vertx-pg-client-js.pg_channel.js Maven / Gradle / Ivy
/*
* Copyright 2014 Red Hat, Inc.
*
* Red Hat licenses this file to you 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.
*/
/** @module vertx-pg-client-js/pg_channel */
var utils = require('vertx-js/util/utils');
var ReadStream = require('vertx-js/read_stream');
var io = Packages.io;
var JsonObject = io.vertx.core.json.JsonObject;
var JPgChannel = Java.type('com.julienviet.pgclient.pubsub.PgChannel');
/**
@class
*/
var PgChannel = function(j_val) {
var j_pgChannel = j_val;
var that = this;
ReadStream.call(this, j_val);
/**
Set an handler called when the the channel get subscribed.
@public
@param handler {function} the handler
@return {PgChannel} a reference to this, so the API can be used fluently
*/
this.subscribeHandler = function(handler) {
var __args = arguments;
if (__args.length === 1 && typeof __args[0] === 'function') {
j_pgChannel["subscribeHandler(io.vertx.core.Handler)"](handler);
return that;
} else throw new TypeError('function invoked with invalid arguments');
};
/**
Set or unset an handler to be called when a the channel is notified by Postgres.
- when the handler is set, the subscriber sends a
LISTEN command if needed
- when the handler is unset, the subscriber sends a
UNLISTEN command if needed
@public
@param handler {function} the handler
@return {PgChannel} a reference to this, so the API can be used fluently
*/
this.handler = function(handler) {
var __args = arguments;
if (__args.length === 1 && typeof __args[0] === 'function') {
j_pgChannel["handler(io.vertx.core.Handler)"](function(jVal) {
handler(jVal);
});
return that;
} else throw new TypeError('function invoked with invalid arguments');
};
/**
Pause the channel, all notifications are discarded.
@public
@return {PgChannel} a reference to this, so the API can be used fluently
*/
this.pause = function() {
var __args = arguments;
if (__args.length === 0) {
j_pgChannel["pause()"]();
return that;
} else throw new TypeError('function invoked with invalid arguments');
};
/**
Resume the channel.
@public
@return {PgChannel} a reference to this, so the API can be used fluently
*/
this.resume = function() {
var __args = arguments;
if (__args.length === 0) {
j_pgChannel["resume()"]();
return that;
} else throw new TypeError('function invoked with invalid arguments');
};
/**
Set an handler to be called when no more notifications will be received.
@public
@param endHandler {function} the handler
@return {PgChannel} a reference to this, so the API can be used fluently
*/
this.endHandler = function(endHandler) {
var __args = arguments;
if (__args.length === 1 && typeof __args[0] === 'function') {
j_pgChannel["endHandler(io.vertx.core.Handler)"](endHandler);
return that;
} else throw new TypeError('function invoked with invalid arguments');
};
/**
@public
@param handler {function}
@return {PgChannel}
*/
this.exceptionHandler = function(handler) {
var __args = arguments;
if (__args.length === 1 && typeof __args[0] === 'function') {
j_pgChannel["exceptionHandler(io.vertx.core.Handler)"](function(jVal) {
handler(utils.convReturnThrowable(jVal));
});
return that;
} else throw new TypeError('function invoked with invalid arguments');
};
// A reference to the underlying Java delegate
// NOTE! This is an internal API and must not be used in user code.
// If you rely on this property your code is likely to break if we change it / remove it without warning.
this._jdel = j_pgChannel;
};
PgChannel._jclass = utils.getJavaClass("com.julienviet.pgclient.pubsub.PgChannel");
PgChannel._jtype = {
accept: function(obj) {
return PgChannel._jclass.isInstance(obj._jdel);
},
wrap: function(jdel) {
var obj = Object.create(PgChannel.prototype, {});
PgChannel.apply(obj, arguments);
return obj;
},
unwrap: function(obj) {
return obj._jdel;
}
};
PgChannel._create = function(jdel) {
var obj = Object.create(PgChannel.prototype, {});
PgChannel.apply(obj, arguments);
return obj;
}
module.exports = PgChannel;