001
014
015 package com.liferay.portal.kernel.cluster;
016
017 import com.liferay.portal.kernel.log.Log;
018 import com.liferay.portal.kernel.log.LogFactoryUtil;
019 import com.liferay.portal.kernel.messaging.Message;
020 import com.liferay.portal.kernel.security.pacl.permission.PortalRuntimePermission;
021
022 import java.net.InetAddress;
023
024 import java.util.Collections;
025 import java.util.List;
026
027
031 public class ClusterLinkUtil {
032
033
037 public static final String CLUSTER_FORWARD_MESSAGE =
038 ClusterLink.CLUSTER_FORWARD_MESSAGE;
039
040 public static Address getAddress(Message message) {
041 return (Address)message.get(_ADDRESS);
042 }
043
044 public static InetAddress getBindInetAddress() {
045 ClusterLink clusterLink = getClusterLink();
046
047 if (clusterLink == null) {
048 return null;
049 }
050
051 return clusterLink.getBindInetAddress();
052 }
053
054 public static ClusterLink getClusterLink() {
055 PortalRuntimePermission.checkGetBeanProperty(ClusterLinkUtil.class);
056
057 if ((_clusterLink == null) || !_clusterLink.isEnabled()) {
058 if (_log.isWarnEnabled()) {
059 _log.warn("ClusterLinkUtil has not been initialized");
060 }
061
062 return null;
063 }
064
065 return _clusterLink;
066 }
067
068 public static List<Address> getLocalTransportAddresses() {
069 ClusterLink clusterLink = getClusterLink();
070
071 if (clusterLink == null) {
072 return Collections.emptyList();
073 }
074
075 return clusterLink.getLocalTransportAddresses();
076 }
077
078 public static List<Address> getTransportAddresses(Priority priority) {
079 ClusterLink clusterLink = getClusterLink();
080
081 if (clusterLink == null) {
082 return Collections.emptyList();
083 }
084
085 return clusterLink.getTransportAddresses(priority);
086 }
087
088 public static boolean isForwardMessage(Message message) {
089 return message.getBoolean(ClusterLink.CLUSTER_FORWARD_MESSAGE);
090 }
091
092 public static void sendMulticastMessage(
093 Message message, Priority priority) {
094
095 ClusterLink clusterLink = getClusterLink();
096
097 if (clusterLink == null) {
098 return;
099 }
100
101 clusterLink.sendMulticastMessage(message, priority);
102 }
103
104 public static void sendMulticastMessage(Object payload, Priority priority) {
105 Message message = new Message();
106
107 message.setPayload(payload);
108
109 sendMulticastMessage(message, priority);
110 }
111
112 public static void sendUnicastMessage(
113 Address address, Message message, Priority priority) {
114
115 ClusterLink clusterLink = getClusterLink();
116
117 if (clusterLink == null) {
118 return;
119 }
120
121 clusterLink.sendUnicastMessage(address, message, priority);
122 }
123
124 public static Message setAddress(Message message, Address address) {
125 message.put(_ADDRESS, address);
126
127 return message;
128 }
129
130 public static void setForwardMessage(Message message) {
131 message.put(ClusterLink.CLUSTER_FORWARD_MESSAGE, true);
132 }
133
134 public void setClusterLink(ClusterLink clusterLink) {
135 PortalRuntimePermission.checkSetBeanProperty(getClass());
136
137 _clusterLink = clusterLink;
138 }
139
140 private static final String _ADDRESS = "CLUSTER_ADDRESS";
141
142 private static Log _log = LogFactoryUtil.getLog(ClusterLinkUtil.class);
143
144 private static ClusterLink _clusterLink;
145
146 }