/*
* Copyright © 2014-2016 Cask Data, Inc.
*
* 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 co.cask.cdap.proto;
import java.util.Objects;
/**
* Represents the status of a submitted query operation.
*/
public class QueryStatus {
public static final QueryStatus NO_OP = new QueryStatus(OpStatus.FINISHED, false);
private final OpStatus status;
private final boolean hasResults;
public QueryStatus(OpStatus status, boolean hasResults) {
this.status = status;
this.hasResults = hasResults;
}
public OpStatus getStatus() {
return status;
}
public boolean hasResults() {
return hasResults;
}
@Override
public String toString() {
return "QueryStatus{" +
"status=" + status +
", hasResults=" + hasResults +
'}';
}
@Override
public boolean equals(Object o) {
if (this == o) {
return true;
}
if (o == null || getClass() != o.getClass()) {
return false;
}
QueryStatus that = (QueryStatus) o;
return Objects.equals(this.status, that.status) &&
Objects.equals(this.hasResults, that.hasResults);
}
@Override
public int hashCode() {
return Objects.hash(NO_OP, status, hasResults);
}
/**
* Represents the status of an operation.
*/
@SuppressWarnings("UnusedDeclaration")
public enum OpStatus {
INITIALIZED,
RUNNING,
FINISHED,
CANCELED,
CLOSED,
ERROR,
UNKNOWN,
PENDING;
public boolean isDone() {
return this.equals(FINISHED) || this.equals(CANCELED) || this.equals(CLOSED) || this.equals(ERROR);
}
}
}