/*
 * Copyright (C) 2015 hops.io.
 *
 * Licensed 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 io.hops.transaction.lock;

import io.hops.exception.TransientStorageException;
import io.hops.leader_election.node.ActiveNode;

import java.util.Collection;

public class SubtreeLockedException extends TransientStorageException {

  public SubtreeLockedException(String inodeName,
      Collection<ActiveNode> namenodes) {
    super(createMessage(inodeName, namenodes));
  }

  public SubtreeLockedException(String message) {
    super(message);
  }
  
  private static String createMessage(String inodeName,
      Collection<ActiveNode> namenodes) {
    StringBuilder builder = new StringBuilder();
    builder.append("INode " + inodeName + " " + "Active NameNode were ");
    for (ActiveNode namenode : namenodes) {
      builder.append(namenode.toString() + ", ");
    }
    return builder.toString();
  }  
}