text: /*
   * Copyright 2018-present Open Networking Foundation
   *
   * 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 org.onosproject.workflow.api;
  
  import com.google.common.base.MoreObjects;
  
  import java.util.HashSet;
  import java.util.Objects;
  import java.util.Set;
  
  import static org.onosproject.workflow.api.CheckCondition.check;
  
  /**
   * Class for event timeout task.
   */
  public final class EventTimeoutTask extends HandlerTask {
  
      /**
       * Event type (Class name of event).
       */
      private final String eventType;
  
      /**
       * Set of Event hint value for finding target event.
       */
      private final Set<String> eventHintSet = new HashSet<>();
  
      /**
       * Constructor of EventTimeoutTask.
       * @param builder builder of EventTimeoutTask
       */
      private EventTimeoutTask(Builder builder) {
          super(builder);
          this.eventType = builder.eventType;
          this.eventHintSet.addAll(builder.eventHintSet);
      }
  
      /**
       * Gets event type (Class name of event).
       * @return event type
       */
      public String eventType() {
          return eventType;
      }
  
      /**
       * Gets set of event hint value for finding target event.
       * @return event hint set
       */
      public Set<String> eventHintSet() {
          return eventHintSet;
      }
  
      @Override
      public int hashCode() {
          return Objects.hash(this.toString());
      }
  
      @Override
      public boolean equals(Object obj) {
          if (obj == this) {
              return true;
          }
          if (!(obj instanceof EventTask)) {
              return false;
          }
          return Objects.equals(this.eventType(), ((EventTask) obj).eventType())
                  && Objects.equals(this.eventHintSet(), ((EventTask) obj).eventHint());
      }
  
      @Override
      public String toString() {
          return MoreObjects.toStringHelper(getClass())
                  .add("context", context())
                  .add("programCounter", programCounter())
                  .add("eventType", eventType())
                  .add("eventHint", eventHintSet())
                  .toString();
      }
  
      /**
       * Gets a instance of builder.
       * @return instance of builder
       */
      public static Builder builder() {
          return new Builder();
      }
  
      /**
       * Builder of EventTimeoutTask.
       */
      public static class Builder extends HandlerTask.Builder {
          /**
           * Event type (Class name of event).
           */
          private String eventType;
  
          /**
           * Set of Event hint value for finding target event.
           */
          private Set<String> eventHintSet;
  
          /**
           * Sets Event type (Class name of event).
           * @param eventType event type
           * @return builder of EventTimeoutTask
           */
          public Builder eventType(String eventType) {
              this.eventType = eventType;
              return this;
          }
  
          /**
           * Sets event hint string for finding target event.
           * @param eventHintSet Set of event hint string
           * @return builder of EventTimeoutTask
           */
          public Builder eventHintSet(Set<String> eventHintSet) {
              this.eventHintSet = eventHintSet;
              return this;
          }
  
          @Override
          public Builder context(WorkflowContext context) {
              super.context(context);
              return this;
          }
  
          @Override
          public Builder programCounter(ProgramCounter programCounter) {
              super.programCounter(programCounter);
              return this;
          }
  
          /**
           * Builds EventTimeoutTask.
           * @return instance of EventTimeoutTask
           * @throws WorkflowException workflow exception
           */
          public EventTimeoutTask build() throws WorkflowException {
              check(eventType != null, "eventType is invalid");
              check(eventHintSet != null, "eventHintSet is invalid");
              return new EventTimeoutTask(this);
          }
      }
  }
  