org.gradle.api.internaltransform.MutableConsumerVariantMatchResult Maven / Gradle / Ivy
/*
* Copyright 2017 the original author or authors.
*
* 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.gradle.api.internal.artifacts.transform;
import com.google.common.collect.Lists;
import org.gradle.api.internal.attributes.ImmutableAttributes;
import java.util.Collection;
import java.util.List;
class MutableConsumerVariantMatchResult implements ConsumerVariantMatchResult {
private int minDepth;
private final List matches;
MutableConsumerVariantMatchResult(int estimateSize) {
matches = Lists.newArrayListWithExpectedSize(estimateSize);
}
public void matched(ImmutableAttributes output, Transformation transformation, int depth) {
// Collect only the shortest paths
if (minDepth == 0) {
minDepth = depth;
} else if (depth < minDepth) {
matches.clear();
minDepth = depth;
} else if (depth > minDepth) {
return;
}
matches.add(new ConsumerVariant(output, transformation, depth));
}
@Override
public boolean hasMatches() {
return !matches.isEmpty();
}
@Override
public Collection getMatches() {
return matches;
}
public ConsumerVariantMatchResult asImmutable() {
switch(matches.size()) {
case 0:
return NoMatchConsumerVariantMatchResult.getInstance();
case 1:
return SingleMatchConsumerVariantMatchResult.of(matches.get(0));
default:
return ImmutableConsumerVariantMatchResult.of(matches);
}
}
}