com.emc.esu.api.MetadataList Maven / Gradle / Ivy
/*
* Copyright 2013 EMC Corporation. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License").
* You may not use this file except in compliance with the License.
* A copy of the License is located at
*
* http://www.apache.org/licenses/LICENSE-2.0.txt
*
* or in the "license" file accompanying this file. This file 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 com.emc.esu.api;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
/**
* Contains a list of metadata items
*/
public class MetadataList implements Iterable {
private Map meta = new HashMap();
/**
* Returns an iterator that iterates over the set of metadata items in
* the list.
*/
public Iterator iterator() {
return meta.values().iterator();
}
/**
* Adds a metadata item to the list
* @param m metadata to add
*/
public void addMetadata( Metadata m ) {
meta.put( m.getName(), m );
}
/**
* Removes a metadata item from the list
* @param m metadata to remove
*/
public void removeMetadata( Metadata m ) {
meta.remove( m.getName() );
}
/**
* Returns the metadata item with the specified name
* @param name name to search for
* @return the metadata with the given name or null if the list does not
* contain metadata with the requested name.
*/
public Metadata getMetadata( String name ) {
return meta.get( name );
}
/**
* Returns the number of items in the metadata list.
* @return the item count
*/
public int count() {
return meta.size();
}
}