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

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


   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 /**
  29  * A supplier of {@code boolean} values. This is the {@code boolean}-providing
  30  * primitive specialization of {@link Supplier}.






  31  *
  32  * @see Supplier
  33  * @since 1.8
  34  */
  35 @FunctionalInterface
  36 public interface BooleanSupplier {
  37 
  38     /**
  39      * Returns a {@code boolean} value.
  40      *
  41      * @return a {@code boolean} value
  42      */
  43     boolean getAsBoolean();
  44 }


   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 /**
  29  * Represents a supplier of {@code boolean}-valued results.  This is the
  30  * {@code boolean}-producing primitive specialization of {@link Supplier}.
  31  *
  32  * <p>There is no requirement that a new or distinct result be returned each
  33  * time the supplier is invoked.
  34  *
  35  * <p>This is a <a href="package-summary.html">functional interface</a>
  36  * whose functional method is {@link #getAsBoolean()}.
  37  *
  38  * @see Supplier
  39  * @since 1.8
  40  */
  41 @FunctionalInterface
  42 public interface BooleanSupplier {
  43 
  44     /**
  45      * Gets a result.
  46      *
  47      * @return a result
  48      */
  49     boolean getAsBoolean();
  50 }