/*
* 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-config-js/config_retriever */
var utils = require('vertx-js/util/utils');
var Vertx = require('vertx-js/vertx');
var ReadStream = require('vertx-js/read_stream');
var Future = require('vertx-js/future');
var io = Packages.io;
var JsonObject = io.vertx.core.json.JsonObject;
var JConfigRetriever = Java.type('io.vertx.config.ConfigRetriever');
var ConfigRetrieverOptions = Java.type('io.vertx.config.ConfigRetrieverOptions');
var ConfigChange = Java.type('io.vertx.config.ConfigChange');
/**
Defines a configuration retriever that read configuration from
@class
*/
var ConfigRetriever = function(j_val) {
var j_configRetriever = j_val;
var that = this;
/**
Reads the configuration from the different
and computes the final configuration.
@public
@param completionHandler {function} handler receiving the computed configuration, or a failure if the configuration cannot be retrieved
*/
this.getConfig = function(completionHandler) {
var __args = arguments;
if (__args.length === 1 && typeof __args[0] === 'function') {
j_configRetriever["getConfig(io.vertx.core.Handler)"](function(ar) {
if (ar.succeeded()) {
completionHandler(utils.convReturnJson(ar.result()), null);
} else {
completionHandler(null, ar.cause());
}
});
} else throw new TypeError('function invoked with invalid arguments');
};
/**
Closes the retriever.
@public
*/
this.close = function() {
var __args = arguments;
if (__args.length === 0) {
j_configRetriever["close()"]();
} else throw new TypeError('function invoked with invalid arguments');
};
/**
Gets the last computed configuration.
@public
@return {Object} the last configuration
*/
this.getCachedConfig = function() {
var __args = arguments;
if (__args.length === 0) {
return utils.convReturnJson(j_configRetriever["getCachedConfig()"]());
} else throw new TypeError('function invoked with invalid arguments');
};
/**
Registers a listener receiving configuration changes. This method cannot only be called if
the configuration is broadcasted.
@public
@param listener {function} the listener
*/
this.listen = function(listener) {
var __args = arguments;
if (__args.length === 1 && typeof __args[0] === 'function') {
j_configRetriever["listen(io.vertx.core.Handler)"](function(jVal) {
listener(utils.convReturnDataObject(jVal));
});
} else throw new TypeError('function invoked with invalid arguments');
};
/**
@public
@return {ReadStream} the stream of configurations. It's single stream (unicast) and that delivers the last known config and the successors periodically.
*/
this.configStream = function() {
var __args = arguments;
if (__args.length === 0) {
if (that.cachedconfigStream == null) {
that.cachedconfigStream = utils.convReturnVertxGen(ReadStream, j_configRetriever["configStream()"](), undefined);
}
return that.cachedconfigStream;
} 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_configRetriever;
};
ConfigRetriever._jclass = utils.getJavaClass("io.vertx.config.ConfigRetriever");
ConfigRetriever._jtype = {
accept: function(obj) {
return ConfigRetriever._jclass.isInstance(obj._jdel);
},
wrap: function(jdel) {
var obj = Object.create(ConfigRetriever.prototype, {});
ConfigRetriever.apply(obj, arguments);
return obj;
},
unwrap: function(obj) {
return obj._jdel;
}
};
ConfigRetriever._create = function(jdel) {
var obj = Object.create(ConfigRetriever.prototype, {});
ConfigRetriever.apply(obj, arguments);
return obj;
}
/**
Creates an instance of the default implementation of the {@link ConfigRetriever}.
@memberof module:vertx-config-js/config_retriever
@param vertx {Vertx} the vert.x instance
@param options {Object} the options, must not be <code>null</code>, must contain the list of configured store.
@return {ConfigRetriever} the created instance.
*/
ConfigRetriever.create = function() {
var __args = arguments;
if (__args.length === 1 && typeof __args[0] === 'object' && __args[0]._jdel) {
return utils.convReturnVertxGen(ConfigRetriever, JConfigRetriever["create(io.vertx.core.Vertx)"](__args[0]._jdel));
}else if (__args.length === 2 && typeof __args[0] === 'object' && __args[0]._jdel && (typeof __args[1] === 'object' && __args[1] != null)) {
return utils.convReturnVertxGen(ConfigRetriever, JConfigRetriever["create(io.vertx.core.Vertx,io.vertx.config.ConfigRetrieverOptions)"](__args[0]._jdel, __args[1] != null ? new ConfigRetrieverOptions(new JsonObject(Java.asJSONCompatible(__args[1]))) : null));
} else throw new TypeError('function invoked with invalid arguments');
};
/**
Same as {@link ConfigRetriever#getConfig}, but returning a object. The result is a
.
@memberof module:vertx-config-js/config_retriever
@param retriever {ConfigRetriever} the config retrieve
@return {Future} the future completed when the configuration is retrieved
*/
ConfigRetriever.getConfigAsFuture = function(retriever) {
var __args = arguments;
if (__args.length === 1 && typeof __args[0] === 'object' && __args[0]._jdel) {
return utils.convReturnVertxGen(Future, JConfigRetriever["getConfigAsFuture(io.vertx.config.ConfigRetriever)"](retriever._jdel), undefined);
} else throw new TypeError('function invoked with invalid arguments');
};
module.exports = ConfigRetriever;