| /* |
| * 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.druid.server.coordination; |
| |
| import com.fasterxml.jackson.annotation.JsonCreator; |
| import com.fasterxml.jackson.annotation.JsonProperty; |
| import com.google.common.base.Preconditions; |
| |
| import javax.annotation.Nullable; |
| |
| /** |
| * Contains {@link State} of a {@link DataSegmentChangeRequest} and failure |
| * message, if any. |
| */ |
| public class SegmentChangeStatus |
| { |
| public enum State |
| { |
| SUCCESS, FAILED, PENDING |
| } |
| |
| private final State state; |
| @Nullable |
| private final String failureCause; |
| |
| public static final SegmentChangeStatus SUCCESS = new SegmentChangeStatus(State.SUCCESS, null); |
| public static final SegmentChangeStatus PENDING = new SegmentChangeStatus(State.PENDING, null); |
| |
| public static SegmentChangeStatus failed(String cause) |
| { |
| return new SegmentChangeStatus(State.FAILED, cause); |
| } |
| |
| @JsonCreator |
| private SegmentChangeStatus( |
| @JsonProperty("state") State state, |
| @JsonProperty("failureCause") @Nullable String failureCause |
| ) |
| { |
| this.state = Preconditions.checkNotNull(state, "state must be non-null"); |
| this.failureCause = failureCause; |
| } |
| |
| @JsonProperty |
| public State getState() |
| { |
| return state; |
| } |
| |
| @Nullable |
| @JsonProperty |
| public String getFailureCause() |
| { |
| return failureCause; |
| } |
| |
| @Override |
| public String toString() |
| { |
| return "SegmentChangeStatus{" + |
| "state=" + state + |
| ", failureCause='" + failureCause + '\'' + |
| '}'; |
| } |
| } |