runtime/common/src/main/java/org/apache/nemo/runtime/common/exception/AbsentBlockException.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.nemo.runtime.common.exception;

import org.apache.nemo.runtime.common.state.BlockState;

/**
 * An exception which represents the requested block is neither AVAILABLE nor IN_PROGRESS.
 */
public final class AbsentBlockException extends Exception {
  private final String blockId;
  private final BlockState.State state;

  /**
   * @param blockId id of the block
   * @param state   state of the block
   */
  public AbsentBlockException(final String blockId, final BlockState.State state) {
    this.blockId = blockId;
    this.state = state;
  }

  /**
   * @return id of the block
   */
  public String getBlockId() {
    return blockId;
  }

  /**
   * @return state of the block
   */
  public BlockState.State getState() {
    return state;
  }
}