/*
* Copyright 2014 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.tasks.compile.incremental.jar;
import com.google.common.collect.Sets;
import org.gradle.api.internal.tasks.compile.incremental.deps.ClassSetAnalysis;
import org.gradle.api.internal.tasks.compile.incremental.deps.DependentsSet;
import java.io.File;
import java.util.Collections;
import java.util.Map;
import java.util.Set;
public class PreviousCompilation {
private ClassSetAnalysis analysis;
private LocalJarClasspathSnapshotStore classpathSnapshotStore;
private final JarSnapshotCache jarSnapshotCache;
private Map<File, JarSnapshot> jarSnapshots;
public PreviousCompilation(ClassSetAnalysis analysis, LocalJarClasspathSnapshotStore classpathSnapshotStore, JarSnapshotCache jarSnapshotCache) {
this.analysis = analysis;
this.classpathSnapshotStore = classpathSnapshotStore;
this.jarSnapshotCache = jarSnapshotCache;
}
public DependentsSet getDependents(Set<String> allClasses, Set<Integer> constants) {
return analysis.getRelevantDependents(allClasses, constants);
}
public String getClassName(String path) {
return analysis.getData().getClassNameForFile(path);
}
public JarSnapshot getJarSnapshot(File file) {
if (jarSnapshots == null) {
JarClasspathSnapshotData data = classpathSnapshotStore.get();
jarSnapshots = jarSnapshotCache.getJarSnapshots(data.getJarHashes());
}
return jarSnapshots.get(file);
}
public DependentsSet getDependents(String className, Set<Integer> newConstants) {
Set<Integer> constants = Sets.difference(analysis.getData().getConstants(className), newConstants);
return analysis.getRelevantDependents(className, constants);
}
public Map<File, JarSnapshot> getJarSnapshots() {
if (jarSnapshots == null) {
JarClasspathSnapshotData data = classpathSnapshotStore.get();
jarSnapshots = jarSnapshotCache.getJarSnapshots(data.getJarHashes());
}
return Collections.unmodifiableMap(jarSnapshots);
}
}