/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.apache.wayang.core.profiling;

import org.apache.wayang.core.plan.executionplan.Channel;
import org.apache.wayang.core.plan.executionplan.ExecutionStage;

import java.util.Arrays;

/**
 * Instruments only outbound {@link Channel}s.
 */
public class FullInstrumentationStrategy implements InstrumentationStrategy {

    @Override
    public void applyTo(ExecutionStage stage) {
        stage.getAllTasks().stream()
                .flatMap(task -> Arrays.stream(task.getOutputChannels()))
                .forEach(Channel::markForInstrumentation);
    }
}