src/share/classes/java/util/function/DoubleToLongFunction.java

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rev 7675 : 8019840: Spec updates for java.util.function
Reviewed-by: mduigou
Contributed-by: brian.goetz@oracle.com


   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  */
  25 package java.util.function;
  26 
  27 /**
  28  * Apply a function to the input argument, yielding an appropriate result.
  29  * This is the {@code double}-to-{@code long} specialization for {@link Function}.




  30  *
  31  * @see Function
  32  * @see LongToDoubleFunction
  33  * @see IntToLongFunction
  34  * @since 1.8
  35  */
  36 @FunctionalInterface
  37 public interface DoubleToLongFunction {
  38 
  39     /**
  40      * Compute the result of applying the function to the input arguments.
  41      *
  42      * @param value the input value
  43      * @return the function result value
  44      */
  45     long applyAsLong(double value);
  46 }


   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  */
  25 package java.util.function;
  26 
  27 /**
  28  * Represents a function that accepts a double-valued argument and produces a
  29  * long-valued result.  This is the {@code double}-to-{@code long} primitive
  30  * specialization for {@link Function}.
  31  *
  32  * <p>This is a <a href="package-summary.html">functional interface</a>
  33  * whose functional method is {@link #applyAsLong(double)}.
  34  *
  35  * @see Function


  36  * @since 1.8
  37  */
  38 @FunctionalInterface
  39 public interface DoubleToLongFunction {
  40 
  41     /**
  42      * Applies this function to the given argument.
  43      *
  44      * @param value the function argument
  45      * @return the function result
  46      */
  47     long applyAsLong(double value);
  48 }