jdk8-mips64-public/langtools: test/tools/javac/lambda/lambdaExecution/TPredicate.java@5ddecb91d843

8009545: Graph inference: dependencies between inference variables should be set during incorporation
Summary: Move all transitivity checks into the incorporation round
Reviewed-by: jjg

     1 /*

     2  * Copyright (c) 2010, 2011, 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.  Oracle designates this

     8  * particular file as subject to the "Classpath" exception as provided

     9  * by Oracle in the LICENSE file that accompanied this code.

    10  *

    11  * This code is distributed in the hope that it will be useful, but WITHOUT

    12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    14  * version 2 for more details (a copy is included in the LICENSE file that

    15  * accompanied this code).

    16  *

    17  * You should have received a copy of the GNU General Public License version

    18  * 2 along with this work; if not, write to the Free Software Foundation,

    19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    20  *

    21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    22  * or visit www.oracle.com if you need additional information or have any

    23  * questions.

    24  */

    26 /**

    27  * Determines if the input object matches some criteria.

    28  *

    29  * <p>All predicate implementations are expected to:

    30  * <ul>

    31  *  <li>Provide stable results such that for any {@code t} the result of two

    32  * {@code eval} operations are always equivalent. ie.<pre>

    33  * boolean one = predicate.test(a);

    34  * boolean two = predicate.test(a);

    35  *

    36  * assert one == two;

    37  * </pre></li>

    38  * <li>Equivalent input objects should map to equivalent output objects. ie.<pre>

    39  * assert a.equals(b);  // a and b are equivalent

    40  *

    41  * boolean x = predicate.test(a);

    42  * boolean y = predicate.test(ab;

    43  *

    44  * assert x == y; // their test results should be the same.

    45  * </pre></li>

    46  * <li>The predicate should not modify the input object in any way that would

    47  * change the evaluation.</li>

    48  * <li>When used for aggregate operations upon many elements predicates

    49  * should not assume that the {@code test} operation will be called upon

    50  * elements in any specific order.</li>

    51  * </ul>

    52  *

    53  * @param <T> the type of input objects provided to {@code test}.

    54  */

    55 public interface TPredicate<T> {

    57     /**

    58      * Return {@code true} if the input object matches some criteria.

    59      *

    60      * @param t the input object.

    61      * @return {@code true} if the input object matched some criteria.

    62      */

    63      boolean test(T t);

    64 }

Mercurial > jdk8-mips64-public > langtools / file revision

test/tools/javac/lambda/lambdaExecution/TPredicate.java@5ddecb91d843

test/tools/javac/lambda/lambdaExecution/TPredicate.java