1/* 2 * Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23package org.openjdk.testlib.java.util.stream; 24 25import java.util.stream.Sink; 26import java.util.stream.StreamShape; 27 28/** 29 * An operation that injects or clears flags but otherwise performs no operation on elements. 30 */ 31@SuppressWarnings({"rawtypes", "unchecked"}) 32public class FlagDeclaringOp<T> implements StatelessTestOp<T, T> { 33 private final int flags; 34 private final StreamShape shape; 35 36 public FlagDeclaringOp(int flags) { 37 this(flags, StreamShape.REFERENCE); 38 } 39 40 public FlagDeclaringOp(int flags, StreamShape shape) { 41 this.flags = flags; 42 this.shape = shape; 43 } 44 45 @Override 46 public StreamShape outputShape() { 47 return shape; 48 } 49 50 @Override 51 public StreamShape inputShape() { 52 return shape; 53 } 54 55 @Override 56 public int opGetFlags() { 57 return flags; 58 } 59 60 @Override 61 public Sink<T> opWrapSink(int flags, boolean parallel, Sink sink) { 62 return sink; 63 } 64} 65