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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.curator;
import com.yahoo.path.Path;
import org.apache.curator.framework.CuratorFramework;
import org.apache.curator.framework.recipes.cache.ChildData;
import org.apache.curator.framework.recipes.cache.PathChildrenCache;
import org.apache.curator.framework.recipes.cache.PathChildrenCacheListener;
import java.io.IOException;
import java.util.List;
import java.util.concurrent.ExecutorService;
/**
* A directory cache backed by a curator path children cache.
*
* @author bratseth
*/
class PathChildrenCacheWrapper implements Curator.DirectoryCache {
private final PathChildrenCache wrapped;
public PathChildrenCacheWrapper(CuratorFramework curatorFramework, String path, boolean cacheData, boolean dataIsCompressed, ExecutorService executorService) {
wrapped = new PathChildrenCache(curatorFramework, path, cacheData, dataIsCompressed, executorService);
}
@Override
public void start() {
try {
wrapped.start(PathChildrenCache.StartMode.BUILD_INITIAL_CACHE);
} catch (Exception e) {
throw new IllegalStateException("Could not start the Curator cache", e);
}
}
@Override
public void addListener(PathChildrenCacheListener listener) {
wrapped.getListenable().addListener(listener);
}
@Override
public List<ChildData> getCurrentData() {
return wrapped.getCurrentData();
}
@Override
public ChildData getCurrentData(Path absolutePath) {
return wrapped.getCurrentData(absolutePath.getAbsolute());
}
@Override
public void close() {
try {
wrapped.close();
} catch (IOException e) {
throw new RuntimeException("Exception closing curator cache", e);
}
}
}
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