Java tutorial
/* * Copyright (C) 2013 The Calrissian Authors * * 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.calrissian.mango.collect.mock; import com.google.common.io.Closeables; import org.calrissian.mango.collect.CloseableIterable; import java.io.IOException; import java.util.Iterator; public class MockIterable<T> implements CloseableIterable<T> { private boolean closed = false; public Iterable<T> internal; public MockIterable(Iterable<T> internal) { this.internal = internal; } @Override public void closeQuietly() { try { Closeables.close(this, true); } catch (IOException e) { // IOException should not have been thrown } } @Override public void close() throws IOException { closed = true; } @Override public Iterator<T> iterator() { if (closed) throw new IllegalStateException("Iterable is already closed"); return internal.iterator(); } public boolean isClosed() { return closed; } }