Package org.codehaus.groovy.transform

Class EqualsAndHashCodeASTStubber

java.lang.Object

org.codehaus.groovy.transform.AbstractASTTransformation

org.codehaus.groovy.transform.EqualsAndHashCodeASTStubber

All Implemented Interfaces:

ASTTransformation, ErrorCollecting

public class EqualsAndHashCodeASTStubber
extends AbstractASTTransformation

Joint-compilation stubber for EqualsAndHashCode. Emits placeholder hashCode() and equals(Object) methods so the @EqualsAndHashCode-generated overrides are visible in the joint-compilation stub even though Object already provides them.

As with ToStringASTStubber, simple call sites compile either way (Object-inherited dispatch is enough), but exposing the declared overrides in the stub matters for Java code that does super.equals() / super.hashCode() chaining or for tooling that distinguishes declared from inherited methods.

The placeholder bodies return safe defaults; the full EqualsAndHashCodeASTTransformation at CANONICALIZATION recognises the stubber metadata and replaces the bodies with the real implementations.

Since:

6.0.0

Field Summary

Fields inherited from class org.codehaus.groovy.transform.AbstractASTTransformation

RETENTION_CLASSNODE, sourceUnit

Constructor Summary

Constructors

Constructor	Description
EqualsAndHashCodeASTStubber()

Method Summary

Modifier and Type	Method	Description
void	visit(ASTNode[] nodes, SourceUnit source)	The method is invoked when an AST Transformation is active.

Methods inherited from class org.codehaus.groovy.transform.AbstractASTTransformation

addError, checkIncludeExcludeUndefinedAware, checkIncludeExcludeUndefinedAware, checkNotInterface, checkPropertyList, checkPropertyList, checkPropertyList, copyAnnotatedNodeAnnotations, copyAnnotatedNodeAnnotations, deemedInternal, deemedInternalName, getAnnotationName, getMemberClassList, getMemberClassValue, getMemberClassValue, getMemberIntValue, getMemberStringList, getMemberStringValue, getMemberStringValue, getMemberValue, hasAnnotation, init, markAsInternal, memberHasValue, shouldSkip, shouldSkip, shouldSkip, shouldSkipOnDescriptorUndefinedAware, shouldSkipUndefinedAware, shouldSkipUndefinedAware, shouldSkipUndefinedAware, tokenize

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

EqualsAndHashCodeASTStubber

public EqualsAndHashCodeASTStubber()

Method Details

visit

public void visit(ASTNode[] nodes,
 SourceUnit source)

Description copied from interface: ASTTransformation

The method is invoked when an AST Transformation is active. For local transformations, it is invoked once each time the local annotation is encountered. For global transformations, it is invoked once for every source unit, which is typically a source file.

Parameters:

nodes - The ASTnodes when the call was triggered. Element 0 is the AnnotationNode that triggered this annotation to be activated. Element 1 is the AnnotatedNode decorated, such as a MethodNode or ClassNode. For global transformations it is usually safe to ignore this parameter.

source - The source unit being compiled. The source unit may contain several classes. For global transformations, information about the AST can be retrieved from this object.