Class EvaluatedNode

java.lang.Object

org.apache.cayenne.exp.Expression

org.apache.cayenne.exp.parser.SimpleNode

org.apache.cayenne.exp.parser.EvaluatedNode

All Implemented Interfaces:

Serializable, Node, XMLSerializable

Direct Known Subclasses:

ASTBitwiseNot, ASTFunctionCall, EvaluatedBitwiseNode, EvaluatedMathNode

public abstract class EvaluatedNode
extends SimpleNode

Since:

4.0

See Also:

• Serialized Form

Field Summary

Fields inherited from class SimpleNode

children, id, parent

Fields inherited from class Expression

ADD, ALL, AND, ANY, ASTERISK, BETWEEN, BITWISE_AND, BITWISE_LEFT_SHIFT, BITWISE_NOT, BITWISE_OR, BITWISE_RIGHT_SHIFT, BITWISE_XOR, CASE_WHEN, CUSTOM_OP, DB_PATH, DBID_PATH, DIVIDE, ELSE, ENCLOSING_OBJECT, EQUAL_TO, EXISTS, FALSE, FULL_OBJECT, FUNCTION_CALL, GREATER_THAN, GREATER_THAN_EQUAL_TO, IN, LESS_THAN, LESS_THAN_EQUAL_TO, LIKE, LIKE_IGNORE_CASE, LIST, MULTIPLY, NEGATIVE, NOT, NOT_BETWEEN, NOT_EQUAL_TO, NOT_EXISTS, NOT_IN, NOT_LIKE, NOT_LIKE_IGNORE_CASE, OBJ_PATH, OR, PRUNED_NODE, SCALAR, SUBQUERY, SUBTRACT, THEN, TRUE, type, WHEN

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	EvaluatedNode(int i)

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 SimpleNode

appendAsEJBQL, appendAsEJBQL, appendAsEscapedString, appendAsString, appendChildrenAsEJBQL, appendScalarAsString, connectChildren, encodeScalarAsEJBQL, evaluate, evaluateChild, exists, expName, flattenTree, getEJBQLExpressionOperator, getExpressionOperator, getOperand, getOperandCount, getPathAliases, isValidParent, jjtAddChild, jjtClose, jjtGetChild, jjtGetNumChildren, jjtGetParent, jjtOpen, jjtSetParent, notExists, notExp, numericToString, pruneNodeForPrunedChild, setOperand, unwrapChild, wrapChild

Methods inherited from class Expression

andExp, andExp, deepCopy, encodeAsXML, equals, filter, filterObjects, first, getType, hashCode, joinExp, joinExp, match, orExp, orExp, params, params, paramsArray, setType, shallowCopy, toEJBQL, toEJBQL, toString, transform, transformExpression, traverse, traverse

Methods inherited from class Object

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

Constructor Details

EvaluatedNode

protected EvaluatedNode(int i)

Method Details

evaluateNode

protected Object evaluateNode(Object o)
                       throws Exception

Description copied from class: SimpleNode

Evaluates itself with object, pushing result on the stack.

Specified by:

evaluateNode in class SimpleNode

Throws:

Exception

getRequiredChildrenCount

protected abstract int getRequiredChildrenCount()

evaluateSubNode

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

Throws:

Exception