com.facebook.buck.rules.TargetGroup.java Source code

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Here is the source code for com.facebook.buck.rules.TargetGroup.java

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/*
 * Copyright 2016-present Facebook, Inc.
 *
 * 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.facebook.buck.rules;

import com.facebook.buck.model.BuildTarget;
import com.facebook.buck.model.HasBuildTarget;
import com.google.common.collect.ImmutableSet;

import java.util.Iterator;
import java.util.Map;
import java.util.Optional;
import java.util.Set;

public class TargetGroup implements Iterable<BuildTarget>, HasBuildTarget {

    private final ImmutableSet<BuildTarget> targets;
    private final boolean restrictOutboundVisibility;

    private final BuildTarget buildTarget;

    public TargetGroup(Set<BuildTarget> targets, Optional<Boolean> restrictOutboundVisibility,
            BuildTarget buildTarget) {
        this.buildTarget = buildTarget;
        this.targets = ImmutableSet.copyOf(targets);
        this.restrictOutboundVisibility = restrictOutboundVisibility.orElse(false);
    }

    public boolean containsTarget(BuildTarget target) {
        return targets.contains(target);
    }

    public boolean restrictsOutboundVisibility() {
        return restrictOutboundVisibility;
    }

    @Override
    public Iterator<BuildTarget> iterator() {
        return targets.iterator();
    }

    @Override
    public BuildTarget getBuildTarget() {
        return buildTarget;
    }

    public TargetGroup withReplacedTargets(Map<BuildTarget, Iterable<BuildTarget>> replacements) {
        ImmutableSet.Builder<BuildTarget> newTargets = ImmutableSet.builder();
        for (BuildTarget existingTarget : targets) {
            if (replacements.containsKey(existingTarget)) {
                newTargets.addAll(replacements.get(existingTarget));
            } else {
                newTargets.add(existingTarget);
            }
        }
        return new TargetGroup(newTargets.build(), Optional.of(restrictOutboundVisibility), buildTarget);
    }
}