/*
 * Copyright 2019 Scott Logic Ltd
 *
 * 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 com.scottlogic.datahelix.generator.core.generation;

import com.scottlogic.datahelix.generator.common.output.GeneratedObject;
import com.scottlogic.datahelix.generator.core.profile.Profile;

import java.util.stream.Stream;

public class LimitingDataGenerator implements DataGenerator {
    private final DataGenerator dataGenerator;
    private final long maxRows;

    //created by DataGeneratorProvider
    public LimitingDataGenerator(
        DataGenerator dataGenerator,
        long maxRows) {
        this.dataGenerator = dataGenerator;
        this.maxRows = maxRows;
    }

    @Override
    public Stream<GeneratedObject> generateData(Profile profile) {
        return dataGenerator.generateData(profile)
            .limit(maxRows);
    }
}
