com.datastax.oss.driver.api.core.servererrors.QueryConsistencyException Maven / Gradle / Ivy
/*
* Copyright DataStax, 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 com.datastax.oss.driver.api.core.servererrors;
import com.datastax.oss.driver.api.core.ConsistencyLevel;
import com.datastax.oss.driver.api.core.cql.ExecutionInfo;
import com.datastax.oss.driver.api.core.metadata.Node;
import edu.umd.cs.findbugs.annotations.NonNull;
/**
* A failure to reach the required consistency level during the execution of a query.
*
* Such an exception is returned when the query has been tried by Cassandra but cannot be
* achieved with the requested consistency level because either:
*
*
* - the coordinator did not receive enough replica responses within the rpc timeout set for
* Cassandra;
*
- some replicas replied with an error.
*
*/
public abstract class QueryConsistencyException extends QueryExecutionException {
private final ConsistencyLevel consistencyLevel;
private final int received;
private final int blockFor;
protected QueryConsistencyException(
@NonNull Node coordinator,
@NonNull String message,
@NonNull ConsistencyLevel consistencyLevel,
int received,
int blockFor,
ExecutionInfo executionInfo,
boolean writableStackTrace) {
super(coordinator, message, executionInfo, writableStackTrace);
this.consistencyLevel = consistencyLevel;
this.received = received;
this.blockFor = blockFor;
}
/** The consistency level of the operation that failed. */
@NonNull
public ConsistencyLevel getConsistencyLevel() {
return consistencyLevel;
}
/** The number of replica that had acknowledged/responded to the operation before it failed. */
public int getReceived() {
return received;
}
/**
* The minimum number of replica acknowledgements/responses that were required to fulfill the
* operation.
*/
public int getBlockFor() {
return blockFor;
}
}