io.trino.execution.QueryState Maven / Gradle / Ivy
/*
* 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 io.trino.execution;
import java.util.Set;
import java.util.stream.Stream;
import static com.google.common.collect.ImmutableSet.toImmutableSet;
public enum QueryState
{
/**
* Query has been accepted and is awaiting execution.
*/
QUEUED(false),
/**
* Query is waiting for the required resources (beta).
*/
WAITING_FOR_RESOURCES(false),
/**
* Query is being dispatched to a coordinator.
*/
DISPATCHING(false),
/**
* Query is being planned.
*/
PLANNING(false),
/**
* Query execution is being started.
*/
STARTING(false),
/**
* Query has at least one running task.
*/
RUNNING(false),
/**
* Query is finishing (e.g. commit for autocommit queries)
*/
FINISHING(false),
/**
* Query has finished executing and all output has been consumed.
*/
FINISHED(true),
/**
* Query execution failed.
*/
FAILED(true);
public static final Set TERMINAL_QUERY_STATES = Stream.of(QueryState.values()).filter(QueryState::isDone).collect(toImmutableSet());
private final boolean doneState;
QueryState(boolean doneState)
{
this.doneState = doneState;
}
/**
* Is this a terminal state.
*/
public boolean isDone()
{
return doneState;
}
}