org.apache.xerces.xs.datatypes.ObjectList Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.xerces.xs.datatypes;
import java.util.List;
/**
* The ObjectList
is an immutable ordered collection of
* Object
.
*
* @author Ankit Pasricha, IBM
*
* @version $Id: ObjectList.java 744816 2009-02-16 06:03:18Z mrglavas $
*/
public interface ObjectList extends List {
/**
* The number of Object
s in the list. The range of
* valid child object indices is 0 to length-1
inclusive.
*/
public int getLength();
/**
* Checks if the Object
item
is a
* member of this list.
* @param item Object
whose presence in this list
* is to be tested.
* @return True if this list contains the Object
* item
.
*/
public boolean contains(Object item);
/**
* Returns the index
th item in the collection or
* null
if index
is greater than or equal to
* the number of objects in the list. The index starts at 0.
* @param index index into the collection.
* @return The Object
at the index
th
* position in the ObjectList
, or null
if
* the index specified is not valid - greater than or equal to the
* number of items in the list or less than zero.
*/
public Object item(int index);
}