jdk/src/java.base/share/classes/java/util/function/IntFunction.java
author chegar
Sun, 17 Aug 2014 15:54:13 +0100
changeset 25859 3317bb8137f4
parent 19040 jdk/src/share/classes/java/util/function/IntFunction.java@7b25fde2a4ed
permissions -rw-r--r--
8054834: Modular Source Code Reviewed-by: alanb, chegar, ihse, mduigou Contributed-by: alan.bateman@oracle.com, alex.buckley@oracle.com, chris.hegarty@oracle.com, erik.joelsson@oracle.com, jonathan.gibbons@oracle.com, karen.kinnear@oracle.com, magnus.ihse.bursie@oracle.com, mandy.chung@oracle.com, mark.reinhold@oracle.com, paul.sandoz@oracle.com
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
14670
964ac9f1463c 8001634: Initial set of functional interface types
mduigou
parents:
diff changeset
     1
/*
15647
314007859004 8005623: Retrofit FunctionalInterface annotations to core platform interfaces
darcy
parents: 14670
diff changeset
     2
 * Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved.
14670
964ac9f1463c 8001634: Initial set of functional interface types
mduigou
parents:
diff changeset
     3
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
964ac9f1463c 8001634: Initial set of functional interface types
mduigou
parents:
diff changeset
     4
 *
964ac9f1463c 8001634: Initial set of functional interface types
mduigou
parents:
diff changeset
     5
 * This code is free software; you can redistribute it and/or modify it
964ac9f1463c 8001634: Initial set of functional interface types
mduigou
parents:
diff changeset
     6
 * under the terms of the GNU General Public License version 2 only, as
964ac9f1463c 8001634: Initial set of functional interface types
mduigou
parents:
diff changeset
     7
 * published by the Free Software Foundation.  Oracle designates this
964ac9f1463c 8001634: Initial set of functional interface types
mduigou
parents:
diff changeset
     8
 * particular file as subject to the "Classpath" exception as provided
964ac9f1463c 8001634: Initial set of functional interface types
mduigou
parents:
diff changeset
     9
 * by Oracle in the LICENSE file that accompanied this code.
964ac9f1463c 8001634: Initial set of functional interface types
mduigou
parents:
diff changeset
    10
 *
964ac9f1463c 8001634: Initial set of functional interface types
mduigou
parents:
diff changeset
    11
 * This code is distributed in the hope that it will be useful, but WITHOUT
964ac9f1463c 8001634: Initial set of functional interface types
mduigou
parents:
diff changeset
    12
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
964ac9f1463c 8001634: Initial set of functional interface types
mduigou
parents:
diff changeset
    13
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
964ac9f1463c 8001634: Initial set of functional interface types
mduigou
parents:
diff changeset
    14
 * version 2 for more details (a copy is included in the LICENSE file that
964ac9f1463c 8001634: Initial set of functional interface types
mduigou
parents:
diff changeset
    15
 * accompanied this code).
964ac9f1463c 8001634: Initial set of functional interface types
mduigou
parents:
diff changeset
    16
 *
964ac9f1463c 8001634: Initial set of functional interface types
mduigou
parents:
diff changeset
    17
 * You should have received a copy of the GNU General Public License version
964ac9f1463c 8001634: Initial set of functional interface types
mduigou
parents:
diff changeset
    18
 * 2 along with this work; if not, write to the Free Software Foundation,
964ac9f1463c 8001634: Initial set of functional interface types
mduigou
parents:
diff changeset
    19
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
964ac9f1463c 8001634: Initial set of functional interface types
mduigou
parents:
diff changeset
    20
 *
964ac9f1463c 8001634: Initial set of functional interface types
mduigou
parents:
diff changeset
    21
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
964ac9f1463c 8001634: Initial set of functional interface types
mduigou
parents:
diff changeset
    22
 * or visit www.oracle.com if you need additional information or have any
964ac9f1463c 8001634: Initial set of functional interface types
mduigou
parents:
diff changeset
    23
 * questions.
964ac9f1463c 8001634: Initial set of functional interface types
mduigou
parents:
diff changeset
    24
 */
964ac9f1463c 8001634: Initial set of functional interface types
mduigou
parents:
diff changeset
    25
package java.util.function;
964ac9f1463c 8001634: Initial set of functional interface types
mduigou
parents:
diff changeset
    26
964ac9f1463c 8001634: Initial set of functional interface types
mduigou
parents:
diff changeset
    27
/**
19040
7b25fde2a4ed 8019840: Spec updates for java.util.function
mduigou
parents: 17695
diff changeset
    28
 * Represents a function that accepts an int-valued argument and produces a
7b25fde2a4ed 8019840: Spec updates for java.util.function
mduigou
parents: 17695
diff changeset
    29
 * result.  This is the {@code int}-consuming primitive specialization for
7b25fde2a4ed 8019840: Spec updates for java.util.function
mduigou
parents: 17695
diff changeset
    30
 * {@link Function}.
14670
964ac9f1463c 8001634: Initial set of functional interface types
mduigou
parents:
diff changeset
    31
 *
19040
7b25fde2a4ed 8019840: Spec updates for java.util.function
mduigou
parents: 17695
diff changeset
    32
 * <p>This is a <a href="package-summary.html">functional interface</a>
7b25fde2a4ed 8019840: Spec updates for java.util.function
mduigou
parents: 17695
diff changeset
    33
 * whose functional method is {@link #apply(int)}.
7b25fde2a4ed 8019840: Spec updates for java.util.function
mduigou
parents: 17695
diff changeset
    34
 *
7b25fde2a4ed 8019840: Spec updates for java.util.function
mduigou
parents: 17695
diff changeset
    35
 * @param <R> the type of the result of the function
14670
964ac9f1463c 8001634: Initial set of functional interface types
mduigou
parents:
diff changeset
    36
 *
16011
890a7ed97f6c 8004561: Additional functional interfaces, extension methods and name changes
mduigou
parents: 15647
diff changeset
    37
 * @see Function
14670
964ac9f1463c 8001634: Initial set of functional interface types
mduigou
parents:
diff changeset
    38
 * @since 1.8
964ac9f1463c 8001634: Initial set of functional interface types
mduigou
parents:
diff changeset
    39
 */
15647
314007859004 8005623: Retrofit FunctionalInterface annotations to core platform interfaces
darcy
parents: 14670
diff changeset
    40
@FunctionalInterface
16011
890a7ed97f6c 8004561: Additional functional interfaces, extension methods and name changes
mduigou
parents: 15647
diff changeset
    41
public interface IntFunction<R> {
14670
964ac9f1463c 8001634: Initial set of functional interface types
mduigou
parents:
diff changeset
    42
964ac9f1463c 8001634: Initial set of functional interface types
mduigou
parents:
diff changeset
    43
    /**
19040
7b25fde2a4ed 8019840: Spec updates for java.util.function
mduigou
parents: 17695
diff changeset
    44
     * Applies this function to the given argument.
14670
964ac9f1463c 8001634: Initial set of functional interface types
mduigou
parents:
diff changeset
    45
     *
19040
7b25fde2a4ed 8019840: Spec updates for java.util.function
mduigou
parents: 17695
diff changeset
    46
     * @param value the function argument
16011
890a7ed97f6c 8004561: Additional functional interfaces, extension methods and name changes
mduigou
parents: 15647
diff changeset
    47
     * @return the function result
14670
964ac9f1463c 8001634: Initial set of functional interface types
mduigou
parents:
diff changeset
    48
     */
17695
032254f2467b 8004015: Additional static and instance utils for functional interfaces.
mduigou
parents: 16011
diff changeset
    49
    R apply(int value);
14670
964ac9f1463c 8001634: Initial set of functional interface types
mduigou
parents:
diff changeset
    50
}