Class CaseWhenExp

java.lang.Object

org.apache.cayenne.exp.Expression

org.apache.cayenne.exp.CaseWhenExp

All Implemented Interfaces:

XMLSerializable

public final class CaseWhenExp
extends Expression

"CASE-WHEN" expression root node.

Since:

5.0

See Also:

• ExpressionFactory.caseWhen(List, List, Expression)

Field Summary

Fields inherited from class Expression

operands, PRUNED_NODE

Constructor Summary

Constructors

Constructor	Description
CaseWhenExp(Object... operands)

Method Summary

Modifier and Type	Method	Description
protected Object	evaluateNode(Object o)	Evaluates itself with object, pushing result on the stack.
protected String	getExpressionOperator(int index)	Returns the operator printed between the operands, before the operand at the given index.
Expression	shallowCopy()	Creates a copy of this expression node, without copying children.

Methods inherited from class Expression

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

Methods inherited from class Object

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

Constructor Details

CaseWhenExp

public CaseWhenExp(Object... operands)

Method Details

shallowCopy

public Expression shallowCopy()

Creates a copy of this expression node, without copying children.

Specified by:

shallowCopy in class Expression

getExpressionOperator

protected String getExpressionOperator(int index)

Description copied from class: Expression

Returns the operator printed between the operands, before the operand at the given index.

Specified by:

getExpressionOperator in class Expression

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