org.springframework.data.redis.ClusterRedirectException Maven / Gradle / Ivy
/*
* Copyright 2015-2018 the original author or authors.
*
* 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 org.springframework.data.redis;
import org.springframework.dao.DataRetrievalFailureException;
/**
* {@link ClusterRedirectException} indicates that a requested slot is not served by the targeted server but can be
* obtained on another one.
*
* @author Christoph Strobl
* @author Mark Paluch
* @since 1.7
*/
public class ClusterRedirectException extends DataRetrievalFailureException {
private static final long serialVersionUID = -857075813794333965L;
private final int slot;
private final String host;
private final int port;
/**
* Creates new {@link ClusterRedirectException}.
*
* @param slot the slot to redirect to.
* @param targetHost the host to redirect to.
* @param targetPort the port on the host.
* @param e the root cause from the data access API in use.
*/
public ClusterRedirectException(int slot, String targetHost, int targetPort, Throwable e) {
super(String.format("Redirect: slot %s to %s:%s.", slot, targetHost, targetPort), e);
this.slot = slot;
this.host = targetHost;
this.port = targetPort;
}
/**
* @return the slot to go for.
*/
public int getSlot() {
return slot;
}
/**
* @return host serving the slot.
*/
public String getTargetHost() {
return host;
}
/**
* @return port on host serving the slot.
*/
public int getTargetPort() {
return port;
}
}