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/*
 * 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.entrypoint;

import org.apache.flink.api.common.time.Time;
import org.apache.flink.configuration.Configuration;
import org.apache.flink.configuration.ConfigurationUtils;
import org.apache.flink.configuration.JobManagerOptions;
import org.apache.flink.runtime.concurrent.ScheduledExecutor;
import org.apache.flink.runtime.dispatcher.ArchivedExecutionGraphStore;
import org.apache.flink.runtime.dispatcher.FileArchivedExecutionGraphStore;

import org.apache.flink.shaded.guava18.com.google.common.base.Ticker;

import java.io.File;
import java.io.IOException;

/**
 * Base class for session cluster entry points.
 */
public abstract class SessionClusterEntrypoint extends ClusterEntrypoint {

	public SessionClusterEntrypoint(Configuration configuration) {
		super(configuration);
	}

	@Override
	protected ArchivedExecutionGraphStore createSerializableExecutionGraphStore(
			Configuration configuration,
			ScheduledExecutor scheduledExecutor) throws IOException {
		final File tmpDir = new File(ConfigurationUtils.parseTempDirectories(configuration)[0]);

		final Time expirationTime =  Time.seconds(configuration.getLong(JobManagerOptions.JOB_STORE_EXPIRATION_TIME));
		final int maximumCapacity = configuration.getInteger(JobManagerOptions.JOB_STORE_MAX_CAPACITY);
		final long maximumCacheSizeBytes = configuration.getLong(JobManagerOptions.JOB_STORE_CACHE_SIZE);

		return new FileArchivedExecutionGraphStore(
			tmpDir,
			expirationTime,
			maximumCapacity,
			maximumCacheSizeBytes,
			scheduledExecutor,
			Ticker.systemTicker());
	}
}




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