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/*
 * 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.iotdb.db.queryengine.execution;

import java.util.Set;
import java.util.stream.Stream;

import static com.google.common.collect.ImmutableSet.toImmutableSet;

public enum QueryState {
  QUEUED(false),
  PLANNED(false),
  DISPATCHING(false),
  PENDING_RETRY(false),
  RUNNING(false),
  FINISHED(true),
  CANCELED(true),
  ABORTED(true),
  FAILED(true);

  private final boolean doneState;

  public static final Set TERMINAL_INSTANCE_STATES =
      Stream.of(QueryState.values()).filter(QueryState::isDone).collect(toImmutableSet());

  QueryState(boolean doneState) {
    this.doneState = doneState;
  }

  public boolean isDone() {
    return doneState;
  }
}