org.apache.commons.ognl

Class ASTNegate

java.lang.Object

org.apache.commons.ognl.SimpleNode

org.apache.commons.ognl.ExpressionNode

org.apache.commons.ognl.NumericExpression

org.apache.commons.ognl.ASTNegate

All Implemented Interfaces:

java.io.Serializable, JavaSource, Node, NodeType

class ASTNegate
extends NumericExpression

Field Summary

Fields inherited from class org.apache.commons.ognl.NumericExpression

_getterClass

Fields inherited from class org.apache.commons.ognl.SimpleNode

_children, _id, _parent, _parser

Constructor Summary

Constructors

Constructor and Description
ASTNegate(int id)
ASTNegate(OgnlParser p, int id)

Method Summary

Modifier and Type	Method and Description
protected java.lang.Object	getValueBody(OgnlContext context, java.lang.Object source) Subclasses implement this method to do the actual work of extracting the appropriate value from the source object.
java.lang.String	toGetSourceString(OgnlContext context, java.lang.Object target) Expected to return a java source representation of itself such that it could be turned into a literal java expression to be compiled and executed for ExpressionAccessor.get(OgnlContext, Object) calls.
java.lang.String	toString()

Methods inherited from class org.apache.commons.ognl.NumericExpression

coerceToNumeric, getGetterClass, getSetterClass

Methods inherited from class org.apache.commons.ognl.ExpressionNode

getExpressionOperator, isConstant, isNodeConstant, toSetSourceString

Methods inherited from class org.apache.commons.ognl.SimpleNode

dump, evaluateGetValueBody, evaluateSetValueBody, flattenTree, getAccessor, getIndexInParent, getNextSibling, getValue, isNodeSimpleProperty, isSimpleNavigationChain, isSimpleProperty, jjtAddChild, jjtClose, jjtGetChild, jjtGetNumChildren, jjtGetParent, jjtOpen, jjtSetParent, lastChild, setAccessor, setValue, setValueBody, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

ASTNegate

public ASTNegate(int id)

ASTNegate

public ASTNegate(OgnlParser p,
                 int id)

Method Detail

getValueBody

protected java.lang.Object getValueBody(OgnlContext context,
                                        java.lang.Object source)
                                 throws OgnlException

Description copied from class: SimpleNode

Subclasses implement this method to do the actual work of extracting the appropriate value from the source object.

Specified by:

getValueBody in class SimpleNode

Throws:

OgnlException

toString

public java.lang.String toString()

Overrides:

toString in class ExpressionNode

toGetSourceString

public java.lang.String toGetSourceString(OgnlContext context,
                                          java.lang.Object target)

Description copied from interface: JavaSource

Expected to return a java source representation of itself such that it could be turned into a literal java expression to be compiled and executed for ExpressionAccessor.get(OgnlContext, Object) calls.

Specified by:

toGetSourceString in interface JavaSource

Overrides:

toGetSourceString in class NumericExpression

Returns:

Literal java string representation of an object get.