Class ValueExp

java.lang.Object

org.apache.cayenne.exp.Expression

org.apache.cayenne.exp.ValueExp

All Implemented Interfaces:

XMLSerializable

Direct Known Subclasses:

ArithmeticExp, BitwiseExp, BitwiseNotExp, FunctionCallExp

public abstract sealed class ValueExp
extends Expression
permits ArithmeticExp, BitwiseExp, BitwiseNotExp, FunctionCallExp

Since:

5.0

Field Summary

Fields inherited from class Expression

operands, PRUNED_NODE

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	ValueExp(Object... operands)

Method Summary

Modifier and Type	Method	Description
protected Object	evaluateNode(Object o)	Evaluates itself with object, pushing result on the stack.
protected abstract Object	evaluateSubNode(Object o, Object[] evaluatedChildren)
protected abstract int	getRequiredChildrenCount()

Methods inherited from class Expression

andExp, andExp, appendAsString, appendOperandAsString, deepCopy, encodeAsXML, equals, evaluate, evaluateOperand, exists, expName, filter, filterObjects, first, flattenTree, getExpressionOperator, getOperand, getOperandCount, getPathAliases, hashCode, isValidParent, match, notExists, notExp, orExp, orExp, params, params, paramsArray, parenthesizeAsOperand, pruneNodeForPrunedChild, setOperand, setOperands, shallowCopy, toString, transform, transformExpression, traverse, traverse

Methods inherited from class Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Details

ValueExp

protected ValueExp(Object... operands)

Method Details

evaluateNode

protected Object evaluateNode(Object o)
                       throws Exception

Description copied from class: Expression

Evaluates itself with object, pushing result on the stack.

Specified by:

evaluateNode in class Expression

Throws:

Exception

getRequiredChildrenCount

protected abstract int getRequiredChildrenCount()

evaluateSubNode

protected abstract Object evaluateSubNode(Object o,
 Object[] evaluatedChildren)
                                   throws Exception

Throws:

Exception