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