org.apache.cayenne.exp.parser
Class ASTLess

java.lang.Object
  org.apache.cayenne.exp.Expression
      org.apache.cayenne.exp.parser.SimpleNode
          org.apache.cayenne.exp.parser.ConditionNode
              org.apache.cayenne.exp.parser.ASTLess

All Implemented Interfaces:

java.io.Serializable, Node, XMLSerializable

public class ASTLess
extends ConditionNode

"Less Then" expression.

Since:

1.1

Author:

Andrei Adamchik

See Also:

Serialized Form

Field Summary

Fields inherited from class org.apache.cayenne.exp.parser.SimpleNode

children, id, parent

Fields inherited from class org.apache.cayenne.exp.Expression

ADD, ALL, AND, ANY, AVG, BETWEEN, COUNT, DB_PATH, DIVIDE, EQUAL_TO, EXISTS, GREATER_THAN, GREATER_THAN_EQUAL_TO, IN, LESS_THAN, LESS_THAN_EQUAL_TO, LIKE, LIKE_IGNORE_CASE, LIST, MAX, MIN, MULTIPLY, NEGATIVE, NOT, NOT_BETWEEN, NOT_EQUAL_TO, NOT_IN, NOT_LIKE, NOT_LIKE_IGNORE_CASE, OBJ_PATH, OR, POSITIVE, PRUNED_NODE, RAW_SQL, SOME, SUBQUERY, SUBTRACT, SUM, type

Constructor Summary

ASTLess()

ASTLess(ASTPath path, java.lang.Object value)

Method Summary

protected java.lang.Object	evaluateNode(java.lang.Object o) Evaluates itself with object, pushing result on the stack.
protected java.lang.String	getExpressionOperator(int index)
int	getType() Returns a type of expression.
Expression	shallowCopy() Creates a copy of this expression node, without copying children.

Methods inherited from class org.apache.cayenne.exp.parser.ConditionNode

jjtSetParent

Methods inherited from class org.apache.cayenne.exp.parser.SimpleNode

encodeAsEscapedString, encodeAsString, encodeScalarAsString, evaluate, evaluateChild, expName, flattenTree, getOperand, getOperandCount, jjtAddChild, jjtClose, jjtGetChild, jjtGetNumChildren, jjtGetParent, jjtOpen, notExp, pruneNodeForPrunedChild, setOperand, unwrapChild, wrapChild

Methods inherited from class org.apache.cayenne.exp.Expression

andExp, deepCopy, encodeAsXML, equals, expWithParameters, expWithParameters, filter, filterObjects, fromString, joinExp, match, orExp, setType, toString, transform, transformExpression, traverse, traverse

Methods inherited from class java.lang.Object

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

Constructor Detail

ASTLess

public ASTLess()

ASTLess

public ASTLess(ASTPath path,
               java.lang.Object value)

Method Detail

evaluateNode

protected java.lang.Object evaluateNode(java.lang.Object o)
                                 throws java.lang.Exception

Description copied from class: SimpleNode

Evaluates itself with object, pushing result on the stack.

Specified by:

evaluateNode in class SimpleNode

Throws:

java.lang.Exception

shallowCopy

public Expression shallowCopy()

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

Specified by:

shallowCopy in class Expression

getExpressionOperator

protected java.lang.String getExpressionOperator(int index)

Specified by:

getExpressionOperator in class SimpleNode

getType

public int getType()

Description copied from class: Expression

Returns a type of expression. Most common types are defined as public static fields of this interface.

Overrides:

getType in class Expression