/*
* 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-cassandra-js/cassandra_client */
var utils = require('vertx-js/util/utils');
var Vertx = require('vertx-js/vertx');
var ResultSet = require('vertx-cassandra-js/result_set');
var CassandraRowStream = require('vertx-cassandra-js/cassandra_row_stream');
var Future = require('vertx-js/future');
var Promise = require('vertx-js/promise');
var io = Packages.io;
var JsonObject = io.vertx.core.json.JsonObject;
var JsonArray = io.vertx.core.json.JsonArray;
var JCassandraClient = Java.type('io.vertx.cassandra.CassandraClient');
var CassandraClientOptions = Java.type('io.vertx.cassandra.CassandraClientOptions');
/**
Eclipse Vert.x Cassandra client.
@class
*/
var CassandraClient = function(j_val) {
var j_cassandraClient = j_val;
var that = this;
var __super_createNonShared = this.createNonShared;
var __super_createNonShared = this.createNonShared;
var __super_createShared = this.createShared;
var __super_createShared = this.createShared;
var __super_createShared = this.createShared;
var __super_createShared = this.createShared;
var __super_isConnected = this.isConnected;
var __super_execute = this.execute;
var __super_queryStream = this.queryStream;
var __super_close = this.close;
/**
@public
@return {boolean} whether this Cassandra client instance is connected
*/
this.isConnected = function() {
var __args = arguments;
if (__args.length === 0) {
return j_cassandraClient["isConnected()"]() ;
} else if (typeof __super_isConnected != 'undefined') {
return __super_isConnected.apply(this, __args);
}
else throw new TypeError('function invoked with invalid arguments');
};
/**
Execute the query and provide a handler for consuming results.
@public
@param query {string} the query to execute
@param resultHandler {function} handler called when result of execution is present, but can be not fully fetched
@return {CassandraClient} current Cassandra client instance
*/
this.execute = function(query, resultHandler) {
var __args = arguments;
if (__args.length === 2 && typeof __args[0] === 'string' && typeof __args[1] === 'function') {
j_cassandraClient["execute(java.lang.String,io.vertx.core.Handler)"](query, function(ar) {
if (ar.succeeded()) {
resultHandler(utils.convReturnVertxGen(ResultSet, ar.result()), null);
} else {
resultHandler(null, ar.cause());
}
}) ;
return that;
} else if (__args.length === 1 && typeof __args[0] === 'string') {
var __prom = Promise.promise();
var __prom_completer_handler = function (result, cause) { if (cause === null) { __prom.complete(result); } else { __prom.fail(cause); } };
j_cassandraClient["execute(java.lang.String,io.vertx.core.Handler)"](query, function(ar) {
if (ar.succeeded()) {
__prom_completer_handler(utils.convReturnVertxGen(ResultSet, ar.result()), null);
} else {
__prom_completer_handler(null, ar.cause());
}
});
return __prom.future();
} else if (typeof __super_execute != 'undefined') {
return __super_execute.apply(this, __args);
}
else throw new TypeError('function invoked with invalid arguments');
};
/**
Executes the given SQL <code>SELECT</code> statement which returns the results of the query as a read stream.
@public
@param sql {string} the SQL to execute. For example <code>SELECT * FROM table ...</code>.
@param rowStreamHandler {function} the handler which is called once the operation completes. It will return an instance of {@link CassandraRowStream}.
@return {CassandraClient} current Cassandra client instance
*/
this.queryStream = function(sql, rowStreamHandler) {
var __args = arguments;
if (__args.length === 2 && typeof __args[0] === 'string' && typeof __args[1] === 'function') {
j_cassandraClient["queryStream(java.lang.String,io.vertx.core.Handler)"](sql, function(ar) {
if (ar.succeeded()) {
rowStreamHandler(utils.convReturnVertxGen(CassandraRowStream, ar.result()), null);
} else {
rowStreamHandler(null, ar.cause());
}
}) ;
return that;
} else if (__args.length === 1 && typeof __args[0] === 'string') {
var __prom = Promise.promise();
var __prom_completer_handler = function (result, cause) { if (cause === null) { __prom.complete(result); } else { __prom.fail(cause); } };
j_cassandraClient["queryStream(java.lang.String,io.vertx.core.Handler)"](sql, function(ar) {
if (ar.succeeded()) {
__prom_completer_handler(utils.convReturnVertxGen(CassandraRowStream, ar.result()), null);
} else {
__prom_completer_handler(null, ar.cause());
}
});
return __prom.future();
} else if (typeof __super_queryStream != 'undefined') {
return __super_queryStream.apply(this, __args);
}
else throw new TypeError('function invoked with invalid arguments');
};
/**
Closes this client.
@public
@param closeHandler {function} handler called when client is closed
@return {CassandraClient} current Cassandra client instance
*/
this.close = function(closeHandler) {
var __args = arguments;
if (__args.length === 1 && typeof __args[0] === 'function') {
j_cassandraClient["close(io.vertx.core.Handler)"](function(ar) {
if (ar.succeeded()) {
closeHandler(null, null);
} else {
closeHandler(null, ar.cause());
}
}) ;
return that;
} else if (__args.length === 0) {
var __prom = Promise.promise();
var __prom_completer_handler = function (result, cause) { if (cause === null) { __prom.complete(result); } else { __prom.fail(cause); } };
j_cassandraClient["close(io.vertx.core.Handler)"](function(ar) {
if (ar.succeeded()) {
__prom_completer_handler(null, null);
} else {
__prom_completer_handler(null, ar.cause());
}
});
return __prom.future();
} else if (typeof __super_close != 'undefined') {
return __super_close.apply(this, __args);
}
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_cassandraClient;
};
CassandraClient._jclass = utils.getJavaClass("io.vertx.cassandra.CassandraClient");
CassandraClient._jtype = {accept: function(obj) {
return CassandraClient._jclass.isInstance(obj._jdel);
},wrap: function(jdel) {
var obj = Object.create(CassandraClient.prototype, {});
CassandraClient.apply(obj, arguments);
return obj;
},
unwrap: function(obj) {
return obj._jdel;
}
};
CassandraClient._create = function(jdel) {var obj = Object.create(CassandraClient.prototype, {});
CassandraClient.apply(obj, arguments);
return obj;
}
/**
Create a Cassandra client which maintains its own driver session.
<p>
It is not recommended to create several non shared clients in an application.
@memberof module:vertx-cassandra-js/cassandra_client
@param vertx {Vertx} the Vert.x instance
@param options {Object} the options
@return {CassandraClient} the client
*/
CassandraClient.createNonShared = function() {
var __args = arguments;
if (__args.length === 1 && typeof __args[0] === 'object' && __args[0]._jdel) {
return utils.convReturnVertxGen(CassandraClient, JCassandraClient["createNonShared(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(CassandraClient, JCassandraClient["createNonShared(io.vertx.core.Vertx,io.vertx.cassandra.CassandraClientOptions)"](__args[0]._jdel, __args[1] != null ? new CassandraClientOptions(new JsonObject(Java.asJSONCompatible(__args[1]))) : null)) ;
}else throw new TypeError('function invoked with invalid arguments');
};
/**
Create a Cassandra client that shares its driver session with any other client having the same name.
@memberof module:vertx-cassandra-js/cassandra_client
@param vertx {Vertx} the Vert.x instance
@param clientName {string} the shared client name
@param options {Object} the options
@return {CassandraClient} the client
*/
CassandraClient.createShared = function() {
var __args = arguments;
if (__args.length === 1 && typeof __args[0] === 'object' && __args[0]._jdel) {
return utils.convReturnVertxGen(CassandraClient, JCassandraClient["createShared(io.vertx.core.Vertx)"](__args[0]._jdel)) ;
} else if (__args.length === 2 && typeof __args[0] === 'object' && __args[0]._jdel && typeof __args[1] === 'string') {
return utils.convReturnVertxGen(CassandraClient, JCassandraClient["createShared(io.vertx.core.Vertx,java.lang.String)"](__args[0]._jdel, __args[1])) ;
} else if (__args.length === 2 && typeof __args[0] === 'object' && __args[0]._jdel && (typeof __args[1] === 'object' && __args[1] != null)) {
return utils.convReturnVertxGen(CassandraClient, JCassandraClient["createShared(io.vertx.core.Vertx,io.vertx.cassandra.CassandraClientOptions)"](__args[0]._jdel, __args[1] != null ? new CassandraClientOptions(new JsonObject(Java.asJSONCompatible(__args[1]))) : null)) ;
} else if (__args.length === 3 && typeof __args[0] === 'object' && __args[0]._jdel && typeof __args[1] === 'string' && (typeof __args[2] === 'object' && __args[2] != null)) {
return utils.convReturnVertxGen(CassandraClient, JCassandraClient["createShared(io.vertx.core.Vertx,java.lang.String,io.vertx.cassandra.CassandraClientOptions)"](__args[0]._jdel, __args[1], __args[2] != null ? new CassandraClientOptions(new JsonObject(Java.asJSONCompatible(__args[2]))) : null)) ;
}else throw new TypeError('function invoked with invalid arguments');
};
CassandraClient.DEFAULT_SHARED_CLIENT_NAME = JCassandraClient.DEFAULT_SHARED_CLIENT_NAME;
module.exports = CassandraClient;