Inherited fields 

Fields inherited from class	Fields
class Expression	EMPTY_ARRAY

Constructor Summary

Constructors 

Constructor and description
CompareToNullExpression(Expression expression, boolean equalsNull) Creates a comparison between an expression and null.

Methods Summary

Methods 

Type Params	Return Type	Name and description
	public Expression	getObjectExpression() Returns the expression being compared with null.
	public void	setLeftExpression(Expression expression) Prevents replacing the compared expression after construction.
	public void	setRightExpression(Expression expression) Prevents changing the fixed null right-hand operand.
	public void	setType(ClassNode type) Prevents changing the fixed boolean result type of this expression.
	public Expression	transformExpression(ExpressionTransformer transformer) Transforms the compared expression while preserving the null-comparison semantics.
	public void	visit(GroovyCodeVisitor visitor) Emits direct null-comparison bytecode for this expression.

Inherited Methods Summary

Inherited Methods 

Methods inherited from class	Name
class BinaryExpression	getLeftExpression, getOperation, getRightExpression, getText, isSafe, newAssignmentExpression, newInitializationExpression, setLeftExpression, setRightExpression, setSafe, toString, transformExpression, visit
class Expression	getType, setType, transformExpression, transformExpressions, transformExpressions
class AnnotatedNode	addAnnotation, addAnnotation, addAnnotations, getAnnotations, getAnnotations, getDeclaringClass, getGroovydoc, getInstance, hasNoRealSourcePosition, isSynthetic, setDeclaringClass, setHasNoRealSourcePosition, setSynthetic
class ASTNode	copyNodeMetaData, getColumnNumber, getLastColumnNumber, getLastLineNumber, getLineNumber, getMetaDataMap, getText, setColumnNumber, setLastColumnNumber, setLastLineNumber, setLineNumber, setMetaDataMap, setSourcePosition, visit