/*
* Copyright 2000-2016 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 com.intellij.vcs.log.impl;
import com.intellij.ide.caches.CachesInvalidator;
import com.intellij.openapi.diagnostic.Logger;
import com.intellij.openapi.util.io.FileUtil;
import com.intellij.util.ArrayUtil;
import com.intellij.vcs.log.util.PersistentUtil;
public class VcsLogCachesInvalidator extends CachesInvalidator {
private static final Logger LOG = Logger.getInstance(VcsLogCachesInvalidator.class);
public synchronized boolean isValid() {
if (PersistentUtil.getCorruptionMarkerFile().exists()) {
boolean deleted = FileUtil.deleteWithRenaming(PersistentUtil.LOG_CACHE);
if (!deleted) {
// if could not delete caches, ensure that corruption marker is still there
FileUtil.createIfDoesntExist(PersistentUtil.getCorruptionMarkerFile());
}
else {
LOG.debug("Deleted VCS Log caches at " + PersistentUtil.LOG_CACHE);
}
return deleted;
}
return true;
}
@Override
public void invalidateCaches() {
if (PersistentUtil.LOG_CACHE.exists()) {
String[] children = PersistentUtil.LOG_CACHE.list();
if (!ArrayUtil.isEmpty(children)) {
FileUtil.createIfDoesntExist(PersistentUtil.getCorruptionMarkerFile());
}
}
}
}