content: /**
   * 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
   * <p>
   * http://www.apache.org/licenses/LICENSE-2.0
   * <p>
   * 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.atlas.model.tasks;
  
  import com.fasterxml.jackson.annotation.JsonAutoDetect;
  import com.fasterxml.jackson.annotation.JsonIgnore;
  import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
  import com.fasterxml.jackson.annotation.JsonInclude;
  import org.apache.commons.lang.StringUtils;
  
  import java.util.Date;
  import java.util.Map;
  import java.util.UUID;
  
  import static com.fasterxml.jackson.annotation.JsonAutoDetect.Visibility.NONE;
  import static com.fasterxml.jackson.annotation.JsonAutoDetect.Visibility.PUBLIC_ONLY;
  
  @JsonAutoDetect(getterVisibility = PUBLIC_ONLY, setterVisibility = PUBLIC_ONLY, fieldVisibility = NONE)
  @JsonInclude(JsonInclude.Include.NON_NULL)
  @JsonIgnoreProperties(ignoreUnknown = true)
  public class AtlasTask {
      @JsonIgnore
      public static final int MAX_ATTEMPT_COUNT = 3;
  
      private String              type;
      private String              guid;
      private String              createdBy;
      private Date                createdTime;
      private Date                updatedTime;
      private Date                startTime;
      private Date                endTime;
      private Map<String, Object> parameters;
      private int                 attemptCount;
      private String              errorMessage;
      private Status              status;
  
      public AtlasTask() {
      }
  
      public AtlasTask(String type, String createdBy, Map<String, Object> parameters) {
          this.guid         = UUID.randomUUID().toString();
          this.type         = type;
          this.createdBy    = createdBy;
          this.createdTime  = new Date();
          this.updatedTime  = this.createdTime;
          this.parameters   = parameters;
          this.status       = Status.PENDING;
          this.attemptCount = 0;
      }
  
      public String getGuid() {
          return guid;
      }
  
      public void setGuid(String guid) {
          this.guid = guid;
      }
  
      public String getCreatedBy() {
          return createdBy;
      }
  
      public void setCreatedBy(String createdBy) {
          this.createdBy = createdBy;
      }
  
      public Date getCreatedTime() {
          return createdTime;
      }
  
      public void setCreatedTime(Date createdTime) {
          this.createdTime = createdTime;
      }
  
      public Date getUpdatedTime() {
          return updatedTime;
      }
  
      public void setUpdatedTime(Date updatedTime) {
          this.updatedTime = updatedTime;
      }
  
      public Map<String, Object> getParameters() {
          return parameters;
      }
  
      public void setParameters(Map<String, Object> val) {
          this.parameters = val;
      }
  
      public String getType() {
          return this.type;
      }
  
      public void setType(String val) {
          this.type = val;
      }
  
      public Status getStatus() {
          return this.status;
      }
  
      public void setStatus(String val) {
          if (StringUtils.isNotEmpty(val)) {
              this.status = Status.valueOf(val);
          }
      }
  
      public void setStatus(Status val) {
          this.status = val;
      }
  
      public int getAttemptCount() {
          return attemptCount;
      }
  
      public void setAttemptCount(int attemptCount) {
          this.attemptCount = attemptCount;
      }
  
      public void incrementAttemptCount() {
          this.attemptCount++;
      }
  
      public void setStatusPending() {
          this.status = Status.PENDING;
      }
  
      public String getErrorMessage() {
          return errorMessage;
      }
  
      public void setErrorMessage(String errorMessage) {
          this.errorMessage = errorMessage;
      }
  
      public Date getStartTime() {
          return startTime;
      }
  
      public void setStartTime(Date startTime) {
          this.startTime = startTime;
      }
  
      public Date getEndTime() {
          return endTime;
      }
  
      public void setEndTime(Date endTime) {
          this.endTime = endTime;
      }
  
      @JsonIgnore
      public void start() {
          this.setStatus(Status.IN_PROGRESS);
          this.setStartTime(new Date());
      }
  
      @JsonIgnore
      public void end() {
          this.status = Status.COMPLETE;
          this.setEndTime(new Date());
      }
  
      @JsonIgnore
      public void updateStatusFromAttemptCount() {
          setStatus((attemptCount < MAX_ATTEMPT_COUNT) ? AtlasTask.Status.PENDING : AtlasTask.Status.FAILED);
      }
  
      public enum Status {
          PENDING,
          IN_PROGRESS,
          COMPLETE,
          FAILED
      }
  }
  