Mercurial > hg > openjdk > jigsaw > jdk
changeset 7271:863da64214e8
8010948: Add conversion functional interfaces
Reviewed-by: mduigou, dholmes
Contributed-by: Brian Goetz <brian.goetz@oracle.com>
author | mduigou |
---|---|
date | Wed, 10 Apr 2013 14:06:21 -0700 |
parents | 50bc8e085a09 |
children | b0458dd21ba6 |
files | src/share/classes/java/util/function/DoubleToIntFunction.java src/share/classes/java/util/function/DoubleToLongFunction.java src/share/classes/java/util/function/IntToDoubleFunction.java src/share/classes/java/util/function/IntToLongFunction.java src/share/classes/java/util/function/LongToDoubleFunction.java src/share/classes/java/util/function/LongToIntFunction.java |
diffstat | 6 files changed, 276 insertions(+), 0 deletions(-) [+] |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/share/classes/java/util/function/DoubleToIntFunction.java Wed Apr 10 14:06:21 2013 -0700 @@ -0,0 +1,46 @@ +/* + * Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. Oracle designates this + * particular file as subject to the "Classpath" exception as provided + * by Oracle in the LICENSE file that accompanied this code. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + */ +package java.util.function; + +/** + * Apply a function to the input argument, yielding an appropriate result. + * This is the {@code double}-to-{@code int} specialization for {@link Function}. + * + * @see Function + * @see IntToDoubleFunction + * @see LongToIntFunction + * @since 1.8 + */ +@FunctionalInterface +public interface DoubleToIntFunction { + + /** + * Compute the result of applying the function to the input arguments. + * + * @param value the input value + * @return the function result value + */ + int applyAsInt(double value); +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/share/classes/java/util/function/DoubleToLongFunction.java Wed Apr 10 14:06:21 2013 -0700 @@ -0,0 +1,46 @@ +/* + * Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. Oracle designates this + * particular file as subject to the "Classpath" exception as provided + * by Oracle in the LICENSE file that accompanied this code. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + */ +package java.util.function; + +/** + * Apply a function to the input argument, yielding an appropriate result. + * This is the {@code double}-to-{@code long} specialization for {@link Function}. + * + * @see Function + * @see LongToDoubleFunction + * @see IntToLongFunction + * @since 1.8 + */ +@FunctionalInterface +public interface DoubleToLongFunction { + + /** + * Compute the result of applying the function to the input arguments. + * + * @param value the input value + * @return the function result value + */ + long applyAsLong(double value); +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/share/classes/java/util/function/IntToDoubleFunction.java Wed Apr 10 14:06:21 2013 -0700 @@ -0,0 +1,46 @@ +/* + * Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. Oracle designates this + * particular file as subject to the "Classpath" exception as provided + * by Oracle in the LICENSE file that accompanied this code. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + */ +package java.util.function; + +/** + * Apply a function to the input argument, yielding an appropriate result. + * This is the {@code int}-to-{@code double} specialization for {@link Function}. + * + * @see Function + * @see DoubleToIntFunction + * @see LongToDoubleFunction + * @since 1.8 + */ +@FunctionalInterface +public interface IntToDoubleFunction { + + /** + * Compute the result of applying the function to the input arguments. + * + * @param value the input value + * @return the function result value + */ + double applyAsDouble(int value); +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/share/classes/java/util/function/IntToLongFunction.java Wed Apr 10 14:06:21 2013 -0700 @@ -0,0 +1,46 @@ +/* + * Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. Oracle designates this + * particular file as subject to the "Classpath" exception as provided + * by Oracle in the LICENSE file that accompanied this code. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + */ +package java.util.function; + +/** + * Apply a function to the input argument, yielding an appropriate result. + * This is the {@code int}-to-{@code long} specialization for {@link Function}. + * + * @see Function + * @see LongToIntFunction + * @see DoubleToLongFunction + * @since 1.8 + */ +@FunctionalInterface +public interface IntToLongFunction { + + /** + * Compute the result of applying the function to the input arguments. + * + * @param value the input value + * @return the function result value + */ + long applyAsLong(int value); +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/share/classes/java/util/function/LongToDoubleFunction.java Wed Apr 10 14:06:21 2013 -0700 @@ -0,0 +1,46 @@ +/* + * Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. Oracle designates this + * particular file as subject to the "Classpath" exception as provided + * by Oracle in the LICENSE file that accompanied this code. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + */ +package java.util.function; + +/** + * Apply a function to the input argument, yielding an appropriate result. + * This is the {@code long}-to-{@code double} specialization for {@link Function}. + * + * @see Function + * @see DoubleToLongFunction + * @see IntToDoubleFunction + * @since 1.8 + */ +@FunctionalInterface +public interface LongToDoubleFunction { + + /** + * Compute the result of applying the function to the input arguments. + * + * @param value the input value + * @return the function result value + */ + double applyAsDouble(long value); +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/share/classes/java/util/function/LongToIntFunction.java Wed Apr 10 14:06:21 2013 -0700 @@ -0,0 +1,46 @@ +/* + * Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. Oracle designates this + * particular file as subject to the "Classpath" exception as provided + * by Oracle in the LICENSE file that accompanied this code. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + */ +package java.util.function; + +/** + * Apply a function to the input argument, yielding an appropriate result. + * This is the {@code long}-to-{@code int} specialization for {@link Function}. + * + * @see Function + * @see IntToLongFunction + * @see DoubleToIntFunction + * @since 1.8 + */ +@FunctionalInterface +public interface LongToIntFunction { + + /** + * Compute the result of applying the function to the input arguments. + * + * @param value the input value + * @return the function result value + */ + int applyAsInt(long value); +}