| /* |
| * Copyright 2000-2012 JetBrains s.r.o. |
| * |
| * 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.jetbrains.jps.incremental.storage; |
| |
| import com.intellij.openapi.diagnostic.Logger; |
| import com.intellij.openapi.util.Key; |
| import com.intellij.openapi.util.io.FileUtil; |
| import com.intellij.openapi.util.text.StringUtil; |
| import com.intellij.util.SmartList; |
| import gnu.trove.THashSet; |
| import org.jetbrains.jps.builders.BuildTarget; |
| import org.jetbrains.jps.incremental.CompileContext; |
| import org.jetbrains.jps.incremental.GlobalContextKey; |
| import org.jetbrains.jps.incremental.ModuleBuildTarget; |
| import org.jetbrains.jps.model.module.JpsModule; |
| |
| import java.io.*; |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.Set; |
| |
| /** |
| * @author nik |
| */ |
| public class BuildTargetConfiguration { |
| public static final Key<Set<JpsModule>> MODULES_WITH_TARGET_CONFIG_CHANGED_KEY = GlobalContextKey.create("_modules_with_target_config_changed_"); |
| private static final Logger LOG = Logger.getInstance(BuildTargetConfiguration.class); |
| private final BuildTarget<?> myTarget; |
| private final BuildTargetsState myTargetsState; |
| private String myConfiguration; |
| private volatile String myCurrentState; |
| private static final GlobalContextKey<Set<File>> ALL_DELETED_ROOTS_KEY = GlobalContextKey.create("_all_deleted_output_roots_"); |
| |
| public BuildTargetConfiguration(BuildTarget<?> target, BuildTargetsState targetsState) { |
| myTarget = target; |
| myTargetsState = targetsState; |
| myConfiguration = load(); |
| } |
| |
| private String load() { |
| File configFile = getConfigFile(); |
| if (configFile.exists()) { |
| try { |
| return new String(FileUtil.loadFileText(configFile)); |
| } |
| catch (IOException e) { |
| LOG.info("Cannot load configuration of " + myTarget); |
| } |
| } |
| return ""; |
| } |
| |
| public boolean isTargetDirty(CompileContext context) { |
| final String currentState = getCurrentState(context); |
| if (!currentState.equals(myConfiguration)) { |
| LOG.debug(myTarget + " configuration was changed:"); |
| LOG.debug("Old:"); |
| LOG.debug(myConfiguration); |
| LOG.debug("New:"); |
| LOG.debug(currentState); |
| LOG.debug(myTarget + " will be recompiled"); |
| if (myTarget instanceof ModuleBuildTarget) { |
| final JpsModule module = ((ModuleBuildTarget)myTarget).getModule(); |
| synchronized (MODULES_WITH_TARGET_CONFIG_CHANGED_KEY) { |
| Set<JpsModule> modules = MODULES_WITH_TARGET_CONFIG_CHANGED_KEY.get(context); |
| if (modules == null) { |
| MODULES_WITH_TARGET_CONFIG_CHANGED_KEY.set(context, modules = new THashSet<JpsModule>()); |
| } |
| modules.add(module); |
| } |
| } |
| return true; |
| } |
| return false; |
| } |
| |
| public void save(CompileContext context) { |
| try { |
| File configFile = getConfigFile(); |
| FileUtil.createParentDirs(configFile); |
| Writer out = new BufferedWriter(new FileWriter(configFile)); |
| try { |
| String current = getCurrentState(context); |
| out.write(current); |
| myConfiguration = current; |
| } |
| finally { |
| out.close(); |
| } |
| } |
| catch (IOException e) { |
| LOG.info("Cannot save configuration of " + myConfiguration, e); |
| } |
| } |
| |
| private File getConfigFile() { |
| return new File(myTargetsState.getDataPaths().getTargetDataRoot(myTarget), "config.dat"); |
| } |
| |
| private File getNonexistentOutputsFile() { |
| return new File(myTargetsState.getDataPaths().getTargetDataRoot(myTarget), "nonexistent-outputs.dat"); |
| } |
| |
| private String getCurrentState(CompileContext context) { |
| String state = myCurrentState; |
| if (state == null) { |
| myCurrentState = state = saveToString(context); |
| } |
| return state; |
| } |
| |
| private String saveToString(CompileContext context) { |
| StringWriter out = new StringWriter(); |
| //noinspection IOResourceOpenedButNotSafelyClosed |
| myTarget.writeConfiguration(context.getProjectDescriptor(), new PrintWriter(out)); |
| return out.toString(); |
| } |
| |
| public void storeNonexistentOutputRoots(CompileContext context) throws IOException { |
| Collection<File> outputRoots = myTarget.getOutputRoots(context); |
| List<String> nonexistentOutputRoots = new SmartList<String>(); |
| for (File root : outputRoots) { |
| if (!root.exists()) { |
| nonexistentOutputRoots.add(root.getAbsolutePath()); |
| } |
| } |
| File file = getNonexistentOutputsFile(); |
| if (nonexistentOutputRoots.isEmpty()) { |
| file.delete(); |
| } |
| else { |
| FileUtil.writeToFile(file, StringUtil.join(nonexistentOutputRoots, "\n")); |
| } |
| } |
| |
| public boolean outputRootWasDeleted(CompileContext context) throws IOException { |
| List<String> nonexistentOutputRoots = new SmartList<String>(); |
| |
| final Collection<File> targetRoots = myTarget.getOutputRoots(context); |
| synchronized (ALL_DELETED_ROOTS_KEY) { |
| Set<File> allDeletedRoots = ALL_DELETED_ROOTS_KEY.get(context); |
| for (File outputRoot : targetRoots) { |
| boolean wasDeleted = allDeletedRoots != null && allDeletedRoots.contains(outputRoot); |
| if (!wasDeleted) { |
| wasDeleted = !outputRoot.exists(); |
| if (wasDeleted) { |
| if (allDeletedRoots == null) { // lazy init |
| allDeletedRoots = new THashSet<File>(FileUtil.FILE_HASHING_STRATEGY); |
| ALL_DELETED_ROOTS_KEY.set(context, allDeletedRoots); |
| } |
| allDeletedRoots.add(outputRoot); |
| } |
| } |
| if (wasDeleted) { |
| nonexistentOutputRoots.add(outputRoot.getAbsolutePath()); |
| } |
| } |
| } |
| |
| if (nonexistentOutputRoots.isEmpty()) { |
| return false; |
| } |
| |
| Set<String> storedNonExistentOutputs; |
| File file = getNonexistentOutputsFile(); |
| if (!file.exists()) { |
| storedNonExistentOutputs = Collections.emptySet(); |
| } |
| else { |
| List<String> lines = StringUtil.split(FileUtil.loadFile(file), "\n"); |
| storedNonExistentOutputs = new THashSet<String>(lines, FileUtil.PATH_HASHING_STRATEGY); |
| } |
| return !storedNonExistentOutputs.containsAll(nonexistentOutputRoots); |
| } |
| } |