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  */

    23 package java.util.stream;

    24 

    25 /**

    26  * An operation that injects or clears flags but otherwise performs no operation on elements.

    27  */

    28 @SuppressWarnings({"rawtypes", "unchecked"})

    29 public class FlagDeclaringOp<T> implements StatelessTestOp<T, T> {

    30     private final int flags;

    31     private final StreamShape shape;

    32 

    33     public FlagDeclaringOp(int flags) {

    34         this(flags, StreamShape.REFERENCE);

    35     }

    36 

    37     public FlagDeclaringOp(int flags, StreamShape shape) {

    38         this.flags = flags;

    39         this.shape = shape;

    40     }

    41 

    42     @Override

    43     public StreamShape outputShape() {

    44         return shape;

    45     }

    46 

    47     @Override

    48     public StreamShape inputShape() {

    49         return shape;

    50     }

    51 

    52     @Override

    53     public int opGetFlags() {

    54         return flags;

    55     }

    56 

    57     @Override

    58     public Sink<T> opWrapSink(int flags, boolean parallel, Sink sink) {

    59         return sink;

    60     }

    61 }