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net.sourceforge.pmd.rules
Class UselessOperationOnImmutable

java.lang.Object
 extended by net.sourceforge.pmd.CommonAbstractRule
 extended by net.sourceforge.pmd.AbstractJavaRule
 extended by net.sourceforge.pmd.rules.UselessOperationOnImmutable

All Implemented Interfaces:

JavaParserVisitor, Rule

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public class UselessOperationOnImmutable
extends AbstractJavaRule

An operation on an Immutable object (String, BigDecimal or BigInteger) won't change the object itself. The result of the operation is a new object. Therefore, ignoring the operation result is an error.

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Field Summary

Fields inherited from interface net.sourceforge.pmd.Rule
LOWEST_PRIORITY, PRIORITIES

Constructor Summary
UselessOperationOnImmutable()

Method Summary
java.lang.Object	visit(ASTLocalVariableDeclaration node, java.lang.Object data)

Methods inherited from class net.sourceforge.pmd.AbstractJavaRule

addViolation, addViolation, addViolation, addViolationWithMessage, apply, getDeclaringType, importsPackage, isQualifiedName, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visitAll

Methods inherited from class net.sourceforge.pmd.CommonAbstractRule

addExample, addProperties, addProperty, addRuleChainVisit, asFixedMap, asFixedMap, end, equals, getBooleanProperties, getBooleanProperty, getBooleanProperty, getDescription, getDoubleProperties, getDoubleProperty, getDoubleProperty, getExample, getExamples, getExternalInfoUrl, getIntProperties, getIntProperty, getIntProperty, getMessage, getName, getPriority, getPriorityName, getProperties, getRuleChainVisits, getRuleClass, getRuleSetName, getSince, getStringProperties, getStringProperty, getStringProperty, getTypeProperties, getTypeProperty, hashCode, hasProperty, include, propertiesByName, propertyDescriptorFor, setDescription, setExternalInfoUrl, setInclude, setMessage, setName, setPriority, setProperties, setProperty, setRuleClass, setRuleSetName, setSince, setUsesDFA, setUsesTypeResolution, start, usesDFA, usesRuleChain, usesTypeResolution

Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

UselessOperationOnImmutable

public UselessOperationOnImmutable()

Method Detail

visit

public java.lang.Object visit(ASTLocalVariableDeclaration node,
 java.lang.Object data)

Specified by:

visit in interface JavaParserVisitor

Overrides:

visit in class AbstractJavaRule

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