com.datastax.oss.driver.api.core.connection.BusyConnectionException Maven / Gradle / Ivy
/*
* 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 com.datastax.oss.driver.api.core.connection;
import com.datastax.oss.driver.api.core.AllNodesFailedException;
import com.datastax.oss.driver.api.core.DriverException;
import com.datastax.oss.driver.api.core.cql.ExecutionInfo;
import edu.umd.cs.findbugs.annotations.NonNull;
/**
* Indicates that a write was attempted on a connection that already handles too many simultaneous
* requests.
*
* This might happen under heavy load. The driver will automatically try the next node in the
* query plan. Therefore, the only way that the client can observe this exception is as part of a
* {@link AllNodesFailedException}.
*/
public class BusyConnectionException extends DriverException {
// Note: the driver doesn't use this constructor anymore, it is preserved only for backward
// compatibility.
@SuppressWarnings("unused")
public BusyConnectionException(int maxAvailableIds) {
this(
String.format(
"Connection has exceeded its maximum of %d simultaneous requests", maxAvailableIds),
null,
false);
}
public BusyConnectionException(String message) {
this(message, null, false);
}
private BusyConnectionException(
String message, ExecutionInfo executionInfo, boolean writableStackTrace) {
super(message, executionInfo, null, writableStackTrace);
}
@Override
@NonNull
public DriverException copy() {
return new BusyConnectionException(getMessage(), getExecutionInfo(), true);
}
}