tez-dag/src/main/java/org/apache/tez/dag/app/ClusterInfo.java

/**
 * 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.tez.dag.app;

import org.apache.hadoop.yarn.api.records.Resource;
import org.apache.tez.dag.api.TezUncheckedException;

public class ClusterInfo {
  private Resource maxContainerCapability;
  private boolean initialized = false;

  public ClusterInfo() {
  }
  
  public ClusterInfo(Resource maxCapability) {
    this.maxContainerCapability = maxCapability;
    initialized = true;
  }

  public Resource getMaxContainerCapability() {
    if (!initialized) {
      throw new TezUncheckedException("ClusterInfo not initialized yet");
    }
    return maxContainerCapability;
  }

  public void setMaxContainerCapability(Resource maxContainerCapability) {
    this.maxContainerCapability = maxContainerCapability;
    initialized = true;
  }
}