Package ognl

Class ASTNegate

java.lang.Object

ognl.SimpleNode

ognl.ExpressionNode

ognl.NumericExpression

ognl.ASTNegate

All Implemented Interfaces:

Serializable, JavaSource, Node, NodeType

public class ASTNegate
extends NumericExpression

See Also:

• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
private static final long	serialVersionUID

Fields inherited from class ognl.NumericExpression

getterClass

Fields inherited from class ognl.SimpleNode

children, id, parent, parser

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method	Description
protected Object	getValueBody(OgnlContext context, Object source)	Subclasses implement this method to do the actual work of extracting the appropriate value from the source object.
boolean	isOperation(OgnlContext context)
String	toGetSourceString(OgnlContext context, 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.
String	toString()

Methods inherited from class ognl.NumericExpression

coerceToNumeric, getGetterClass, getSetterClass

Methods inherited from class ognl.ExpressionNode

getExpressionOperator, isConstant, isNodeConstant, toSetSourceString

Methods inherited from class ognl.SimpleNode

dump, evaluateGetValueBody, evaluateSetValueBody, flattenTree, getAccessor, getIndexInParent, getNextSibling, getValue, isChain, isEvalChain, isNodeSimpleProperty, isSequence, isSimpleMethod, 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

Field Details

serialVersionUID

private static final long serialVersionUID

See Also:

• Constant Field Values

Constructor Details

ASTNegate

public ASTNegate(int id)

ASTNegate

public ASTNegate(OgnlParser p,
 int id)

Method Details

getValueBody

protected Object getValueBody(OgnlContext context,
 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

Parameters:

context - the OgnlContext within which to perform the operation.

source - the Object from which to get the value body.

Returns:

the value body from the source (as appropriate within the provided context).

Throws:

OgnlException - if the value body get fails.

toString

public String toString()

Overrides:

toString in class ExpressionNode

toGetSourceString

public String toGetSourceString(OgnlContext context,
 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

Parameters:

context - the OgnlContext within which to perform the operation.

target - the Object from which to retrieve the get source string.

Returns:

Literal java string representation of an object get.

isOperation

public boolean isOperation(OgnlContext context)
                    throws OgnlException

Overrides:

isOperation in class ExpressionNode

Throws:

OgnlException