io.atomix.raft.RaftException Maven / Gradle / Ivy
/*
* Copyright 2015-present Open Networking Foundation
* Copyright © 2020 camunda services GmbH ([email protected])
*
* 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.atomix.raft;
/**
* Base Raft protocol exception.
*
* This is the base exception type for all Raft protocol exceptions. Protocol exceptions must be
* associated with a {@link RaftError.Type} which is used for more efficient serialization.
*/
public abstract class RaftException extends RuntimeException {
private final RaftError.Type type;
protected RaftException(final RaftError.Type type, final String message, final Object... args) {
super(message != null ? String.format(message, args) : null);
if (type == null) {
throw new NullPointerException("type cannot be null");
}
this.type = type;
}
protected RaftException(
final RaftError.Type type,
final Throwable cause,
final String message,
final Object... args) {
super(String.format(message, args), cause);
if (type == null) {
throw new NullPointerException("type cannot be null");
}
this.type = type;
}
protected RaftException(final RaftError.Type type, final Throwable cause) {
super(cause);
if (type == null) {
throw new NullPointerException("type cannot be null");
}
this.type = type;
}
/**
* Returns the exception type.
*
* @return The exception type.
*/
public RaftError.Type getType() {
return type;
}
public static class NoLeader extends RaftException {
public NoLeader(final String message, final Object... args) {
super(RaftError.Type.NO_LEADER, message, args);
}
}
public static class ProtocolException extends RaftException {
public ProtocolException(final String message, final Object... args) {
super(RaftError.Type.PROTOCOL_ERROR, message, args);
}
}
public static class ConfigurationException extends RaftException {
public ConfigurationException(
final Throwable throwable, final String message, final Object... args) {
super(RaftError.Type.CONFIGURATION_ERROR, throwable, message, args);
}
}
}