/**
* Copyright (C) 2012-2017 52°North Initiative for Geospatial Open Source
* Software GmbH
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published
* by the Free Software Foundation.
*
* If the program is linked with libraries which are licensed under one of
* the following licenses, the combination of the program with the linked
* library is not considered a "derivative work" of the program:
*
* - Apache License, version 2.0
* - Apache Software License, version 1.0
* - GNU Lesser General Public License, version 3
* - Mozilla Public License, versions 1.0, 1.1 and 2.0
* - Common Development and Distribution License (CDDL), version 1.0
*
* Therefore the distribution of the program linked with libraries licensed
* under the aforementioned licenses, is permitted by the copyright holders
* if the distribution is compliant with both the GNU General Public
* License version 2 and the aforementioned licenses.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
* Public License for more details.
*/
package org.n52.sos.util;
import java.io.Serializable;
import java.util.Collection;
import java.util.HashMap;
import java.util.Map;
/**
* Abstract implementation that delegates to a {@link HashMap}.
*
* @param <K>
* the key type
* @param <V>
* the value type
* @param <C>
* the collection type
*
* @author Christian Autermann <c.autermann@52north.org>
* @since 4.0.0
*
*/
public abstract class AbstractMultiHashMap<K, V, C extends Collection<V>> extends AbstractDelegatingMultiMap<K, V, C>
implements MultiMap<K, V, C>, Map<K, C>, Serializable {
private static final long serialVersionUID = 5980618435134246476L;
private final Map<K, C> delegate;
public AbstractMultiHashMap(Map<? extends K, ? extends C> m) {
delegate = new HashMap<K, C>(m);
}
public AbstractMultiHashMap(int initialCapacity) {
delegate = new HashMap<K, C>(initialCapacity);
}
public AbstractMultiHashMap(int initialCapacity, float loadFactor) {
delegate = new HashMap<K, C>(initialCapacity, loadFactor);
}
public AbstractMultiHashMap() {
this.delegate = new HashMap<K, C>();
}
@Override
protected Map<K, C> getDelegate() {
return delegate;
}
}