TimeSeries.java
| Index Score | ||
|---|---|---|
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org.jfree.data.time |
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JFreeChart |
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| Metric | Description | |
|---|---|---|
| COMMENTS | Comment lines |  |
| DOC_COMMENT | Number of javadoc comment lines | |
| DECL_COMMENTS | Comments in declarations | |
| SIZE | Size of the file in bytes | |
| LINES | Number of lines in the source file | |
| INTERFACE_COMPLEXITY | Interface complexity | |
| BLOCKS | Number of blocks | |
| RETURNS | Number of return points from functions | |
| CYCLOMATIC | Cyclomatic complexity | |
| PARAMS | Number of formal parameter declarations | |
| COMPARISONS | Number of comparison operators | |
| OPERATORS | Number of operators | |
| FUNCTIONS | Number of function declarations | |
| LOC | Lines of code | |
| PROGRAM_LENGTH | Halstead program length | |
| LOGICAL_LINES | Number of statements | |
| ELOC | Effective lines of code | |
| JAVA0265 | JAVA0265 Use of Throwable.printStackTrace() | |
| JAVA0034 | JAVA0034 Missing braces in if statement | |
| OPERANDS | Number of operands | |
| PROGRAM_VOCAB | Halstead program vocabulary | |
| UNIQUE_OPERANDS | Number of unique operands | |
| JAVA0076 | JAVA0076 Use of magic number | |
| EXITS | Procedure exits | |
| LOOPS | Number of loops | |
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| LINE_COMMENT | Number of line comments | |
| UNIQUE_OPERATORS | Number of unique operators | |
| BLOCK_COMMENT | Number of block comment lines | |
| JAVA0117 | JAVA0117 Missing javadoc: method 'method' | |
| PROGRAM_VOLUME | Halstead program volume | |
| JAVA0136 | JAVA0136 N methods defined in class (maximum: M) | |
| JAVA0126 | JAVA0126 Method declares unchecked exception in throws | |
| JAVA0132 | JAVA0132 Method overload with compatible signature | |
| JAVA0110 | JAVA0110 Incorrect javadoc: no @return tag | |
| JAVA0108 | JAVA0108 Incorrect javadoc: no @param tag for 'parameter' | |
| JAVA0145 | JAVA0145 Tab character used in source file | |
/* ===========================================================
* JFreeChart : a free chart library for the Java(tm) platform
* ===========================================================
*
* (C) Copyright 2000-2008, by Object Refinery Limited and Contributors.
*
* Project Info: http://www.jfree.org/jfreechart/index.html
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This library is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
* USA.
*
* [Java is a trademark or registered trademark of Sun Microsystems, Inc.
* in the United States and other countries.]
*
* ---------------
* TimeSeries.java
* ---------------
* (C) Copyright 2001-2008, by Object Refinery Limited.
*
* Original Author: David Gilbert (for Object Refinery Limited);
* Contributor(s): Bryan Scott;
* Nick Guenther;
*
* Changes
* -------
* 11-Oct-2001 : Version 1 (DG);
* 14-Nov-2001 : Added listener mechanism (DG);
* 15-Nov-2001 : Updated argument checking and exceptions in add() method (DG);
* 29-Nov-2001 : Added properties to describe the domain and range (DG);
* 07-Dec-2001 : Renamed TimeSeries --> BasicTimeSeries (DG);
* 01-Mar-2002 : Updated import statements (DG);
* 28-Mar-2002 : Added a method add(TimePeriod, double) (DG);
* 27-Aug-2002 : Changed return type of delete method to void (DG);
* 04-Oct-2002 : Added itemCount and historyCount attributes, fixed errors
* reported by Checkstyle (DG);
* 29-Oct-2002 : Added series change notification to addOrUpdate() method (DG);
* 28-Jan-2003 : Changed name back to TimeSeries (DG);
* 13-Mar-2003 : Moved to com.jrefinery.data.time package and implemented
* Serializable (DG);
* 01-May-2003 : Updated equals() method (see bug report 727575) (DG);
* 14-Aug-2003 : Added ageHistoryCountItems method (copied existing code for
* contents) made a method and added to addOrUpdate. Made a
* public method to enable ageing against a specified time
* (eg now) as opposed to lastest time in series (BS);
* 15-Oct-2003 : Added fix for setItemCount method - see bug report 804425.
* Modified exception message in add() method to be more
* informative (DG);
* 13-Apr-2004 : Added clear() method (DG);
* 21-May-2004 : Added an extra addOrUpdate() method (DG);
* 15-Jun-2004 : Fixed NullPointerException in equals() method (DG);
* 29-Nov-2004 : Fixed bug 1075255 (DG);
* 17-Nov-2005 : Renamed historyCount --> maximumItemAge (DG);
* 28-Nov-2005 : Changed maximumItemAge from int to long (DG);
* 01-Dec-2005 : New add methods accept notify flag (DG);
* ------------- JFREECHART 1.0.x ---------------------------------------------
* 24-May-2006 : Improved error handling in createCopy() methods (DG);
* 01-Sep-2006 : Fixed bugs in removeAgedItems() methods - see bug report
* 1550045 (DG);
* 22-Mar-2007 : Simplified getDataItem(RegularTimePeriod) - see patch 1685500
* by Nick Guenther (DG);
* 21-Jun-2007 : Removed JCommon dependencies (DG);
* 29-Jun-2007 : Changed first parameter in constructors from String to
* Comparable (DG);
* 31-Oct-2007 : Implemented faster hashCode() (DG);
* 21-Nov-2007 : Fixed clone() method (bug 1832432) (DG);
* 10-Jan-2008 : Fixed createCopy(RegularTimePeriod, RegularTimePeriod) (bug
* 1864222) (DG);
*
*/
package org.jfree.data.time;
import java.io.Serializable;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.Collection;
import java.util.Collections;
import java.util.Date;
import java.util.List;
import java.util.TimeZone;
import org.jfree.chart.util.ObjectUtilities;
import org.jfree.data.general.Series;
import org.jfree.data.general.SeriesChangeEvent;
import org.jfree.data.general.SeriesException;
/**
* Represents a sequence of zero or more data items in the form (period, value).
*/
public class TimeSeries extends Series implements Cloneable, Serializable {
/** For serialization. */
private static final long serialVersionUID = -5032960206869675528L;
/** Default value for the domain description. */
protected static final String DEFAULT_DOMAIN_DESCRIPTION = "Time";
/** Default value for the range description. */
protected static final String DEFAULT_RANGE_DESCRIPTION = "Value";
/** A description of the domain. */
private String domain;
/** A description of the range. */
private String range;
/** The type of period for the data. */
protected Class timePeriodClass;
/** The list of data items in the series. */
protected List data;
/** The maximum number of items for the series. */
private int maximumItemCount;
/**
* The maximum age of items for the series, specified as a number of
* time periods.
*/
private long maximumItemAge;
/**
* Creates a new (empty) time series. By default, a daily time series is
* created. Use one of the other constructors if you require a different
* time period.
*
* @param name the series name (<code>null</code> not permitted).
*/
public TimeSeries(Comparable name) {
this(name, DEFAULT_DOMAIN_DESCRIPTION, DEFAULT_RANGE_DESCRIPTION,
Day.class);
}
/**
* Creates a new (empty) time series with the specified name and class
* of {@link RegularTimePeriod}.
*
* @param name the series name (<code>null</code> not permitted).
* @param timePeriodClass the type of time period (<code>null</code> not
* permitted).
*/
public TimeSeries(Comparable name, Class timePeriodClass) {
this(name, DEFAULT_DOMAIN_DESCRIPTION, DEFAULT_RANGE_DESCRIPTION,
timePeriodClass);
}
/**
* Creates a new time series that contains no data.
* <P>
* Descriptions can be specified for the domain and range. One situation
* where this is helpful is when generating a chart for the time series -
* axis labels can be taken from the domain and range description.
*
* @param name the name of the series (<code>null</code> not permitted).
* @param domain the domain description (<code>null</code> permitted).
* @param range the range description (<code>null</code> permitted).
* @param timePeriodClass the type of time period (<code>null</code> not
* permitted).
*/
public TimeSeries(Comparable name, String domain, String range,
Class timePeriodClass) {
super(name);
this.domain = domain;
this.range = range;
this.timePeriodClass = timePeriodClass;
this.data = new java.util.ArrayList();
this.maximumItemCount = Integer.MAX_VALUE;
this.maximumItemAge = Long.MAX_VALUE;
}
/**
* Returns the domain description.
*
* @return The domain description (possibly <code>null</code>).
*
* @see #setDomainDescription(String)
*/
public String getDomainDescription() {
return this.domain;
}
/**
* Sets the domain description and sends a <code>PropertyChangeEvent</code>
* (with the property name <code>Domain</code>) to all registered
* property change listeners.
*
* @param description the description (<code>null</code> permitted).
*
* @see #getDomainDescription()
*/
public void setDomainDescription(String description) {
String old = this.domain;
this.domain = description;
firePropertyChange("Domain", old, description);
}
/**
* Returns the range description.
*
* @return The range description (possibly <code>null</code>).
*
* @see #setRangeDescription(String)
*/
public String getRangeDescription() {
return this.range;
}
/**
* Sets the range description and sends a <code>PropertyChangeEvent</code>
* (with the property name <code>Range</code>) to all registered listeners.
*
* @param description the description (<code>null</code> permitted).
*
* @see #getRangeDescription()
*/
public void setRangeDescription(String description) {
String old = this.range;
this.range = description;
firePropertyChange("Range", old, description);
}
/**
* Returns the number of items in the series.
*
* @return The item count.
*/
public int getItemCount() {
return this.data.size();
}
/**
* Returns the list of data items for the series (the list contains
* {@link TimeSeriesDataItem} objects and is unmodifiable).
*
* @return The list of data items.
*/
public List getItems() {
return Collections.unmodifiableList(this.data);
}
/**
* Returns the maximum number of items that will be retained in the series.
* The default value is <code>Integer.MAX_VALUE</code>.
*
* @return The maximum item count.
*
* @see #setMaximumItemCount(int)
*/
public int getMaximumItemCount() {
return this.maximumItemCount;
}
/**
* Sets the maximum number of items that will be retained in the series.
* If you add a new item to the series such that the number of items will
* exceed the maximum item count, then the FIRST element in the series is
* automatically removed, ensuring that the maximum item count is not
* exceeded.
*
* @param maximum the maximum (requires >= 0).
*
* @see #getMaximumItemCount()
*/
public void setMaximumItemCount(int maximum) {
if (maximum < 0) {
throw new IllegalArgumentException("Negative 'maximum' argument.");
}
this.maximumItemCount = maximum;
int count = this.data.size();
if (count > maximum) {
delete(0, count - maximum - 1);
}
}
/**
* Returns the maximum item age (in time periods) for the series.
*
* @return The maximum item age.
*
* @see #setMaximumItemAge(long)
*/
public long getMaximumItemAge() {
return this.maximumItemAge;
}
/**
* Sets the number of time units in the 'history' for the series. This
* provides one mechanism for automatically dropping old data from the
* time series. For example, if a series contains daily data, you might set
* the history count to 30. Then, when you add a new data item, all data
* items more than 30 days older than the latest value are automatically
* dropped from the series.
*
* @param periods the number of time periods.
*
* @see #getMaximumItemAge()
*/
public void setMaximumItemAge(long periods) {
if (periods < 0) {
throw new IllegalArgumentException("Negative 'periods' argument.");
}
this.maximumItemAge = periods;
removeAgedItems(true); // remove old items and notify if necessary
}
/**
* Returns the time period class for this series.
* <p>
* Only one time period class can be used within a single series (enforced).
* If you add a data item with a {@link Year} for the time period, then all
* subsequent data items must also have a {@link Year} for the time period.
*
* @return The time period class (never <code>null</code>).
*/
public Class getTimePeriodClass() {
return this.timePeriodClass;
}
/**
* Returns a data item for the series.
*
* @param index the item index (zero-based).
*
* @return The data item.
*
* @see #getDataItem(RegularTimePeriod)
*/
public TimeSeriesDataItem getDataItem(int index) {
return (TimeSeriesDataItem) this.data.get(index);
}
/**
* Returns the data item for a specific period.
*
* @param period the period of interest (<code>null</code> not allowed).
*
* @return The data item matching the specified period (or
* <code>null</code> if there is no match).
*
* @see #getDataItem(int)
*/
public TimeSeriesDataItem getDataItem(RegularTimePeriod period) {
int index = getIndex(period);
if (index >= 0) {
return (TimeSeriesDataItem) this.data.get(index);
}
else {
return null;
}
}
/**
* Returns the time period at the specified index.
*
* @param index the index of the data item.
*
* @return The time period.
*/
public RegularTimePeriod getTimePeriod(int index) {
return getDataItem(index).getPeriod();
}
/**
* Returns a time period that would be the next in sequence on the end of
* the time series.
*
* @return The next time period.
*/
public RegularTimePeriod getNextTimePeriod() {
RegularTimePeriod last = getTimePeriod(getItemCount() - 1);
return last.next();
}
/**
* Returns a collection of all the time periods in the time series.
*
* @return A collection of all the time periods.
*/
public Collection getTimePeriods() {
Collection result = new java.util.ArrayList();
for (int i = 0; i < getItemCount(); i++) {
result.add(getTimePeriod(i));
}
return result;
}
/**
* Returns a collection of time periods in the specified series, but not in
* this series, and therefore unique to the specified series.
*
* @param series the series to check against this one.
*
* @return The unique time periods.
*/
public Collection getTimePeriodsUniqueToOtherSeries(TimeSeries series) {
Collection result = new java.util.ArrayList();
for (int i = 0; i < series.getItemCount(); i++) {
RegularTimePeriod period = series.getTimePeriod(i);
int index = getIndex(period);
if (index < 0) {
result.add(period);
}
}
return result;
}
/**
* Returns the index for the item (if any) that corresponds to a time
* period.
*
* @param period the time period (<code>null</code> not permitted).
*
* @return The index.
*/
public int getIndex(RegularTimePeriod period) {
if (period == null) {
throw new IllegalArgumentException("Null 'period' argument.");
}
TimeSeriesDataItem dummy = new TimeSeriesDataItem(
period, Integer.MIN_VALUE);
return Collections.binarySearch(this.data, dummy);
}
/**
* Returns the value at the specified index.
*
* @param index index of a value.
*
* @return The value (possibly <code>null</code>).
*/
public Number getValue(int index) {
return getDataItem(index).getValue();
}
/**
* Returns the value for a time period. If there is no data item with the
* specified period, this method will return <code>null</code>.
*
* @param period time period (<code>null</code> not permitted).
*
* @return The value (possibly <code>null</code>).
*/
public Number getValue(RegularTimePeriod period) {
int index = getIndex(period);
if (index >= 0) {
return getValue(index);
}
else {
return null;
}
}
/**
* Adds a data item to the series and sends a
* {@link org.jfree.data.general.SeriesChangeEvent} to all registered
* listeners.
*
* @param item the (timeperiod, value) pair (<code>null</code> not
* permitted).
*/
public void add(TimeSeriesDataItem item) {
add(item, true);
}
/**
* Adds a data item to the series and sends a
* {@link org.jfree.data.general.SeriesChangeEvent} to all registered
* listeners.
*
* @param item the (timeperiod, value) pair (<code>null</code> not
* permitted).
* @param notify notify listeners?
*/
public void add(TimeSeriesDataItem item, boolean notify) {
if (item == null) {
throw new IllegalArgumentException("Null 'item' argument.");
}
if (!item.getPeriod().getClass().equals(this.timePeriodClass)) {
StringBuffer b = new StringBuffer();
b.append("You are trying to add data where the time period class ");
b.append("is ");
b.append(item.getPeriod().getClass().getName());
b.append(", but the TimeSeries is expecting an instance of ");
b.append(this.timePeriodClass.getName());
b.append(".");
throw new SeriesException(b.toString());
}
// make the change (if it's not a duplicate time period)...
boolean added = false;
int count = getItemCount();
if (count == 0) {
this.data.add(item);
added = true;
}
else {
RegularTimePeriod last = getTimePeriod(getItemCount() - 1);
if (item.getPeriod().compareTo(last) > 0) {
this.data.add(item);
added = true;
}
else {
int index = Collections.binarySearch(this.data, item);
if (index < 0) {
this.data.add(-index - 1, item);
added = true;
}
else {
StringBuffer b = new StringBuffer();
b.append("You are attempting to add an observation for ");
b.append("the time period ");
b.append(item.getPeriod().toString());
b.append(" but the series already contains an observation");
b.append(" for that time period. Duplicates are not ");
b.append("permitted. Try using the addOrUpdate() method.");
throw new SeriesException(b.toString());
}
}
}
if (added) {
// check if this addition will exceed the maximum item count...
if (getItemCount() > this.maximumItemCount) {
this.data.remove(0);
}
removeAgedItems(false); // remove old items if necessary, but
// don't notify anyone, because that
// happens next anyway...
if (notify) {
fireSeriesChanged();
}
}
}
/**
* Adds a new data item to the series and sends a {@link SeriesChangeEvent}
* to all registered listeners.
*
* @param period the time period (<code>null</code> not permitted).
* @param value the value.
*/
public void add(RegularTimePeriod period, double value) {
// defer argument checking...
add(period, value, true);
}
/**
* Adds a new data item to the series and sends a {@link SeriesChangeEvent}
* to all registered listeners.
*
* @param period the time period (<code>null</code> not permitted).
* @param value the value.
* @param notify notify listeners?
*/
public void add(RegularTimePeriod period, double value, boolean notify) {
// defer argument checking...
TimeSeriesDataItem item = new TimeSeriesDataItem(period, value);
add(item, notify);
}
/**
* Adds a new data item to the series and sends
* a {@link org.jfree.data.general.SeriesChangeEvent} to all registered
* listeners.
*
* @param period the time period (<code>null</code> not permitted).
* @param value the value (<code>null</code> permitted).
*/
public void add(RegularTimePeriod period, Number value) {
// defer argument checking...
add(period, value, true);
}
/**
* Adds a new data item to the series and sends
* a {@link org.jfree.data.general.SeriesChangeEvent} to all registered
* listeners.
*
* @param period the time period (<code>null</code> not permitted).
* @param value the value (<code>null</code> permitted).
* @param notify notify listeners?
*/
public void add(RegularTimePeriod period, Number value, boolean notify) {
// defer argument checking...
TimeSeriesDataItem item = new TimeSeriesDataItem(period, value);
add(item, notify);
}
/**
* Updates (changes) the value for a time period. Throws a
* {@link SeriesException} if the period does not exist.
*
* @param period the period (<code>null</code> not permitted).
* @param value the value (<code>null</code> permitted).
*/
public void update(RegularTimePeriod period, Number value) {
TimeSeriesDataItem temp = new TimeSeriesDataItem(period, value);
int index = Collections.binarySearch(this.data, temp);
if (index >= 0) {
TimeSeriesDataItem pair = (TimeSeriesDataItem) this.data.get(index);
pair.setValue(value);
fireSeriesChanged();
}
else {
throw new SeriesException(
"TimeSeries.update(TimePeriod, Number): period does not exist."
);
}
}
/**
* Updates (changes) the value of a data item.
*
* @param index the index of the data item.
* @param value the new value (<code>null</code> permitted).
*/
public void update(int index, Number value) {
TimeSeriesDataItem item = getDataItem(index);
item.setValue(value);
fireSeriesChanged();
}
/**
* Adds or updates data from one series to another. Returns another series
* containing the values that were overwritten.
*
* @param series the series to merge with this.
*
* @return A series containing the values that were overwritten.
*/
public TimeSeries addAndOrUpdate(TimeSeries series) {
TimeSeries overwritten = new TimeSeries("Overwritten values from: "
+ getKey(), series.getTimePeriodClass());
for (int i = 0; i < series.getItemCount(); i++) {
TimeSeriesDataItem item = series.getDataItem(i);
TimeSeriesDataItem oldItem = addOrUpdate(item.getPeriod(),
item.getValue());
if (oldItem != null) {
overwritten.add(oldItem);
}
}
return overwritten;
}
/**
* Adds or updates an item in the times series and sends a
* {@link org.jfree.data.general.SeriesChangeEvent} to all registered
* listeners.
*
* @param period the time period to add/update (<code>null</code> not
* permitted).
* @param value the new value.
*
* @return A copy of the overwritten data item, or <code>null</code> if no
* item was overwritten.
*/
public TimeSeriesDataItem addOrUpdate(RegularTimePeriod period,
double value) {
return addOrUpdate(period, new Double(value));
}
/**
* Adds or updates an item in the times series and sends a
* {@link org.jfree.data.general.SeriesChangeEvent} to all registered
* listeners.
*
* @param period the time period to add/update (<code>null</code> not
* permitted).
* @param value the new value (<code>null</code> permitted).
*
* @return A copy of the overwritten data item, or <code>null</code> if no
* item was overwritten.
*/
public TimeSeriesDataItem addOrUpdate(RegularTimePeriod period,
Number value) {
if (period == null) {
throw new IllegalArgumentException("Null 'period' argument.");
}
TimeSeriesDataItem overwritten = null;
TimeSeriesDataItem key = new TimeSeriesDataItem(period, value);
int index = Collections.binarySearch(this.data, key);
if (index >= 0) {
TimeSeriesDataItem existing
= (TimeSeriesDataItem) this.data.get(index);
overwritten = (TimeSeriesDataItem) existing.clone();
existing.setValue(value);
removeAgedItems(false); // remove old items if necessary, but
// don't notify anyone, because that
// happens next anyway...
fireSeriesChanged();
}
else {
this.data.add(-index - 1, new TimeSeriesDataItem(period, value));
// check if this addition will exceed the maximum item count...
if (getItemCount() > this.maximumItemCount) {
this.data.remove(0);
}
removeAgedItems(false); // remove old items if necessary, but
// don't notify anyone, because that
// happens next anyway...
fireSeriesChanged();
}
return overwritten;
}
/**
* Age items in the series. Ensure that the timespan from the youngest to
* the oldest record in the series does not exceed maximumItemAge time
* periods. Oldest items will be removed if required.
*
* @param notify controls whether or not a {@link SeriesChangeEvent} is
* sent to registered listeners IF any items are removed.
*/
public void removeAgedItems(boolean notify) {
// check if there are any values earlier than specified by the history
// count...
if (getItemCount() > 1) {
long latest = getTimePeriod(getItemCount() - 1).getSerialIndex();
boolean removed = false;
while ((latest - getTimePeriod(0).getSerialIndex())
> this.maximumItemAge) {
this.data.remove(0);
removed = true;
}
if (removed && notify) {
fireSeriesChanged();
}
}
}
/**
* Age items in the series. Ensure that the timespan from the supplied
* time to the oldest record in the series does not exceed history count.
* oldest items will be removed if required.
*
* @param latest the time to be compared against when aging data
* (specified in milliseconds).
* @param notify controls whether or not a {@link SeriesChangeEvent} is
* sent to registered listeners IF any items are removed.
*/
public void removeAgedItems(long latest, boolean notify) {
// find the serial index of the period specified by 'latest'
long index = Long.MAX_VALUE;
try {
Method m = RegularTimePeriod.class.getDeclaredMethod(
"createInstance", new Class[] {Class.class, Date.class,
TimeZone.class});
RegularTimePeriod newest = (RegularTimePeriod) m.invoke(
this.timePeriodClass, new Object[] {this.timePeriodClass,
new Date(latest), TimeZone.getDefault()});
index = newest.getSerialIndex();
}
catch (NoSuchMethodException e) {
e.printStackTrace();
}
catch (IllegalAccessException e) {
e.printStackTrace();
}
catch (InvocationTargetException e) {
e.printStackTrace();
}
// check if there are any values earlier than specified by the history
// count...
boolean removed = false;
while (getItemCount() > 0 && (index
- getTimePeriod(0).getSerialIndex()) > this.maximumItemAge) {
this.data.remove(0);
removed = true;
}
if (removed && notify) {
fireSeriesChanged();
}
}
/**
* Removes all data items from the series and sends a
* {@link SeriesChangeEvent} to all registered listeners.
*/
public void clear() {
if (this.data.size() > 0) {
this.data.clear();
fireSeriesChanged();
}
}
/**
* Deletes the data item for the given time period and sends a
* {@link SeriesChangeEvent} to all registered listeners. If there is no
* item with the specified time period, this method does nothing.
*
* @param period the period of the item to delete (<code>null</code> not
* permitted).
*/
public void delete(RegularTimePeriod period) {
int index = getIndex(period);
if (index >= 0) {
this.data.remove(index);
fireSeriesChanged();
}
}
/**
* Deletes data from start until end index (end inclusive).
*
* @param start the index of the first period to delete.
* @param end the index of the last period to delete.
*/
public void delete(int start, int end) {
if (end < start) {
throw new IllegalArgumentException("Requires start <= end.");
}
for (int i = 0; i <= (end - start); i++) {
this.data.remove(start);
}
fireSeriesChanged();
}
/**
* Returns a clone of the time series.
* <P>
* Notes:
* <ul>
* <li>no need to clone the domain and range descriptions, since String
* object is immutable;</li>
* <li>we pass over to the more general method clone(start, end).</li>
* </ul>
*
* @return A clone of the time series.
*
* @throws CloneNotSupportedException not thrown by this class, but
* subclasses may differ.
*/
public Object clone() throws CloneNotSupportedException {
TimeSeries clone = (TimeSeries) super.clone();
clone.data = (List) ObjectUtilities.deepClone(this.data);
return clone;
}
/**
* Creates a new timeseries by copying a subset of the data in this time
* series.
*
* @param start the index of the first time period to copy.
* @param end the index of the last time period to copy.
*
* @return A series containing a copy of this times series from start until
* end.
*
* @throws CloneNotSupportedException if there is a cloning problem.
*/
public TimeSeries createCopy(int start, int end)
throws CloneNotSupportedException {
if (start < 0) {
throw new IllegalArgumentException("Requires start >= 0.");
}
if (end < start) {
throw new IllegalArgumentException("Requires start <= end.");
}
TimeSeries copy = (TimeSeries) super.clone();
copy.data = new java.util.ArrayList();
if (this.data.size() > 0) {
for (int index = start; index <= end; index++) {
TimeSeriesDataItem item
= (TimeSeriesDataItem) this.data.get(index);
TimeSeriesDataItem clone = (TimeSeriesDataItem) item.clone();
try {
copy.add(clone);
}
catch (SeriesException e) {
e.printStackTrace();
}
}
}
return copy;
}
/**
* Creates a new timeseries by copying a subset of the data in this time
* series.
*
* @param start the first time period to copy (<code>null</code> not
* permitted).
* @param end the last time period to copy (<code>null</code> not
* permitted).
*
* @return A time series containing a copy of this time series from start
* until end.
*
* @throws CloneNotSupportedException if there is a cloning problem.
*/
public TimeSeries createCopy(RegularTimePeriod start, RegularTimePeriod end)
throws CloneNotSupportedException {
if (start == null) {
throw new IllegalArgumentException("Null 'start' argument.");
}
if (end == null) {
throw new IllegalArgumentException("Null 'end' argument.");
}
if (start.compareTo(end) > 0) {
throw new IllegalArgumentException(
"Requires start on or before end.");
}
boolean emptyRange = false;
int startIndex = getIndex(start);
if (startIndex < 0) {
startIndex = -(startIndex + 1);
if (startIndex == this.data.size()) {
emptyRange = true; // start is after last data item
}
}
int endIndex = getIndex(end);
if (endIndex < 0) { // end period is not in original series
endIndex = -(endIndex + 1); // this is first item AFTER end period
endIndex = endIndex - 1; // so this is last item BEFORE end
}
if ((endIndex < 0) || (endIndex < startIndex)) {
emptyRange = true;
}
if (emptyRange) {
TimeSeries copy = (TimeSeries) super.clone();
copy.data = new java.util.ArrayList();
return copy;
}
else {
return createCopy(startIndex, endIndex);
}
}
/**
* Tests the series for equality with an arbitrary object.
*
* @param object the object to test against (<code>null</code> permitted).
*
* @return A boolean.
*/
public boolean equals(Object object) {
if (object == this) {
return true;
}
if (!(object instanceof TimeSeries) || !super.equals(object)) {
return false;
}
TimeSeries s = (TimeSeries) object;
if (!ObjectUtilities.equal(getDomainDescription(),
s.getDomainDescription())) {
return false;
}
if (!ObjectUtilities.equal(getRangeDescription(),
s.getRangeDescription())) {
return false;
}
if (!getClass().equals(s.getClass())) {
return false;
}
if (getMaximumItemAge() != s.getMaximumItemAge()) {
return false;
}
if (getMaximumItemCount() != s.getMaximumItemCount()) {
return false;
}
int count = getItemCount();
if (count != s.getItemCount()) {
return false;
}
for (int i = 0; i < count; i++) {
if (!getDataItem(i).equals(s.getDataItem(i))) {
return false;
}
}
return true;
}
/**
* Returns a hash code value for the object.
*
* @return The hashcode
*/
public int hashCode() {
int result = super.hashCode();
result = 29 * result + (this.domain != null ? this.domain.hashCode()
: 0);
result = 29 * result + (this.range != null ? this.range.hashCode() : 0);
result = 29 * result + (this.timePeriodClass != null
? this.timePeriodClass.hashCode() : 0);
// it is too slow to look at every data item, so let's just look at
// the first, middle and last items...
int count = getItemCount();
if (count > 0) {
TimeSeriesDataItem item = getDataItem(0);
result = 29 * result + item.hashCode();
}
if (count > 1) {
TimeSeriesDataItem item = getDataItem(count - 1);
result = 29 * result + item.hashCode();
}
if (count > 2) {
TimeSeriesDataItem item = getDataItem(count / 2);
result = 29 * result + item.hashCode();
}
result = 29 * result + this.maximumItemCount;
result = 29 * result + (int) this.maximumItemAge;
return result;
}
}
The table below shows all metrics for TimeSeries.java.
| Metric | Value | Description | |
|---|---|---|---|
| BLOCKS | 115.00 | Number of blocks | |
| BLOCK_COMMENT | 81.00 | Number of block comment lines | |
| COMMENTS | 484.00 | Comment lines | |
| COMMENT_DENSITY | 1.36 | Comment density | |
| COMPARISONS | 68.00 | Number of comparison operators | |
| CYCLOMATIC | 113.00 | Cyclomatic complexity | |
| DECL_COMMENTS | 55.00 | Comments in declarations | |
| DOC_COMMENT | 383.00 | Number of javadoc comment lines | |
| ELOC | 357.00 | Effective lines of code | |
| EXEC_COMMENTS | 14.00 | Comments in executable code | |
| EXITS | 57.00 | Procedure exits | |
| FUNCTIONS | 44.00 | Number of function declarations | |
| HALSTEAD_DIFFICULTY | 94.97 | Halstead difficulty | |
| HALSTEAD_EFFORT | 0.00 | Halstead effort | |
| INTERFACE_COMPLEXITY | 125.00 | Interface complexity | |
| JAVA0001 | 0.00 | JAVA0001 Package name does not contain only lower case letters | |
| JAVA0002 | 0.00 | JAVA0002 Package name does not begin with a top level domain name or country code | |
| JAVA0003 | 0.00 | JAVA0003 Minimize use of on-demand (.*) imports | |
| JAVA0004 | 0.00 | JAVA0004 Unnecessary import from java.lang | |
| JAVA0005 | 0.00 | JAVA0005 Imports not in specified order | |
| JAVA0006 | 0.00 | JAVA0006 Empty finally block | |
| JAVA0007 | 0.00 | JAVA0007 Should not declare public field | |
| JAVA0008 | 0.00 | JAVA0008 Empty catch block | |
| JAVA0009 | 0.00 | JAVA0009 Protected member in final class | |
| JAVA0010 | 0.00 | JAVA0010 Non-instantiable class does not contain a non-private static member | |
| JAVA0011 | 0.00 | JAVA0011 Abstract class does not contain an abstract method | |
| JAVA0012 | 0.00 | JAVA0012 Non-constructor method with same name as declaring class | |
| JAVA0013 | 0.00 | JAVA0013 Non-blank final field is not static | |
| JAVA0014 | 0.00 | JAVA0014 Class with only static members has non-private constructor | |
| JAVA0015 | 0.00 | JAVA0015 Package class contains public nested type | |
| JAVA0016 | 0.00 | JAVA0016 Abstract class contains public constructor | |
| JAVA0017 | 0.00 | JAVA0017 Class name does not have required form | |
| JAVA0018 | 0.00 | JAVA0018 Method name does not have required form | |
| JAVA0019 | 0.00 | JAVA0019 Interface name does not have required form | |
| JAVA0020 | 0.00 | JAVA0020 Field name does not have required form | |
| JAVA0021 | 0.00 | JAVA0021 Interface method name does not have required form | |
| JAVA0022 | 0.00 | JAVA0022 Static final field name does not have required form | |
| JAVA0023 | 0.00 | JAVA0023 Empty finalize method | |
| JAVA0024 | 0.00 | JAVA0024 Empty class | |
| JAVA0025 | 0.00 | JAVA0025 Method override is empty | |
| JAVA0026 | 0.00 | JAVA0026 Finalize method with parameters | |
| JAVA0029 | 0.00 | JAVA0029 Private method not used | |
| JAVA0030 | 0.00 | JAVA0030 Private field not used | |
| JAVA0031 | 0.00 | JAVA0031 Case statement not properly closed | |
| JAVA0032 | 0.00 | JAVA0032 Switch statement missing default | |
| JAVA0033 | 0.00 | JAVA0033 default: not last case in switch statement | |
| JAVA0034 | 0.00 | JAVA0034 Missing braces in if statement | |
| JAVA0035 | 0.00 | JAVA0035 Missing braces in for statement | |
| JAVA0036 | 0.00 | JAVA0036 Missing braces in while statement | |
| JAVA0038 | 0.00 | JAVA0038 Non-case label in switch statement | |
| JAVA0039 | 0.00 | JAVA0039 Break statement with label | |
| JAVA0040 | 0.00 | JAVA0040 Switch statement contains N cases (maximum: M) | |
| JAVA0041 | 0.00 | JAVA0041 Nested synchronized block | |
| JAVA0042 | 0.00 | JAVA0042 Empty synchronized statement | |
| JAVA0043 | 0.00 | JAVA0043 Inner class does not use outer class | |
| JAVA0044 | 0.00 | JAVA0044 Serializable class with no instance variables | |
| JAVA0045 | 0.00 | JAVA0045 Serializable class with only transient fields | |
| JAVA0046 | 0.00 | JAVA0046 Name of class not derived from Exception ends with 'Exception' | |
| JAVA0047 | 0.00 | JAVA0047 Serializable class derives from invalid base class | |
| JAVA0048 | 0.00 | JAVA0048 Name of class derived from Exception does not end with 'Exception' | |
| JAVA0049 | 0.00 | JAVA0049 Nested block at depth N (maximum: M) | |
| JAVA0050 | 0.00 | JAVA0050 Class derives from java.lang.Error | |
| JAVA0051 | 0.00 | JAVA0051 Class derives from java.lang.RuntimeException | |
| JAVA0052 | 0.00 | JAVA0052 Class derives from java.lang.Throwable | |
| JAVA0053 | 0.00 | JAVA0053 Unused label | |
| JAVA0054 | 0.00 | JAVA0054 Inheritance depth N exceeds maximum M | |
| JAVA0055 | 0.00 | JAVA0055 Class should be interface | |
| JAVA0056 | 0.00 | JAVA0056 Unnecessary abstract modifier for interface or annotation | |
| JAVA0057 | 0.00 | JAVA0057 Unnecessary default constructor | |
| JAVA0058 | 0.00 | JAVA0058 Constructor calls super() | |
| JAVA0059 | 0.00 | JAVA0059 Method override only calls super() | |
| JAVA0061 | 0.00 | JAVA0061 Inaccessible member in anonymous class | |
| JAVA0062 | 0.00 | JAVA0062 Public class missing public member or protected constructor | |
| JAVA0063 | 0.00 | JAVA0063 Identifier name should not contain '$' | |
| JAVA0064 | 0.00 | JAVA0064 N variations of identifier name (maximum: M) | |
| JAVA0065 | 0.00 | JAVA0065 Unnecessary final modifier for method in final class | |
| JAVA0066 | 0.00 | JAVA0066 Unnecessary modifier for interface nested type | |
| JAVA0067 | 0.00 | JAVA0067 Array descriptor on identifier name | |
| JAVA0068 | 0.00 | JAVA0068 Modifiers not declared in recommended order | |
| JAVA0071 | 0.00 | JAVA0071 Strings compared with == | |
| JAVA0073 | 0.00 | JAVA0073 Integer division in floating-point context | |
| JAVA0074 | 0.00 | JAVA0074 Use of Object.notify() | |
| JAVA0075 | 0.00 | JAVA0075 Method parameter hides field | |
| JAVA0076 | 8.00 | JAVA0076 Use of magic number | |
| JAVA0077 | 0.00 | JAVA0077 Private field not used in declaring class | |
| JAVA0078 | 0.00 | JAVA0078 Floating point values compared with == | |
| JAVA0079 | 0.00 | JAVA0079 Use of instance to reference static member | |
| JAVA0080 | 0.00 | JAVA0080 Import declaration not used | |
| JAVA0081 | 0.00 | JAVA0081 Boolean literal in comparison | |
| JAVA0082 | 0.00 | JAVA0082 Unnecessary widening cast | |
| JAVA0083 | 0.00 | JAVA0083 Unnecessary instanceof test | |
| JAVA0084 | 1.00 | JAVA0084 Should use compound assignment operator | |
| JAVA0085 | 0.00 | JAVA0085 Use of sun.* class | |
| JAVA0087 | 0.00 | JAVA0087 Use of Thread.sleep() | |
| JAVA0089 | 0.00 | JAVA0089 Use of restricted package | |
| JAVA0092 | 0.00 | JAVA0092 Use of restricted type | |
| JAVA0093 | 0.00 | JAVA0093 Redundant assignment | |
| JAVA0094 | 0.00 | JAVA0094 Field hides a superclass field | |
| JAVA0095 | 0.00 | JAVA0095 Uninitialized private field | |
| JAVA0096 | 0.00 | JAVA0096 Field in nested class hides outer field | |
| JAVA0098 | 1.00 | JAVA0098 Minimize use of implicit field initializers | |
| JAVA0100 | 0.00 | JAVA0100 Class contains N non-final fields (maximum: M) | |
| JAVA0101 | 0.00 | JAVA0101 Unnecessary modifier for field in interface | |
| JAVA0102 | 0.00 | JAVA0102 Last statement in finalize() not super.finalize() | |
| JAVA0103 | 0.00 | JAVA0103 Explicit call to finalize() | |
| JAVA0104 | 0.00 | JAVA0104 finalize() only calls super.finalize() | |
| JAVA0105 | 0.00 | JAVA0105 Duplicate import declaration | |
| JAVA0106 | 0.00 | JAVA0106 Unnecessary import from current package | |
| JAVA0108 | 0.00 | JAVA0108 Incorrect javadoc: no @param tag for 'parameter' | |
| JAVA0109 | 0.00 | JAVA0109 Incorrect javadoc: no parameter 'parameter' | |
| JAVA0110 | 0.00 | JAVA0110 Incorrect javadoc: no @return tag | |
| JAVA0111 | 0.00 | JAVA0111 Incorrect javadoc: @return tag for void method | |
| JAVA0112 | 0.00 | JAVA0112 Incorrect javadoc: no exception 'exception' in throws | |
| JAVA0113 | 1.00 | JAVA0113 Incorrect javadoc: no @author tag | |
| JAVA0114 | 1.00 | JAVA0114 Incorrect javadoc: no @version tag | |
| JAVA0115 | 0.00 | JAVA0115 Incorrect javadoc: no @throws or @exception tag for 'exception' | |
| JAVA0116 | 0.00 | JAVA0116 Missing javadoc: field 'field' | |
| JAVA0117 | 0.00 | JAVA0117 Missing javadoc: method 'method' | |
| JAVA0118 | 0.00 | JAVA0118 Missing javadoc: type 'type' | |
| JAVA0119 | 0.00 | JAVA0119 Control variable changed within body of for loop | |
| JAVA0123 | 0.00 | JAVA0123 Use all three components of for loop | |
| JAVA0125 | 0.00 | JAVA0125 Continue statement with label | |
| JAVA0126 | 0.00 | JAVA0126 Method declares unchecked exception in throws | |
| JAVA0128 | 0.00 | JAVA0128 Public constructor in non-public class | |
| JAVA0130 | 0.00 | JAVA0130 Non-static method does not use instance fields | |
| JAVA0131 | 0.00 | JAVA0131 Compatible method does not override base | |
| JAVA0132 | 2.00 | JAVA0132 Method overload with compatible signature | |
| JAVA0133 | 0.00 | JAVA0133 Non-synchronized method overrides synchronized method | |
| JAVA0135 | 0.00 | JAVA0135 Only one of Object.equals and Object.hashCode defined: missing 'method' | |
| JAVA0136 | 1.00 | JAVA0136 N methods defined in class (maximum: M) | |
| JAVA0137 | 0.00 | JAVA0137 Non-abstract class missing constructor | |
| JAVA0138 | 0.00 | JAVA0138 N parameters defined for method (maximum: M) | |
| JAVA0139 | 0.00 | JAVA0139 Definition of main other than public static void main(java.lang.String[]) | |
| JAVA0141 | 0.00 | JAVA0141 Unnecessary modifier for method in interface | |
| JAVA0143 | 0.00 | JAVA0143 Synchronized method | |
| JAVA0144 | 0.00 | JAVA0144 Line exceeds maximum M characters | |
| JAVA0145 | 0.00 | JAVA0145 Tab character used in source file | |
| JAVA0150 | 0.00 | JAVA0150 java.lang.Error (or subclass) thrown | |
| JAVA0153 | 0.00 | JAVA0153 Inefficient conversion of integer to string | |
| JAVA0159 | 0.00 | JAVA0159 Inefficient conversion of string to integer | |
| JAVA0160 | 0.00 | JAVA0160 Method does not throw specified exception | |
| JAVA0161 | 0.00 | JAVA0161 Conditional wait() not in loop | |
| JAVA0163 | 0.00 | JAVA0163 Empty statement | |
| JAVA0165 | 0.00 | JAVA0165 Conflicting return statement in finally block | |
| JAVA0166 | 0.00 | JAVA0166 Generic exception caught | |
| JAVA0167 | 0.00 | JAVA0167 ThreadDeath not rethrown | |
| JAVA0169 | 0.00 | JAVA0169 Unnecessary catch block: exception 'exception' | |
| JAVA0170 | 0.00 | JAVA0170 Caught exception not derived from java.lang.Exception | |
| JAVA0171 | 0.00 | JAVA0171 Unused local variable | |
| JAVA0173 | 0.00 | JAVA0173 Unused method parameter | |
| JAVA0174 | 0.00 | JAVA0174 Assigned local variable never used | |
| JAVA0175 | 0.00 | JAVA0175 Successive assignment to variable | |
| JAVA0176 | 0.00 | JAVA0176 Local variable name does not have required form | |
| JAVA0177 | 0.00 | JAVA0177 Variable declaration missing initializer | |
| JAVA0179 | 0.00 | JAVA0179 Local variable hides visible field | |
| JAVA0233 | 0.00 | JAVA0233 Definition of serialVersionUID other than 'private static final long serialVersionUID' | |
| JAVA0234 | 0.00 | JAVA0234 Class is Serializable but does not define serialVersionUID | |
| JAVA0235 | 0.00 | JAVA0235 Class defines serialVersionUID but does not implement Serializable | |
| JAVA0236 | 0.00 | JAVA0236 Attempt to clone an object which does not implement Cloneable | |
| JAVA0237 | 0.00 | JAVA0237 Class implements Cloneable but does not have public clone method | |
| JAVA0238 | 0.00 | JAVA0238 Clone method does not call super.clone() | |
| JAVA0239 | 0.00 | JAVA0239 Class declares 'readObject' or 'writeObject' but does not implement Serializable | |
| JAVA0240 | 0.00 | JAVA0240 Serializable class which declares readObject or writeObject but not both | |
| JAVA0241 | 0.00 | JAVA0241 'readObject' or 'writeObject' should be declared private in Serializable class | |
| JAVA0242 | 0.00 | JAVA0242 Transient field in non-Serializable class | |
| JAVA0243 | 0.00 | JAVA0243 'readResolve' or 'writeReplace' should be declared private or protected | |
| JAVA0244 | 0.00 | JAVA0244 Field or method name in subclass differs only by case from inherited field or method | |
| JAVA0245 | 0.00 | JAVA0245 JUnit TestCase with non-trivial constructor | |
| JAVA0246 | 0.00 | JAVA0246 JUnit assertXXX statement missing message parameter | |
| JAVA0247 | 0.00 | JAVA0247 JUnit 'setUp()' and 'tearDown()' should call super method | |
| JAVA0248 | 0.00 | JAVA0248 JUnit method 'setUp' or 'tearDown' with incorrect signature | |
| JAVA0249 | 0.00 | JAVA0249 JUnit TestCase 'suite()' should be declared static | |
| JAVA0250 | 0.00 | JAVA0250 JUnit TestCase declares testXXX method with incorrect signature | |
| JAVA0251 | 0.00 | JAVA0251 Use '%n' for line breaks in printf/format for platform independence | |
| JAVA0252 | 0.00 | JAVA0252 'enum' is a Java 1.5 reserved word | |
| JAVA0253 | 0.00 | JAVA0253 Not all enum constants consumed in switch statement | |
| JAVA0254 | 0.00 | JAVA0254 Use enhanced for loop construct instead of Iterator | |
| JAVA0255 | 0.00 | JAVA0255 Result of method invocation not used | |
| JAVA0256 | 0.00 | JAVA0256 Assignment of external collection/array to field | |
| JAVA0257 | 0.00 | JAVA0257 Use of 'Constant Interface' anti-pattern | |
| JAVA0258 | 0.00 | JAVA0258 Implement Iterable for foreach compatibility | |
| JAVA0259 | 0.00 | JAVA0259 Return of collection/array field | |
| JAVA0260 | 0.00 | JAVA0260 Use 'enum' instead of Enumerated Type pattern | |
| JAVA0261 | 0.00 | JAVA0261 Use specialized Enum collection types | |
| JAVA0262 | 0.00 | JAVA0262 Use of char in integer context | |
| JAVA0263 | 0.00 | JAVA0263 Long literal ends with 'l' instead of 'L' | |
| JAVA0264 | 0.00 | JAVA0264 Integer math in long context - check for overflow | |
| JAVA0265 | 4.00 | JAVA0265 Use of Throwable.printStackTrace() | |
| JAVA0266 | 0.00 | JAVA0266 Use of System.out | |
| JAVA0267 | 0.00 | JAVA0267 Use of System.err | |
| JAVA0269 | 0.00 | JAVA0269 Contents of StringBuffer never used | |
| JAVA0270 | 0.00 | JAVA0270 Use Java 5.0 enhanced for loop construct to iterate over all elements in an array | |
| JAVA0271 | 0.00 | JAVA0271 Minimize use of on-demand (.*) static imports | |
| JAVA0272 | 0.00 | JAVA0272 Thread.run() called | |
| JAVA0273 | 0.00 | JAVA0273 Non-final derivative of Thread calls start() in constructor | |
| JAVA0274 | 0.00 | JAVA0274 Serializable class has a synchronized readObject() | |
| JAVA0275 | 0.00 | JAVA0275 Serializable class has a synchronized writeObject() and no other synchronized methods | |
| JAVA0276 | 0.00 | JAVA0276 Unnecessary use of String constructor | |
| JAVA0277 | 0.00 | JAVA0277 Iterator.next() implementation does not throw NoSuchElementException | |
| JAVA0278 | 0.00 | JAVA0278 Unnecessary use of Boolean constructor | |
| JAVA0279 | 0.00 | JAVA0279 Serialization method readObject or readObjectNoData calls an overridable method | |
| JAVA0280 | 0.00 | JAVA0280 IllegalMonitorStateException caught | |
| JAVA0281 | 0.00 | JAVA0281 Iterator.next() not called in loop | |
| JAVA0282 | 0.00 | JAVA0282 Call to Iterator.next() in loop which does not test Iterator.hasNext() | |
| JAVA0283 | 0.00 | JAVA0283 Control variable not updated in loop body | |
| JAVA0284 | 0.00 | JAVA0284 Explicit garbage collection | |
| JAVA0285 | 0.00 | JAVA0285 Dereference of potentially null variable | |
| JAVA0286 | 0.00 | JAVA0286 Dereference of null variable | |
| JAVA0287 | 0.00 | JAVA0287 Unnecessary null check | |
| JAVA0288 | 0.00 | JAVA0288 Inconsistent null check | |
| LINES | 1039.00 | Number of lines in the source file | |
| LINE_COMMENT | 20.00 | Number of line comments | |
| LOC | 473.00 | Lines of code | |
| LOGICAL_LINES | 228.00 | Number of statements | |
| LOOPS | 8.00 | Number of loops | |
| NEST_DEPTH | 4.00 | Maximum nesting depth | |
| OPERANDS | 953.00 | Number of operands | |
| OPERATORS | 2039.00 | Number of operators | |
| PARAMS | 51.00 | Number of formal parameter declarations | |
| PROGRAM_LENGTH | 2992.00 | Halstead program length | |
| PROGRAM_VOCAB | 343.00 | Halstead program vocabulary | |
| PROGRAM_VOLUME | 0.00 | Halstead program volume | |
| RETURNS | 74.00 | Number of return points from functions | |
| SIZE | 37383.00 | Size of the file in bytes | |
| UNIQUE_OPERANDS | 286.00 | Number of unique operands | |
| UNIQUE_OPERATORS | 57.00 | Number of unique operators | |
| WHITESPACE | 82.00 | Number of whitespace lines | |