<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-erlang</artifactId>
<version>1.0.0</version>
</dependency>
erlang
-module(chat_server).
-behaviour(gen_server).
-export([start_link/0, send_message/2]).
-export([init/1, handle_call/3, handle_cast/2, handle_info/2, terminate/2, code_change/3]).
%% Start the chat server
start_link() ->
gen_server:start_link({local, ?MODULE}, ?MODULE, [], []).
%% Send message to a user
send_message(UserId, Message) ->
gen_server:call({local, ?MODULE}, {send_message, UserId, Message}).
%% Gen server callbacks
init([]) ->
{ok, []}.
handle_call({send_message, UserId, Message}, _From, State) ->
%% Logic to send message to the user with UserId
{reply, ok, State}.
handle_cast(_Msg, State) ->
{noreply, State}.
handle_info(_Info, State) ->
{noreply, State}.
terminate(_Reason, _State) ->
ok.
code_change(_OldVsn, State, _Extra) ->
{ok, State}.
package com.example.chatapp.services;
import org.springframework.erlang.core.ErlangTemplate;
public class ChatService {
private ErlangTemplate erlangTemplate;
public void setErlangTemplate(ErlangTemplate erlangTemplate) {
this.erlangTemplate = erlangTemplate;
}
public void sendMessage(String userId, String message) {
erlangTemplate.executeAndReturn(new ErlangCallback() {
@Override
public Object execute(Connection connection) {
return connection.call("chat_server", "send_message", userId, message);
}
});
}
}
<bean id="erlangTemplate" class="org.springframework.erlang.core.ErlangTemplate">
<property name="connectionFactory" ref="erlangConnectionFactory"/>
</bean>
<bean id="erlangConnectionFactory" class="org.springframework.erlang.support.SimpleErlangConnectionFactory">
<property name="node" value="ChatServer"/>
<property name="cookie" value=""/>
</bean>
