/*
 * 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.executiongraph;

import org.apache.flink.api.common.ExecutionConfig;
import org.apache.flink.api.common.JobID;
import org.apache.flink.configuration.Configuration;
import org.apache.flink.runtime.blob.BlobKey;
import org.apache.flink.util.Preconditions;
import org.apache.flink.util.SerializedValue;

import java.io.Serializable;
import java.net.URL;
import java.util.Collection;

/**
 * Container class for job information which is stored in the {@link ExecutionGraph}.
 */
public class JobInformation implements Serializable {

	private static final long serialVersionUID = 8367087049937822140L;

	/** Id of the job */
	private final JobID jobId;

	/** Job name */
	private final String jobName;

	/** Serialized execution config because it can contain user code classes */
	private final SerializedValue<ExecutionConfig> serializedExecutionConfig;

	/** Configuration of the job */
	private final Configuration jobConfiguration;

	/** Blob keys for the required jar files */
	private final Collection<BlobKey> requiredJarFileBlobKeys;

	/** URLs specifying the classpath to add to the class loader */
	private final Collection<URL> requiredClasspathURLs;


	public JobInformation(
			JobID jobId,
			String jobName,
			SerializedValue<ExecutionConfig> serializedExecutionConfig,
			Configuration jobConfiguration,
			Collection<BlobKey> requiredJarFileBlobKeys,
			Collection<URL> requiredClasspathURLs) {
		this.jobId = Preconditions.checkNotNull(jobId);
		this.jobName = Preconditions.checkNotNull(jobName);
		this.serializedExecutionConfig = Preconditions.checkNotNull(serializedExecutionConfig);
		this.jobConfiguration = Preconditions.checkNotNull(jobConfiguration);
		this.requiredJarFileBlobKeys = Preconditions.checkNotNull(requiredJarFileBlobKeys);
		this.requiredClasspathURLs = Preconditions.checkNotNull(requiredClasspathURLs);
	}

	public JobID getJobId() {
		return jobId;
	}

	public String getJobName() {
		return jobName;
	}

	public SerializedValue<ExecutionConfig> getSerializedExecutionConfig() {
		return serializedExecutionConfig;
	}

	public Configuration getJobConfiguration() {
		return jobConfiguration;
	}

	public Collection<BlobKey> getRequiredJarFileBlobKeys() {
		return requiredJarFileBlobKeys;
	}

	public Collection<URL> getRequiredClasspathURLs() {
		return requiredClasspathURLs;
	}

	// ------------------------------------------------------------------------


	@Override
	public String toString() {
		return "JobInformation for '" + jobName + "' (" + jobId + ')';
	}
}