Package org.apache.cayenne.ejbql.parser

Class EJBQLIsNull

java.lang.Object

org.apache.cayenne.ejbql.parser.SimpleNode

org.apache.cayenne.ejbql.parser.EJBQLIsNull

All Implemented Interfaces:

Serializable, EJBQLExpression, Node

public class EJBQLIsNull
extends SimpleNode

Since:

3.0

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
EJBQLIsNull(int id)

Method Summary

Modifier and Type	Method	Description
protected boolean	visitChild(EJBQLExpressionVisitor visitor, int childIndex)	Recursively visits a child at the specified index.
protected boolean	visitNode(EJBQLExpressionVisitor visitor)	Visits this node without recursion.

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

getChild, getChildrenCount, getName, getText, isNegated, jjtAddChild, jjtClose, jjtGetChild, jjtGetNumChildren, jjtGetParent, jjtOpen, jjtSetParent, setText, toString, visit

Methods inherited from class java.lang.Object

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

Constructor Details

EJBQLIsNull

public EJBQLIsNull(int id)

Method Details

visitNode

protected boolean visitNode(EJBQLExpressionVisitor visitor)

Description copied from class: SimpleNode

Visits this node without recursion. Default implementation simply returns true. Subclasses override this method to call an appropriate visitor method.

Overrides:

visitNode in class SimpleNode

visitChild

protected boolean visitChild(EJBQLExpressionVisitor visitor,
 int childIndex)

Description copied from class: SimpleNode

Recursively visits a child at the specified index. Subclasses override this method if they desire to implement callbacks after visiting each child.

Overrides:

visitChild in class SimpleNode