org.apache.cayenne.exp.parser
Class ASTNegate
java.lang.Object
org.apache.cayenne.exp.Expression
org.apache.cayenne.exp.parser.SimpleNode
org.apache.cayenne.exp.parser.ASTNegate
- All Implemented Interfaces:
- java.io.Serializable, Node, XMLSerializable
public class ASTNegate
- extends SimpleNode
"Negate" expression.
- Since:
- 1.1
- Author:
- Andrei Adamchik
- See Also:
- Serialized Form
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 |
Method Summary |
void |
encodeAsString(java.io.PrintWriter pw)
Stores a String representation of Expression using a provided PrintWriter. |
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 |
getOperandCount()
Returns a count of operands of this expression. |
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.SimpleNode |
encodeAsEscapedString, encodeScalarAsString, evaluate, evaluateChild, expName, flattenTree, getOperand, jjtAddChild, jjtClose, jjtGetChild, jjtGetNumChildren, jjtGetParent, jjtOpen, jjtSetParent, 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 |
ASTNegate
public ASTNegate()
ASTNegate
public ASTNegate(java.lang.Object node)
shallowCopy
public Expression shallowCopy()
- Creates a copy of this expression node, without copying children.
- Specified by:
shallowCopy
in class Expression
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
encodeAsString
public void encodeAsString(java.io.PrintWriter pw)
- Description copied from class:
Expression
- Stores a String representation of Expression using a provided PrintWriter.
- Overrides:
encodeAsString
in class SimpleNode
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
getOperandCount
public int getOperandCount()
- Description copied from class:
Expression
- Returns a count of operands of this expression. In real life there are unary (count ==
1), binary (count == 2) and ternary (count == 3) expressions.
- Overrides:
getOperandCount
in class SimpleNode
Copyright © 2001-2006 Apache.org All Rights Reserved.