org.apache.flink.runtime.entrypoint.component.AbstractUserClassPathJobGraphRetriever Maven / Gradle / Ivy
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* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
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* 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,
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* limitations under the License.
*/
package org.apache.flink.runtime.entrypoint.component;
import org.apache.flink.util.FileUtils;
import org.apache.flink.util.function.FunctionUtils;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import java.io.File;
import java.io.IOException;
import java.net.URL;
import java.nio.file.Path;
import java.util.Collection;
import java.util.Collections;
import java.util.stream.Collectors;
/**
* Abstract class for the JobGraphRetriever which supports getting user classpaths.
*/
public abstract class AbstractUserClassPathJobGraphRetriever implements JobGraphRetriever {
/** User classpaths in relative form to the working directory. */
@Nonnull
private final Collection userClassPaths;
protected AbstractUserClassPathJobGraphRetriever(@Nullable File jobDir) throws IOException {
if (jobDir == null) {
userClassPaths = Collections.emptyList();
} else {
final Path workingDirectory = FileUtils.getCurrentWorkingDirectory();
final Collection relativeJarURLs = FileUtils.listFilesInDirectory(jobDir.toPath(), FileUtils::isJarFile)
.stream()
.map(path -> FileUtils.relativizePath(workingDirectory, path))
.map(FunctionUtils.uncheckedFunction(FileUtils::toURL))
.collect(Collectors.toList());
this.userClassPaths = Collections.unmodifiableCollection(relativeJarURLs);
}
}
protected Collection getUserClassPaths() {
return userClassPaths;
}
}