javax.slee.profile.query

Class CompositeQueryExpression

java.lang.Object

javax.slee.profile.query.QueryExpression

javax.slee.profile.query.CompositeQueryExpression

All Implemented Interfaces:

Serializable

Direct Known Subclasses:

And, Or

public abstract class CompositeQueryExpression
extends QueryExpression

The CompositeQueryExpression class is the base class for all dynamic query expressions that are containers of other query expressions.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
CompositeQueryExpression()

Method Summary

Methods

Modifier and Type	Method and Description
protected void	add(QueryExpression expr) Add a query expression to this composite expression.
QueryExpression[]	getExpressions() Get the query expressions that have been added to this composite expression.

Methods inherited from class javax.slee.profile.query.QueryExpression

toString, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

CompositeQueryExpression

public CompositeQueryExpression()

Method Detail

getExpressions

public final QueryExpression[] getExpressions()

Get the query expressions that have been added to this composite expression.

Returns:

the query expressions that have been added to this composite expression.

add

protected final void add(QueryExpression expr)
                  throws NullPointerException,
                         IllegalArgumentException

Add a query expression to this composite expression.

Parameters:

expr - the expression to add.

Throws:

NullPointerException - if expr is null.

IllegalArgumentException - if adding the query expression to this composite expression would generate a cyclic expression.