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

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rev 6137 : 8004015: Add Extends and deaults for basic functional interface types
Summary: Adds the appropriate extends and default methods for  core functional interfaces used by the JSR335 libraries.
Reviewed-by: duke


  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  * An operation on two {@code long} operands yielding a {@code long} result.
  29  *
  30  * @since 1.8
  31  */
  32 public interface LongBinaryOperator {



  33 
  34     /**
  35      * Returns the {@code long} result of the operation upon the {@code long}
  36      * operands. The parameters are named {@code left} and {@code right} for
  37      * operations where the order of parameters matters.
  38      *
  39      * @param left the left operand value
  40      * @param right  the right operand value
  41      * @return the result of the operation
  42      */
  43     public long operateAsLong(long left, long right);
  44 }


  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  * An operation on two {@code long} operands yielding a {@code long} result.
  29  *
  30  * @since 1.8
  31  */
  32 public interface LongBinaryOperator extends BinaryOperator<Long> {
  33 
  34     @Override
  35     public default Long operate(Long left, Long right) { return operateAsLong((long) left, (long) right); }
  36 
  37     /**
  38      * Returns the {@code long} result of the operation upon the {@code long}
  39      * operands. The parameters are named {@code left} and {@code right} for
  40      * operations where the order of parameters matters.
  41      *
  42      * @param left the left operand value
  43      * @param right  the right operand value
  44      * @return the result of the operation
  45      */
  46     public long operateAsLong(long left, long right);
  47 }