/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2011, Red Hat, Inc. and/or its affiliates or third-party contributors as
* indicated by the @author tags or express copyright attribution
* statements applied by the authors. All third-party contributions are
* distributed under license by Red Hat, Inc.
*
* This copyrighted material is made available to anyone wishing to use, modify,
* copy, or redistribute it subject to the terms and conditions of the GNU
* Lesser General Public License, as published by the Free Software Foundation.
*
* 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 Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this distribution; if not, write to:
* Free Software Foundation, Inc.
* 51 Franklin Street, Fifth Floor
* Boston, MA 02110-1301 USA
*/
package org.hibernate.search.util.impl;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Set;
import java.util.SortedMap;
import java.util.TreeMap;
/**
* Provides some methods for simplified collection instantiation.
*
* @author Gunnar Morling
* @author Hardy Ferentschik
*/
public class CollectionHelper {
public static <K, V> HashMap<K, V> newHashMap() {
return new HashMap<K, V>();
}
public static <K, V> SortedMap<K, V> newSortedMap() {
return new TreeMap<K, V>();
}
public static <T> HashSet<T> newHashSet() {
return new HashSet<T>();
}
public static <T> ArrayList<T> newArrayList() {
return new ArrayList<T>();
}
public static <T> Set<T> asSet(T... ts) {
return new HashSet<T>( Arrays.asList( ts ) );
}
}