ognl

Class BooleanExpression

java.lang.Object

ognl.SimpleNode

ognl.ExpressionNode

ognl.BooleanExpression

All Implemented Interfaces:

Serializable, JavaSource, Node, NodeType

Direct Known Subclasses:

ASTAnd, ASTOr, ComparisonExpression

public abstract class BooleanExpression
extends ExpressionNode
implements NodeType

Base class for boolean expressions.

Author:

jkuhnert

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
protected Class	_getterClass

Fields inherited from class ognl.SimpleNode

_children, _id, _parent, _parser

Constructor Summary

Constructors

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

Method Summary

Methods

Modifier and Type	Method and Description
Class	getGetterClass() The type returned from the expression - if any.
Class	getSetterClass() The type used to set the value - if any.
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.

Methods inherited from class ognl.ExpressionNode

getExpressionOperator, isConstant, isNodeConstant, isOperation, toSetSourceString, toString

Methods inherited from class ognl.SimpleNode

dump, evaluateGetValueBody, evaluateSetValueBody, flattenTree, getAccessor, getIndexInParent, getNextSibling, getValue, getValueBody, 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 Detail

_getterClass

protected Class _getterClass

Constructor Detail

BooleanExpression

public BooleanExpression(int id)

BooleanExpression

public BooleanExpression(OgnlParser p,
                 int id)

Method Detail

getGetterClass

public Class getGetterClass()

Description copied from interface: NodeType

The type returned from the expression - if any.

Specified by:

getGetterClass in interface NodeType

Returns:

The type.

getSetterClass

public Class getSetterClass()

Description copied from interface: NodeType

The type used to set the value - if any.

Specified by:

getSetterClass in interface NodeType

Returns:

The type.

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 ExpressionNode

Returns:

Literal java string representation of an object get.