DormandPrince853StepInterpolator.java
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org.apache.commons.math.ode |
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Commons Math |
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These are the metrics that contribute to the Enerjy Score for this file, ranked by impact. So the metrics listed at the top influence the score to a greater extent that the metrics listed at the bottom.
| Metric | Description | |
|---|---|---|
| DECL_COMMENTS | Comments in declarations |  |
| JAVA0076 | JAVA0076 Use of magic number | |
| LOOPS | Number of loops | |
| JAVA0034 | JAVA0034 Missing braces in if statement | |
| UNIQUE_OPERANDS | Number of unique operands | |
| PROGRAM_VOCAB | Halstead program vocabulary | |
| SIZE | Size of the file in bytes | |
| JAVA0128 | JAVA0128 Public constructor in non-public class | |
| OPERATORS | Number of operators | |
| PROGRAM_LENGTH | Halstead program length | |
| OPERANDS | Number of operands | |
| JAVA0075 | JAVA0075 Method parameter hides field | |
| DOC_COMMENT | Number of javadoc comment lines | |
| JAVA0117 | JAVA0117 Missing javadoc: method 'method' | |
| PROGRAM_VOLUME | Halstead program volume | |
| JAVA0126 | JAVA0126 Method declares unchecked exception in throws | |
| COMMENTS | Comment lines | |
| JAVA0110 | JAVA0110 Incorrect javadoc: no @return tag | |
| UNIQUE_OPERATORS | Number of unique operators | |
| CYCLOMATIC | Cyclomatic complexity | |
| EXITS | Procedure exits | |
| LINES | Number of lines in the source file | |
| WHITESPACE | Number of whitespace lines | |
| JAVA0108 | JAVA0108 Incorrect javadoc: no @param tag for 'parameter' | |
| COMPARISONS | Number of comparison operators | |
| FUNCTIONS | Number of function declarations | |
| LOGICAL_LINES | Number of statements | |
| PARAMS | Number of formal parameter declarations | |
| JAVA0145 | JAVA0145 Tab character used in source file | |
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.commons.math.ode;
import java.io.ObjectOutput;
import java.io.ObjectInput;
import java.io.IOException;
/**
* This class represents an interpolator over the last step during an
* ODE integration for the 8(5,3) Dormand-Prince integrator.
*
* @see DormandPrince853Integrator
*
* @version $Revision: 620312 $ $Date: 2008-02-10 14:28:59 -0500 (Sun, 10 Feb 2008) $
* @since 1.2
*/
class DormandPrince853StepInterpolator
extends RungeKuttaStepInterpolator {
/** Simple constructor.
* This constructor builds an instance that is not usable yet, the
* {@link #reinitialize} method should be called before using the
* instance in order to initialize the internal arrays. This
* constructor is used only in order to delay the initialization in
* some cases. The {@link EmbeddedRungeKuttaIntegrator} uses the
* prototyping design pattern to create the step interpolators by
* cloning an uninitialized model and latter initializing the copy.
*/
public DormandPrince853StepInterpolator() {
super();
yDotKLast = null;
v = null;
vectorsInitialized = false;
}
/** Copy constructor.
* @param interpolator interpolator to copy from. The copy is a deep
* copy: its arrays are separated from the original arrays of the
* instance
*/
public DormandPrince853StepInterpolator(DormandPrince853StepInterpolator interpolator) {
super(interpolator);
if (interpolator.currentState == null) {
yDotKLast = null;
v = null;
vectorsInitialized = false;
} else {
int dimension = interpolator.currentState.length;
yDotKLast = new double[3][];
for (int k = 0; k < yDotKLast.length; ++k) {
yDotKLast[k] = new double[dimension];
System.arraycopy(interpolator.yDotKLast[k], 0, yDotKLast[k], 0,
dimension);
}
v = new double[7][];
for (int k = 0; k < v.length; ++k) {
v[k] = new double[dimension];
System.arraycopy(interpolator.v[k], 0, v[k], 0, dimension);
}
vectorsInitialized = interpolator.vectorsInitialized;
}
}
/** Really copy the finalized instance.
* @return a copy of the finalized instance
*/
protected StepInterpolator doCopy() {
return new DormandPrince853StepInterpolator(this);
}
/** Reinitialize the instance
* Some embedded Runge-Kutta integrators need fewer functions
* evaluations than their counterpart step interpolators. So the
* interpolator should perform the last evaluations they need by
* themselves. The {@link EmbeddedRungeKuttaIntegrator
* EmbeddedRungeKuttaIntegrator} abstract class calls this method in
* order to let the step interpolator perform the evaluations it
* needs. These evaluations will be performed during the call to
* <code>doFinalize</code> if any, i.e. only if the step handler
* either calls the {@link AbstractStepInterpolator#finalizeStep
* finalizeStep} method or the {@link
* AbstractStepInterpolator#getInterpolatedState getInterpolatedState}
* method (for an interpolator which needs a finalization) or if it clones
* the step interpolator.
* @param equations set of differential equations being integrated
* @param y reference to the integrator array holding the state at
* the end of the step
* @param yDotK reference to the integrator array holding all the
* intermediate slopes
* @param forward integration direction indicator
*/
public void reinitialize(FirstOrderDifferentialEquations equations,
double[] y, double[][] yDotK, boolean forward) {
super.reinitialize(equations, y, yDotK, forward);
int dimension = currentState.length;
yDotKLast = new double[3][];
for (int k = 0; k < yDotKLast.length; ++k) {
yDotKLast[k] = new double[dimension];
}
v = new double[7][];
for (int k = 0; k < v.length; ++k) {
v[k] = new double[dimension];
}
vectorsInitialized = false;
}
/** Store the current step time.
* @param t current time
*/
public void storeTime(double t) {
super.storeTime(t);
vectorsInitialized = false;
}
/** Compute the state at the interpolated time.
* This is the main processing method that should be implemented by
* the derived classes to perform the interpolation.
* @param theta normalized interpolation abscissa within the step
* (theta is zero at the previous time step and one at the current time step)
* @param oneMinusThetaH time gap between the interpolated time and
* the current time
* @throws DerivativeException this exception is propagated to the caller if the
* underlying user function triggers one
*/
protected void computeInterpolatedState(double theta,
double oneMinusThetaH)
throws DerivativeException {
if (! vectorsInitialized) {
if (v == null) {
v = new double[7][];
for (int k = 0; k < 7; ++k) {
v[k] = new double[interpolatedState.length];
}
}
// perform the last evaluations if they have not been done yet
finalizeStep();
// compute the interpolation vectors for this time step
for (int i = 0; i < interpolatedState.length; ++i) {
v[0][i] = h * (b_01 * yDotK[0][i] + b_06 * yDotK[5][i] + b_07 * yDotK[6][i] +
b_08 * yDotK[7][i] + b_09 * yDotK[8][i] + b_10 * yDotK[9][i] +
b_11 * yDotK[10][i] + b_12 * yDotK[11][i]);
v[1][i] = h * yDotK[0][i] - v[0][i];
v[2][i] = v[0][i] - v[1][i] - h * yDotK[12][i];
for (int k = 0; k < d.length; ++k) {
v[k+3][i] = h * (d[k][0] * yDotK[0][i] + d[k][1] * yDotK[5][i] + d[k][2] * yDotK[6][i] +
d[k][3] * yDotK[7][i] + d[k][4] * yDotK[8][i] + d[k][5] * yDotK[9][i] +
d[k][6] * yDotK[10][i] + d[k][7] * yDotK[11][i] + d[k][8] * yDotK[12][i] +
d[k][9] * yDotKLast[0][i] +
d[k][10] * yDotKLast[1][i] +
d[k][11] * yDotKLast[2][i]);
}
}
vectorsInitialized = true;
}
double eta = oneMinusThetaH / h;
for (int i = 0; i < interpolatedState.length; ++i) {
interpolatedState[i] =
currentState[i] - eta * (v[0][i] - theta * (v[1][i] +
theta * (v[2][i] + eta * (v[3][i] + theta * (v[4][i] +
eta * (v[5][i] + theta * (v[6][i])))))));
}
}
/**
* Really finalize the step.
* Perform the last 3 functions evaluations (k14, k15, k16)
* @throws DerivativeException this exception is propagated to the caller if the
* underlying user function triggers one
*/
protected void doFinalize()
throws DerivativeException {
if (currentState == null) {
// we are finalizing an uninitialized instance
return;
}
double s;
double[] yTmp = new double[currentState.length];
// k14
for (int j = 0; j < currentState.length; ++j) {
s = k14_01 * yDotK[0][j] + k14_06 * yDotK[5][j] + k14_07 * yDotK[6][j] +
k14_08 * yDotK[7][j] + k14_09 * yDotK[8][j] + k14_10 * yDotK[9][j] +
k14_11 * yDotK[10][j] + k14_12 * yDotK[11][j] + k14_13 * yDotK[12][j];
yTmp[j] = currentState[j] + h * s;
}
equations.computeDerivatives(previousTime + c14 * h, yTmp, yDotKLast[0]);
// k15
for (int j = 0; j < currentState.length; ++j) {
s = k15_01 * yDotK[0][j] + k15_06 * yDotK[5][j] + k15_07 * yDotK[6][j] +
k15_08 * yDotK[7][j] + k15_09 * yDotK[8][j] + k15_10 * yDotK[9][j] +
k15_11 * yDotK[10][j] + k15_12 * yDotK[11][j] + k15_13 * yDotK[12][j] +
k15_14 * yDotKLast[0][j];
yTmp[j] = currentState[j] + h * s;
}
equations.computeDerivatives(previousTime + c15 * h, yTmp, yDotKLast[1]);
// k16
for (int j = 0; j < currentState.length; ++j) {
s = k16_01 * yDotK[0][j] + k16_06 * yDotK[5][j] + k16_07 * yDotK[6][j] +
k16_08 * yDotK[7][j] + k16_09 * yDotK[8][j] + k16_10 * yDotK[9][j] +
k16_11 * yDotK[10][j] + k16_12 * yDotK[11][j] + k16_13 * yDotK[12][j] +
k16_14 * yDotKLast[0][j] + k16_15 * yDotKLast[1][j];
yTmp[j] = currentState[j] + h * s;
}
equations.computeDerivatives(previousTime + c16 * h, yTmp, yDotKLast[2]);
}
/** Save the state of the instance.
* @param out stream where to save the state
* @exception IOException in case of write error
*/
public void writeExternal(ObjectOutput out)
throws IOException {
try {
// save the local attributes
finalizeStep();
} catch (DerivativeException e) {
throw new IOException(e.getMessage());
}
out.writeInt(currentState.length);
for (int i = 0; i < currentState.length; ++i) {
out.writeDouble(yDotKLast[0][i]);
out.writeDouble(yDotKLast[1][i]);
out.writeDouble(yDotKLast[2][i]);
}
// save the state of the base class
super.writeExternal(out);
}
/** Read the state of the instance.
* @param in stream where to read the state from
* @exception IOException in case of read error
*/
public void readExternal(ObjectInput in)
throws IOException {
// read the local attributes
yDotKLast = new double[3][];
int dimension = in.readInt();
yDotKLast[0] = new double[dimension];
yDotKLast[1] = new double[dimension];
yDotKLast[2] = new double[dimension];
for (int i = 0; i < dimension; ++i) {
yDotKLast[0][i] = in.readDouble();
yDotKLast[1][i] = in.readDouble();
yDotKLast[2][i] = in.readDouble();
}
// read the base state
super.readExternal(in);
}
/** Last evaluations. */
private double[][] yDotKLast;
/** Vectors for interpolation. */
private double[][] v;
/** Initialization indicator for the interpolation vectors. */
private boolean vectorsInitialized;
/** Propagation weights, element 1. */
private static final double b_01 = 104257.0 / 1920240.0;
// elements 2 to 5 are zero, so they are neither stored nor used
/** Propagation weights, element 6. */
private static final double b_06 = 3399327.0 / 763840.0;
/** Propagation weights, element 7. */
private static final double b_07 = 66578432.0 / 35198415.0;
/** Propagation weights, element 8. */
private static final double b_08 = -1674902723.0 / 288716400.0;
/** Propagation weights, element 9. */
private static final double b_09 = 54980371265625.0 / 176692375811392.0;
/** Propagation weights, element 10. */
private static final double b_10 = -734375.0 / 4826304.0;
/** Propagation weights, element 11. */
private static final double b_11 = 171414593.0 / 851261400.0;
/** Propagation weights, element 12. */
private static final double b_12 = 137909.0 / 3084480.0;
/** Time step for stage 14 (interpolation only). */
private static final double c14 = 1.0 / 10.0;
/** Internal weights for stage 14, element 1. */
private static final double k14_01 = 13481885573.0 / 240030000000.0 - b_01;
// elements 2 to 5 are zero, so they are neither stored nor used
/** Internal weights for stage 14, element 6. */
private static final double k14_06 = 0.0 - b_06;
/** Internal weights for stage 14, element 7. */
private static final double k14_07 = 139418837528.0 / 549975234375.0 - b_07;
/** Internal weights for stage 14, element 8. */
private static final double k14_08 = -11108320068443.0 / 45111937500000.0 - b_08;
/** Internal weights for stage 14, element 9. */
private static final double k14_09 = -1769651421925959.0 / 14249385146080000.0 - b_09;
/** Internal weights for stage 14, element 10. */
private static final double k14_10 = 57799439.0 / 377055000.0 - b_10;
/** Internal weights for stage 14, element 11. */
private static final double k14_11 = 793322643029.0 / 96734250000000.0 - b_11;
/** Internal weights for stage 14, element 12. */
private static final double k14_12 = 1458939311.0 / 192780000000.0 - b_12;
/** Internal weights for stage 14, element 13. */
private static final double k14_13 = -4149.0 / 500000.0;
/** Time step for stage 15 (interpolation only). */
private static final double c15 = 1.0 / 5.0;
/** Internal weights for stage 15, element 1. */
private static final double k15_01 = 1595561272731.0 / 50120273500000.0 - b_01;
// elements 2 to 5 are zero, so they are neither stored nor used
/** Internal weights for stage 15, element 6. */
private static final double k15_06 = 975183916491.0 / 34457688031250.0 - b_06;
/** Internal weights for stage 15, element 7. */
private static final double k15_07 = 38492013932672.0 / 718912673015625.0 - b_07;
/** Internal weights for stage 15, element 8. */
private static final double k15_08 = -1114881286517557.0 / 20298710767500000.0 - b_08;
/** Internal weights for stage 15, element 9. */
private static final double k15_09 = 0.0 - b_09;
/** Internal weights for stage 15, element 10. */
private static final double k15_10 = 0.0 - b_10;
/** Internal weights for stage 15, element 11. */
private static final double k15_11 = -2538710946863.0 / 23431227861250000.0 - b_11;
/** Internal weights for stage 15, element 12. */
private static final double k15_12 = 8824659001.0 / 23066716781250.0 - b_12;
/** Internal weights for stage 15, element 13. */
private static final double k15_13 = -11518334563.0 / 33831184612500.0;
/** Internal weights for stage 15, element 14. */
private static final double k15_14 = 1912306948.0 / 13532473845.0;
/** Time step for stage 16 (interpolation only). */
private static final double c16 = 7.0 / 9.0;
/** Internal weights for stage 16, element 1. */
private static final double k16_01 = -13613986967.0 / 31741908048.0 - b_01;
// elements 2 to 5 are zero, so they are neither stored nor used
/** Internal weights for stage 16, element 6. */
private static final double k16_06 = -4755612631.0 / 1012344804.0 - b_06;
/** Internal weights for stage 16, element 7. */
private static final double k16_07 = 42939257944576.0 / 5588559685701.0 - b_07;
/** Internal weights for stage 16, element 8. */
private static final double k16_08 = 77881972900277.0 / 19140370552944.0 - b_08;
/** Internal weights for stage 16, element 9. */
private static final double k16_09 = 22719829234375.0 / 63689648654052.0 - b_09;
/** Internal weights for stage 16, element 10. */
private static final double k16_10 = 0.0 - b_10;
/** Internal weights for stage 16, element 11. */
private static final double k16_11 = 0.0 - b_11;
/** Internal weights for stage 16, element 12. */
private static final double k16_12 = 0.0 - b_12;
/** Internal weights for stage 16, element 13. */
private static final double k16_13 = -1199007803.0 / 857031517296.0;
/** Internal weights for stage 16, element 14. */
private static final double k16_14 = 157882067000.0 / 53564469831.0;
/** Internal weights for stage 16, element 15. */
private static final double k16_15 = -290468882375.0 / 31741908048.0;
/** Interpolation weights.
* (beware that only the non-null values are in the table)
*/
private static final double[][] d = {
{ -17751989329.0 / 2106076560.0, 4272954039.0 / 7539864640.0,
-118476319744.0 / 38604839385.0, 755123450731.0 / 316657731600.0,
3692384461234828125.0 / 1744130441634250432.0, -4612609375.0 / 5293382976.0,
2091772278379.0 / 933644586600.0, 2136624137.0 / 3382989120.0,
-126493.0 / 1421424.0, 98350000.0 / 5419179.0,
-18878125.0 / 2053168.0, -1944542619.0 / 438351368.0},
{ 32941697297.0 / 3159114840.0, 456696183123.0 / 1884966160.0,
19132610714624.0 / 115814518155.0, -177904688592943.0 / 474986597400.0,
-4821139941836765625.0 / 218016305204281304.0, 30702015625.0 / 3970037232.0,
-85916079474274.0 / 2800933759800.0, -5919468007.0 / 634310460.0,
2479159.0 / 157936.0, -18750000.0 / 602131.0,
-19203125.0 / 2053168.0, 15700361463.0 / 438351368.0},
{ 12627015655.0 / 631822968.0, -72955222965.0 / 188496616.0,
-13145744952320.0 / 69488710893.0, 30084216194513.0 / 56998391688.0,
-296858761006640625.0 / 25648977082856624.0, 569140625.0 / 82709109.0,
-18684190637.0 / 18672891732.0, 69644045.0 / 89549712.0,
-11847025.0 / 4264272.0, -978650000.0 / 16257537.0,
519371875.0 / 6159504.0, 5256837225.0 / 438351368.0},
{ -450944925.0 / 17550638.0, -14532122925.0 / 94248308.0,
-595876966400.0 / 2573655959.0, 188748653015.0 / 527762886.0,
2545485458115234375.0 / 27252038150535163.0, -1376953125.0 / 36759604.0,
53995596795.0 / 518691437.0, 210311225.0 / 7047894.0,
-1718875.0 / 39484.0, 58000000.0 / 602131.0,
-1546875.0 / 39484.0, -1262172375.0 / 8429834.0}
};
/** Serializable version identifier */
private static final long serialVersionUID = 7152276390558450974L;
}
The table below shows all metrics for DormandPrince853StepInterpolator.java.
| Metric | Value | Description | |
|---|---|---|---|
| BLOCKS | 29.00 | Number of blocks | |
| BLOCK_COMMENT | 16.00 | Number of block comment lines | |
| COMMENTS | 152.00 | Comment lines | |
| COMMENT_DENSITY | 0.78 | Comment density | |
| COMPARISONS | 16.00 | Number of comparison operators | |
| CYCLOMATIC | 27.00 | Cyclomatic complexity | |
| DECL_COMMENTS | 61.00 | Comments in declarations | |
| DOC_COMMENT | 122.00 | Number of javadoc comment lines | |
| ELOC | 195.00 | Effective lines of code | |
| EXEC_COMMENTS | 10.00 | Comments in executable code | |
| EXITS | 8.00 | Procedure exits | |
| FUNCTIONS | 9.00 | Number of function declarations | |
| HALSTEAD_DIFFICULTY | 65.79 | Halstead difficulty | |
| HALSTEAD_EFFORT | 0.00 | Halstead effort | |
| INTERFACE_COMPLEXITY | 33.00 | 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 | 1.00 | 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 | 1.00 | 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 | 2.00 | JAVA0075 Method parameter hides field | |
| JAVA0076 | 46.00 | 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 | 0.00 | 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 | 0.00 | 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 | 0.00 | 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 | 2.00 | 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 | 0.00 | 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 | 0.00 | 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 | 1.00 | 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 | 0.00 | 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 | 484.00 | Number of lines in the source file | |
| LINE_COMMENT | 14.00 | Number of line comments | |
| LOC | 223.00 | Lines of code | |
| LOGICAL_LINES | 140.00 | Number of statements | |
| LOOPS | 13.00 | Number of loops | |
| NEST_DEPTH | 4.00 | Maximum nesting depth | |
| OPERANDS | 841.00 | Number of operands | |
| OPERATORS | 1596.00 | Number of operators | |
| PARAMS | 10.00 | Number of formal parameter declarations | |
| PROGRAM_LENGTH | 2437.00 | Halstead program length | |
| PROGRAM_VOCAB | 340.00 | Halstead program vocabulary | |
| PROGRAM_VOLUME | 0.00 | Halstead program volume | |
| RETURNS | 23.00 | Number of return points from functions | |
| SIZE | 18758.00 | Size of the file in bytes | |
| UNIQUE_OPERANDS | 294.00 | Number of unique operands | |
| UNIQUE_OPERATORS | 46.00 | Number of unique operators | |
| WHITESPACE | 109.00 | Number of whitespace lines | |