| /** |
| * 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.hadoop.yarn.api.records; |
| |
| import org.apache.hadoop.classification.InterfaceAudience; |
| import org.apache.hadoop.classification.InterfaceStability; |
| import org.apache.hadoop.yarn.util.Records; |
| |
| /** |
| * {@code UpdateContainerError} is used by the Scheduler to notify the |
| * ApplicationMaster of an UpdateContainerRequest it cannot satisfy due to |
| * an error in the request. It includes the update request as well as |
| * a reason for why the request was not satisfiable. |
| */ |
| @InterfaceAudience.Public |
| @InterfaceStability.Unstable |
| public abstract class UpdateContainerError { |
| |
| @InterfaceAudience.Public |
| @InterfaceStability.Unstable |
| public static UpdateContainerError newInstance(String reason, |
| UpdateContainerRequest updateContainerRequest) { |
| UpdateContainerError error = Records.newRecord(UpdateContainerError.class); |
| error.setReason(reason); |
| error.setUpdateContainerRequest(updateContainerRequest); |
| return error; |
| } |
| |
| /** |
| * Get reason why the update request was not satisfiable. |
| * @return Reason |
| */ |
| @InterfaceAudience.Public |
| @InterfaceStability.Unstable |
| public abstract String getReason(); |
| |
| /** |
| * Set reason why the update request was not satisfiable. |
| * @param reason Reason |
| */ |
| @InterfaceAudience.Public |
| @InterfaceStability.Unstable |
| public abstract void setReason(String reason); |
| |
| /** |
| * Get current container version. |
| * @return Current container Version. |
| */ |
| @InterfaceAudience.Public |
| @InterfaceStability.Unstable |
| public abstract int getCurrentContainerVersion(); |
| |
| /** |
| * Set current container version. |
| * @param currentVersion Current container version. |
| */ |
| @InterfaceAudience.Public |
| @InterfaceStability.Unstable |
| public abstract void setCurrentContainerVersion(int currentVersion); |
| |
| /** |
| * Get the {@code UpdateContainerRequest} that was not satisfiable. |
| * @return UpdateContainerRequest |
| */ |
| @InterfaceAudience.Public |
| @InterfaceStability.Unstable |
| public abstract UpdateContainerRequest getUpdateContainerRequest(); |
| |
| /** |
| * Set the {@code UpdateContainerRequest} that was not satisfiable. |
| * @param updateContainerRequest Update Container Request |
| */ |
| @InterfaceAudience.Public |
| @InterfaceStability.Unstable |
| public abstract void setUpdateContainerRequest( |
| UpdateContainerRequest updateContainerRequest); |
| |
| @Override |
| public int hashCode() { |
| final int prime = 2153; |
| int result = 2459; |
| String reason = getReason(); |
| UpdateContainerRequest updateReq = getUpdateContainerRequest(); |
| result = prime * result + ((reason == null) ? 0 : reason.hashCode()); |
| result = prime * result + ((updateReq == null) ? 0 : updateReq.hashCode()); |
| return result; |
| } |
| |
| @Override |
| public String toString() { |
| return "UpdateContainerError{reason=" + getReason() + ", " |
| + "currentVersion=" + getCurrentContainerVersion() + ", " |
| + "req=" + getUpdateContainerRequest() + "}"; |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) { |
| return true; |
| } |
| if (obj == null) { |
| return false; |
| } |
| if (getClass() != obj.getClass()) { |
| return false; |
| } |
| UpdateContainerError other = (UpdateContainerError) obj; |
| String reason = getReason(); |
| if (reason == null) { |
| if (other.getReason() != null) { |
| return false; |
| } |
| } else if (!reason.equals(other.getReason())) { |
| return false; |
| } |
| UpdateContainerRequest req = getUpdateContainerRequest(); |
| if (req == null) { |
| if (other.getUpdateContainerRequest() != null) { |
| return false; |
| } |
| } else if (!req.equals(other.getUpdateContainerRequest())) { |
| return false; |
| } |
| return getCurrentContainerVersion() == other.getCurrentContainerVersion(); |
| } |
| } |