Package org.apache.cayenne.exp.parser

Class ASTCustomOperator

java.lang.Object

org.apache.cayenne.exp.Expression

org.apache.cayenne.exp.parser.SimpleNode

org.apache.cayenne.exp.parser.ASTCustomOperator

All Implemented Interfaces:

Serializable, Node, XMLSerializable

public class ASTCustomOperator
extends SimpleNode

Since:

4.2

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, AND, ASTERISK, BETWEEN, BITWISE_AND, BITWISE_LEFT_SHIFT, BITWISE_NOT, BITWISE_OR, BITWISE_RIGHT_SHIFT, BITWISE_XOR, CUSTOM_OP, DB_PATH, DBID_PATH, DIVIDE, 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, SUBQUERY, SUBTRACT, TRUE, type

Constructor Summary

Constructors

Constructor	Description
ASTCustomOperator(int id)
ASTCustomOperator(String operator)
ASTCustomOperator(String operator, Object[] nodes)

Method Summary

Modifier and Type	Method	Description
void	appendAsString(Appendable out)	Appends own content as a String to the provided Appendable.
protected Object	evaluateNode(Object o)	Evaluates itself with object, pushing result on the stack.
protected String	getExpressionOperator(int index)
String	getOperator()
int	getType()	Returns a type of expression.
void	jjtAddChild(Node n, int i)	This method tells the node to add its argument to the node's list of children.
void	setOperator(String operator)
Expression	shallowCopy()	Creates a copy of this expression node, without copying children.

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

appendAsEJBQL, appendAsEJBQL, appendAsEscapedString, appendChildrenAsEJBQL, appendScalarAsString, connectChildren, encodeScalarAsEJBQL, evaluate, evaluateChild, expName, flattenTree, getEJBQLExpressionOperator, getOperand, getOperandCount, getPathAliases, jjtClose, jjtGetChild, jjtGetNumChildren, jjtGetParent, jjtOpen, jjtSetParent, notExp, pruneNodeForPrunedChild, setOperand, unwrapChild, wrapChild

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

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

Methods inherited from class java.lang.Object

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

Constructor Details

ASTCustomOperator

public ASTCustomOperator(int id)

ASTCustomOperator

public ASTCustomOperator(String operator)

ASTCustomOperator

public ASTCustomOperator(String operator,
 Object[] nodes)

Method Details

jjtAddChild

public void jjtAddChild(Node n,
 int i)

Description copied from interface: Node

This method tells the node to add its argument to the node's list of children.

Specified by:

jjtAddChild in interface Node

Overrides:

jjtAddChild in class SimpleNode

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

setOperator

public void setOperator(String operator)

appendAsString

public void appendAsString(Appendable out)
                    throws IOException

Description copied from class: Expression

Appends own content as a String to the provided Appendable.

Overrides:

appendAsString in class SimpleNode

Throws:

IOException

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

getOperator

public String getOperator()

getExpressionOperator

protected String getExpressionOperator(int index)

Specified by:

getExpressionOperator in class SimpleNode

shallowCopy

public Expression shallowCopy()

Description copied from class: Expression

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

Specified by:

shallowCopy in class Expression