org.jooq.lambda.WindowSpecificationImpl Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of jool Show documentation

jOOλ is part of the jOOQ series (along with jOOQ, jOOX, jOOR, jOOU) providing some useful extensions to Java 8 lambdas.

There is a newer version: 0.9.15

/**
 * Copyright (c) 2014-2016, Data Geekery GmbH, [email protected]
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.jooq.lambda;

import java.util.Comparator;
import java.util.Optional;
import java.util.function.Function;

/**
 * @author Lukas Eder
 */
class WindowSpecificationImpl implements WindowSpecification {

    private final Function partition;
    private final Comparator order;
    private final long lower;
    private final long upper;

    WindowSpecificationImpl(Function partition, Comparator order, long lower, long upper) {
        this.partition = partition;
        this.order = order;
        this.lower = lower;
        this.upper = upper;
    }
    
    @Override
    public Function partition() {
        return partition;
    }

    @Override
    public Optional> order() {
        return Optional.ofNullable(order);
    }

    @Override
    public long lower() {
        return lower;
    }

    @Override
    public long upper() {
        return upper;
    }
}