org.apache.flink.runtime.execution.librarycache.FallbackLibraryCacheManager Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.flink.runtime.execution.librarycache;
import org.apache.flink.runtime.blob.BlobKey;
import org.apache.flink.runtime.executiongraph.ExecutionAttemptID;
import org.apache.flink.api.common.JobID;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.File;
import java.io.IOException;
import java.net.URL;
import java.util.Collection;
public class FallbackLibraryCacheManager implements LibraryCacheManager {
private static Logger LOG = LoggerFactory.getLogger(FallbackLibraryCacheManager.class);
@Override
public ClassLoader getClassLoader(JobID id) {
return getClass().getClassLoader();
}
@Override
public File getFile(BlobKey blobKey) throws IOException {
throw new IOException("There is no file associated to the blob key " + blobKey);
}
@Override
public void registerJob(JobID id, Collection requiredJarFiles, Collection requiredClasspaths) {
LOG.warn("FallbackLibraryCacheManager cannot download files associated with blob keys.");
}
@Override
public void registerTask(JobID id, ExecutionAttemptID execution, Collection requiredJarFiles,
Collection requiredClasspaths) {
LOG.warn("FallbackLibraryCacheManager cannot download files associated with blob keys.");
}
@Override
public void unregisterJob(JobID id) {
LOG.warn("FallbackLibraryCacheManager does not book keeping of job IDs.");
}
@Override
public void unregisterTask(JobID id, ExecutionAttemptID execution) {
LOG.warn("FallbackLibraryCacheManager does not book keeping of job IDs.");
}
@Override
public void shutdown() {}
}