| /* |
| * Copyright (c) 2011-2013, Niclas Hedhman. All Rights Reserved. |
| * Copyright (c) 2014, Paul Merlin. 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. |
| * 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.zest.runtime.value; |
| |
| import java.util.Iterator; |
| import java.util.Map; |
| import org.apache.zest.api.entity.EntityReference; |
| import org.apache.zest.spi.entity.NamedAssociationState; |
| |
| public class NamedAssociationValueState |
| implements NamedAssociationState |
| { |
| private final Map<String, EntityReference> references; |
| |
| public NamedAssociationValueState( Map<String, EntityReference> references ) |
| { |
| this.references = references; |
| } |
| |
| @Override |
| public int count() |
| { |
| return references.size(); |
| } |
| |
| @Override |
| public boolean containsName( String name ) |
| { |
| return references.containsKey( name ); |
| } |
| |
| @Override |
| public boolean put( String name, EntityReference entityReference ) |
| { |
| return references.put( name, entityReference ) != null; |
| } |
| |
| @Override |
| public boolean remove( String name ) |
| { |
| return references.remove( name ) != null; |
| } |
| |
| @Override |
| public EntityReference get( String name ) |
| { |
| return references.get( name ); |
| } |
| |
| @Override |
| public String nameOf( EntityReference entityReference ) |
| { |
| for( Map.Entry<String, EntityReference> entry : references.entrySet() ) |
| { |
| if( entry.getValue().equals( entityReference ) ) |
| { |
| return entry.getKey(); |
| } |
| } |
| return null; |
| } |
| |
| @Override |
| public Iterator<String> iterator() |
| { |
| return references.keySet().iterator(); |
| } |
| } |