1 /*

     2  * Copyright (c)  2017, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.  Oracle designates this

     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 jdk.incubator.sql2;

    26 

    27 import java.time.Duration;

    28 import java.util.function.Consumer;

    29 import java.util.function.Function;

    30 

    31 /**

    32  * An {@link Operation} that returns a count.

    33  *

    34  * @param <T> the type of the result of the {@link Operation}

    35  * @see ParameterizedCountOperation

    36  */

    37 public interface CountOperation<T> extends Operation<T> {

    38 

    39   /**

    40    * Sets the result processor for this {@link Operation}.

    41    * 

    42    * @param function processes the count produced by executing this

    43    * {@link Operation} and returns the result

    44    * @return this {@link CountOperation}

    45    * @throws IllegalStateException if this method has been called previously

    46    */

    47   public CountOperation<T> apply(Function<Result.Count, ? extends T> function);

    48 

    49   @Override

    50   public CountOperation<T> onError(Consumer<Throwable> handler);

    51 

    52   @Override

    53   public CountOperation<T> timeout(Duration minTime);

    54   

    55 }