/* * JBoss, Home of Professional Open Source * Copyright 2014, Red Hat, Inc., and individual contributors * by the @authors tag. See the copyright.txt in the distribution for a * full listing of individual contributors. * * 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.jboss.weld.util.collections; import java.util.AbstractMap; import java.util.Map; import org.jboss.weld.exceptions.UnsupportedOperationException; /** * Common implementation for all immutable map implementations. * * @author Jozef Hartinger * @see WELD-1753 * * @param <K> the key type * @param <V> the value type */ public abstract class AbstractImmutableMap<K, V> extends AbstractMap<K, V> { @Override public boolean isEmpty() { return false; } @Override public V put(K key, V value) { throw new UnsupportedOperationException(); } @Override public V remove(Object key) { throw new UnsupportedOperationException(); } @Override public void putAll(Map<? extends K, ? extends V> m) { throw new UnsupportedOperationException(); } @Override public void clear() { throw new UnsupportedOperationException(); } }