Many resources are needed to download a project. Please understand that we have to compensate our server costs. Thank you in advance. Project price only 1 $
You can buy this project and download/modify it how often you want.
/*
* Copyright 2014-2021 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
*
* https://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.connection;
import java.util.Properties;
import org.springframework.util.Assert;
import org.springframework.util.StringUtils;
/**
* @author Christoph Strobl
* @author Thomas Darimont
* @author Franjo Zilic
* @since 1.4
*/
public class RedisServer extends RedisNode {
public static enum INFO {
NAME("name"), //
HOST("ip"), //
PORT("port"), //
RUN_ID("runid"), //
FLAGS("flags"), //
PENDING_COMMANDS("pending-commands"), //
LAST_PING_SENT("last-ping-sent"), //
LAST_OK_PING_REPLY("last-ok-ping-reply"), //
DOWN_AFTER_MILLISECONDS("down-after-milliseconds"), //
INFO_REFRESH("info-refresh"), //
ROLE_REPORTED("role-reported"), //
ROLE_REPORTED_TIME("role-reported-time"), //
CONFIG_EPOCH("config-epoch"), //
NUMBER_SLAVES("num-slaves"), //
NUMBER_OTHER_SENTINELS("num-other-sentinels"), //
BUFFER_LENGTH("qbuf"), //
BUFFER_FREE_SPACE("qbuf-free"), //
OUTPUT_BUFFER_LENGTH("obl"), //
OUTPUT_LIST_LENGTH("number-other-sentinels"), //
QUORUM("quorum"), //
FAILOVER_TIMEOUT("failover-timeout"), //
PARALLEL_SYNCS("parallel-syncs"); //
String key;
INFO(String key) {
this.key = key;
}
}
private Properties properties;
/**
* Creates a new {@link RedisServer} with the given {@code host}, {@code port}.
*
* @param host must not be {@literal null}
* @param port
*/
public RedisServer(String host, int port) {
this(host, port, new Properties());
}
/**
* Creates a new {@link RedisServer} with the given {@code host}, {@code port} and {@code properties}.
*
* @param host must not be {@literal null}
* @param port
* @param properties may be {@literal null}
*/
public RedisServer(String host, int port, Properties properties) {
super(host, port);
this.properties = properties;
String name = host + ":" + port;
if (properties != null && properties.containsKey(INFO.NAME.key)) {
name = get(INFO.NAME);
}
setName(name);
}
/**
* Creates a new {@link RedisServer} from the given properties.
*
* @param properties
* @return
*/
public static RedisServer newServerFrom(Properties properties) {
String host = properties.getProperty(INFO.HOST.key, "127.0.0.1");
int port = Integer.parseInt(properties.getProperty(INFO.PORT.key, "26379"));
return new RedisServer(host, port, properties);
}
public void setQuorum(Long quorum) {
if (quorum == null) {
this.properties.remove(INFO.QUORUM.key);
return;
}
this.properties.put(INFO.QUORUM.key, quorum.toString());
}
public String getRunId() {
return get(INFO.RUN_ID);
}
public String getFlags() {
return get(INFO.FLAGS);
}
public boolean isMaster() {
String role = getRoleReported();
if (!StringUtils.hasText(role)) {
return false;
}
return role.equalsIgnoreCase("master");
}
public Long getPendingCommands() {
return getLongValueOf(INFO.PENDING_COMMANDS);
}
public Long getLastPingSent() {
return getLongValueOf(INFO.LAST_PING_SENT);
}
public Long getLastOkPingReply() {
return getLongValueOf(INFO.LAST_OK_PING_REPLY);
}
public Long getDownAfterMilliseconds() {
return getLongValueOf(INFO.DOWN_AFTER_MILLISECONDS);
}
public Long getInfoRefresh() {
return getLongValueOf(INFO.INFO_REFRESH);
}
public String getRoleReported() {
return get(INFO.ROLE_REPORTED);
}
public Long roleReportedTime() {
return getLongValueOf(INFO.ROLE_REPORTED_TIME);
}
public Long getConfigEpoch() {
return getLongValueOf(INFO.CONFIG_EPOCH);
}
public Long getNumberSlaves() {
return getNumberReplicas();
}
/**
* Get the number of connected replicas.
*
* @return
* @since 2.1
*/
public Long getNumberReplicas() {
return getLongValueOf(INFO.NUMBER_SLAVES);
}
public Long getNumberOtherSentinels() {
return getLongValueOf(INFO.NUMBER_OTHER_SENTINELS);
}
public Long getQuorum() {
return getLongValueOf(INFO.QUORUM);
}
public Long getFailoverTimeout() {
return getLongValueOf(INFO.FAILOVER_TIMEOUT);
}
public Long getParallelSyncs() {
return getLongValueOf(INFO.PARALLEL_SYNCS);
}
/**
* @param info must not be null
* @return {@literal null} if no entry found for requested {@link INFO}.
*/
public String get(INFO info) {
Assert.notNull(info, "Cannot retrieve client information for 'null'.");
return get(info.key);
}
/**
* @param key must not be {@literal null} or {@literal empty}.
* @return {@literal null} if no entry found for requested {@code key}.
*/
public String get(String key) {
Assert.hasText(key, "Cannot get information for 'empty' / 'null' key.");
return this.properties.getProperty(key);
}
private Long getLongValueOf(INFO info) {
String value = get(info);
return value == null ? null : Long.valueOf(value);
}
}
