* specific language governing permissions and limitations
* under the License.
*/
+
+/*jshint evil:true*/
+
+/**
+ * The Thrift namespace houses the Apache Thrift JavaScript library
+ * elements providing JavaScript bindings for the Apache Thrift RPC
+ * system. Users will typically only directly make use of the
+ * Transport and Protocol constructors.
+ * @namespace
+ * @example
+ * var transport = new Thrift.Transport("http://localhost:8585");
+ * var protocol = new Thrift.Protocol(transport);
+ * var client = new MyThriftSvcClient(protocol);
+ * var result = client.MyMethod();
+ */
var Thrift = {
+ /**
+ * Thrift JavaScript library version.
+ * @readonly
+ * @const {string} Version
+ * @memberof Thrift
+ */
Version: '1.0.0-dev',
-/*
- Description: 'JavaScript bindings for the Apache Thrift RPC system',
- License: 'http://www.apache.org/licenses/LICENSE-2.0',
- Homepage: 'http://thrift.apache.org',
- BugReports: 'https://issues.apache.org/jira/browse/THRIFT',
- Maintainer: 'dev@thrift.apache.org',
-*/
+ /**
+ * Thrift IDL type string to Id mapping.
+ * @readonly
+ * @property {number} STOP - End of a set of fields.
+ * @property {number} VOID - No value (only legal for return types).
+ * @property {number} BOOL - True/False integer.
+ * @property {number} BYTE - Signed 8 bit integer.
+ * @property {number} I08 - Signed 8 bit integer.
+ * @property {number} DOUBLE - 64 bit IEEE 854 floating point.
+ * @property {number} I16 - Signed 16 bit integer.
+ * @property {number} I32 - Signed 32 bit integer.
+ * @property {number} I64 - Signed 64 bit integer.
+ * @property {number} STRING - Array of bytes representing a string of characters.
+ * @property {number} UTF7 - Array of bytes representing a string of UTF7 encoded characters.
+ * @property {number} STRUCT - A multifield type.
+ * @property {number} MAP - A collection type (map/associative-array/dictionary).
+ * @property {number} SET - A collection type (unordered and without repeated values).
+ * @property {number} LIST - A collection type (unordered).
+ * @property {number} UTF8 - Array of bytes representing a string of UTF8 encoded characters.
+ * @property {number} UTF16 - Array of bytes representing a string of UTF16 encoded characters.
+ */
Type: {
'STOP' : 0,
'VOID' : 1,
'UTF16' : 17
},
+ /**
+ * Thrift RPC message type string to Id mapping.
+ * @readonly
+ * @property {number} CALL - RPC call sent from client to server.
+ * @property {number} REPLY - RPC call normal response from server to client.
+ * @property {number} EXCEPTION - RPC call exception response from server to client.
+ * @property {number} ONEWAY - Oneway RPC call from client to server with no response.
+ */
MessageType: {
'CALL' : 1,
'REPLY' : 2,
- 'EXCEPTION' : 3
+ 'EXCEPTION' : 3,
+ 'ONEWAY' : 4
},
+ /**
+ * Utility function returning the count of an object's own properties.
+ * @param {object} obj - Object to test.
+ * @returns {number} number of object's own properties
+ */
objectLength: function(obj) {
var length = 0;
for (var k in obj) {
return length;
},
- inherits: function(constructor, superConstructor) {
- //Prototypal Inheritance http://javascript.crockford.com/prototypal.html
+ /**
+ * Utility function to establish prototype inheritance.
+ * @see {@link http://javascript.crockford.com/prototypal.html|Prototypal Inheritance}
+ * @param {function} constructor - Contstructor function to set as derived.
+ * @param {function} superConstructor - Contstructor function to set as base.
+ * @param {string} [name] - Type name to set as name property in derived prototype.
+ */
+ inherits: function(constructor, superConstructor, name) {
function F() {}
F.prototype = superConstructor.prototype;
constructor.prototype = new F();
+ constructor.prototype.name = name || "";
}
};
-
-
+/**
+ * Initializes a Thrift TException instance.
+ * @constructor
+ * @augments Error
+ * @param {string} message - The TException message (distinct from the Error message).
+ * @classdesc TException is the base class for all Thrift exceptions types.
+ */
Thrift.TException = function(message) {
this.message = message;
};
-Thrift.inherits(Thrift.TException, Error);
-Thrift.TException.prototype.name = 'TException';
+Thrift.inherits(Thrift.TException, Error, 'TException');
+/**
+ * Returns the message set on the exception.
+ * @readonly
+ * @returns {string} exception message
+ */
+Thrift.TException.prototype.getMessage = function() {
+ return this.message;
+};
+
+/**
+ * Thrift Application Exception type string to Id mapping.
+ * @readonly
+ * @property {number} UNKNOWN - Unknown/undefined.
+ * @property {number} UNKNOWN_METHOD - Client attempted to call a method unknown to the server.
+ * @property {number} INVALID_MESSAGE_TYPE - Client passed an unknown/unsupported MessageType.
+ * @property {number} WRONG_METHOD_NAME - Unused.
+ * @property {number} BAD_SEQUENCE_ID - Unused in Thrift RPC, used to flag proprietary sequence number errors.
+ * @property {number} MISSING_RESULT - Raised by a server processor if a handler fails to supply the required return result.
+ * @property {number} INTERNAL_ERROR - Something bad happened.
+ * @property {number} PROTOCOL_ERROR - The protocol layer failed to serialize or deserialize data.
+ * @property {number} INVALID_TRANSFORM - Unused.
+ * @property {number} INVALID_PROTOCOL - The protocol (or version) is not supported.
+ * @property {number} UNSUPPORTED_CLIENT_TYPE - Unused.
+ */
Thrift.TApplicationExceptionType = {
'UNKNOWN' : 0,
'UNKNOWN_METHOD' : 1,
'UNSUPPORTED_CLIENT_TYPE' : 10
};
+/**
+ * Initializes a Thrift TApplicationException instance.
+ * @constructor
+ * @augments Thrift.TException
+ * @param {string} message - The TApplicationException message (distinct from the Error message).
+ * @param {Thrift.TApplicationExceptionType} [code] - The TApplicationExceptionType code.
+ * @classdesc TApplicationException is the exception class used to propagate exceptions from an RPC server back to a calling client.
+*/
Thrift.TApplicationException = function(message, code) {
this.message = message;
- this.code = (code === null) ? 0 : code;
+ this.code = typeof code === "number" ? code : 0;
};
-Thrift.inherits(Thrift.TApplicationException, Thrift.TException);
-Thrift.TApplicationException.prototype.name = 'TApplicationException';
+Thrift.inherits(Thrift.TApplicationException, Thrift.TException, 'TApplicationException');
+/**
+ * Read a TApplicationException from the supplied protocol.
+ * @param {object} input - The input protocol to read from.
+ */
Thrift.TApplicationException.prototype.read = function(input) {
while (1) {
var ret = input.readFieldBegin();
input.readStructEnd();
};
+/**
+ * Wite a TApplicationException to the supplied protocol.
+ * @param {object} output - The output protocol to write to.
+ */
Thrift.TApplicationException.prototype.write = function(output) {
- var xfer = 0;
-
output.writeStructBegin('TApplicationException');
if (this.message) {
output.writeStructEnd();
};
+/**
+ * Returns the application exception code set on the exception.
+ * @readonly
+ * @returns {Thrift.TApplicationExceptionType} exception code
+ */
Thrift.TApplicationException.prototype.getCode = function() {
return this.code;
};
-Thrift.TApplicationException.prototype.getMessage = function() {
- return this.message;
-};
-
/**
- *If you do not specify a url then you must handle ajax on your own.
- *This is how to use js bindings in a async fashion.
+ * Initializes a Thrift Http[s] transport instance.
+ * Note: If you do not specify a url then you must handle XHR on your own
+ * (this is how to use js bindings in a async fashion).
+ * @constructor
+ * @param {string} [url] - The URL to connect to.
+ * @classdesc The Apache Thrift Transport layer performs byte level I/O between RPC
+ * clients and servers. The JavaScript Transport object type uses Http[s]/XHR and is
+ * the sole browser based Thrift transport. Target servers must implement the http[s]
+ * transport (see: node.js example server).
+ * @example
+ * var transport = new Thrift.Transport("http://localhost:8585");
*/
Thrift.Transport = function(url) {
this.url = url;
};
Thrift.Transport.prototype = {
-
- //Gets the browser specific XmlHttpRequest Object
+ /**
+ * Gets the browser specific XmlHttpRequest Object.
+ * @returns {object} the browser XHR interface object
+ */
getXmlHttpRequestObject: function() {
try { return new XMLHttpRequest(); } catch (e1) { }
try { return new ActiveXObject('Msxml2.XMLHTTP'); } catch (e2) { }
try { return new ActiveXObject('Microsoft.XMLHTTP'); } catch (e3) { }
- throw "Your browser doesn't support the XmlHttpRequest object.";
+ throw "Your browser doesn't support XHR.";
},
+ /**
+ * Sends the current XRH request if the transport was created with a URL and
+ * the async parameter if false. If the transport was not created with a URL
+ * or the async parameter is True or the URL is an empty string, the current
+ * send buffer is returned.
+ * @param {object} async - If true the current send buffer is returned.
+ * @returns {undefined|string} Nothing or the current send buffer.
+ * @throws {string} If XHR fails.
+ */
flush: function(async) {
//async mode
if (async || this.url === undefined || this.url === '') {
this.rpos = 0;
},
+ /**
+ * Creates a jQuery XHR object to be used for a Thrift server call.
+ * @param {object} client - The Thrift Service client object generated by the IDL compiler.
+ * @param {object} postData - The message to send to the server.
+ * @param {function} args - The function to call if the request suceeds.
+ * @param {function} recv_method - The Thrift Service Client receive method for the call.
+ * @returns {object} A new jQuery XHR object.
+ * @throws {string} If the jQuery version is prior to 1.5 or if jQuery is not found.
+ */
jqRequest: function(client, postData, args, recv_method) {
if (typeof jQuery === 'undefined' ||
typeof jQuery.Deferred === 'undefined') {
return jqXHR;
},
+ /**
+ * Sets the buffer to use when receiving server responses.
+ * @param {string} buf - The buffer to receive server responses.
+ */
setRecvBuffer: function(buf) {
this.recv_buf = buf;
this.recv_buf_sz = this.recv_buf.length;
this.rpos = 0;
},
+ /**
+ * Returns true if the transport is open, in browser based JavaScript
+ * this function always returns true.
+ * @readonly
+ * @returns {boolean} Always True.
+ */
isOpen: function() {
return true;
},
+ /**
+ * Opens the transport connection, in browser based JavaScript
+ * this function is a nop.
+ */
open: function() {},
+ /**
+ * Closes the transport connection, in browser based JavaScript
+ * this function is a nop.
+ */
close: function() {},
+ /**
+ * Returns the specified number of characters from the response
+ * buffer.
+ * @param {number} len - The number of characters to return.
+ * @returns {string} Characters sent by the server.
+ */
read: function(len) {
var avail = this.wpos - this.rpos;
return ret;
},
+ /**
+ * Returns the entire response buffer.
+ * @returns {string} Characters sent by the server.
+ */
readAll: function() {
return this.recv_buf;
},
+ /**
+ * Sets the send buffer to buf.
+ * @param {string} buf - The buffer to send.
+ */
write: function(buf) {
this.send_buf = buf;
},
+ /**
+ * Returns the send buffer.
+ * @readonly
+ * @returns {string} The send buffer.
+ */
getSendBuffer: function() {
return this.send_buf;
}
};
-
-
+/**
+ * Initializes a Thrift JSON protocol instance.
+ * @constructor
+ * @param {Thrift.Transport} transport - The transport to serialize to/from.
+ * @classdesc Apache Thrift Protocols perform serialization which enables cross
+ * language RPC. The Protocol type is the JavaScript browser implementation
+ * of the Apache Thrift TJSONProtocol.
+ * @example
+ * var protocol = new Thrift.Protocol(transport);
+ */
Thrift.Protocol = function(transport) {
this.transport = transport;
};
+/**
+ * Thrift IDL type Id to string mapping.
+ * @readonly
+ * @see {@link Thrift.Type}
+ */
Thrift.Protocol.Type = {};
Thrift.Protocol.Type[Thrift.Type.BOOL] = '"tf"';
Thrift.Protocol.Type[Thrift.Type.BYTE] = '"i8"';
Thrift.Protocol.Type[Thrift.Type.LIST] = '"lst"';
Thrift.Protocol.Type[Thrift.Type.SET] = '"set"';
-
+/**
+ * Thrift IDL type string to Id mapping.
+ * @readonly
+ * @see {@link Thrift.Type}
+ */
Thrift.Protocol.RType = {};
Thrift.Protocol.RType.tf = Thrift.Type.BOOL;
Thrift.Protocol.RType.i8 = Thrift.Type.BYTE;
Thrift.Protocol.RType.lst = Thrift.Type.LIST;
Thrift.Protocol.RType.set = Thrift.Type.SET;
-Thrift.Protocol.Version = 1;
+/**
+ * The TJSONProtocol version number.
+ * @readonly
+ * @const {number} Version
+ * @memberof Thrift.Protocol
+ */
+ Thrift.Protocol.Version = 1;
Thrift.Protocol.prototype = {
-
+ /**
+ * Returns the underlying transport.
+ * @readonly
+ * @returns {Thrift.Transport} The underlying transport.
+ */
getTransport: function() {
return this.transport;
},
- //Write functions
+ /**
+ * Serializes the beginning of a Thrift RPC message.
+ * @param {string} name - The service method to call.
+ * @param {Thrift.MessageType} messageType - The type of method call.
+ * @param {number} seqid - The sequence number of this call (always 0 in Apache Thrift).
+ */
writeMessageBegin: function(name, messageType, seqid) {
this.tstack = [];
this.tpos = [];
name + '"', messageType, seqid]);
},
+ /**
+ * Serializes the end of a Thrift RPC message.
+ */
writeMessageEnd: function() {
var obj = this.tstack.pop();
},
+ /**
+ * Serializes the beginning of a struct.
+ * @param {string} name - The name of the struct.
+ */
writeStructBegin: function(name) {
this.tpos.push(this.tstack.length);
this.tstack.push({});
},
+ /**
+ * Serializes the end of a struct.
+ */
writeStructEnd: function() {
var p = this.tpos.pop();
this.tstack[p] = str;
},
+ /**
+ * Serializes the beginning of a struct field.
+ * @param {string} name - The name of the field.
+ * @param {Thrift.Protocol.Type} fieldType - The data type of the field.
+ * @param {number} fieldId - The field's unique identifier.
+ */
writeFieldBegin: function(name, fieldType, fieldId) {
this.tpos.push(this.tstack.length);
this.tstack.push({ 'fieldId': '"' +
},
+ /**
+ * Serializes the end of a field.
+ */
writeFieldEnd: function() {
var value = this.tstack.pop();
var fieldInfo = this.tstack.pop();
this.tpos.pop();
},
+ /**
+ * Serializes the end of the set of fields for a struct.
+ */
writeFieldStop: function() {
//na
},
+ /**
+ * Serializes the beginning of a map collection.
+ * @param {Thrift.Type} keyType - The data type of the key.
+ * @param {Thrift.Type} valType - The data type of the value.
+ * @param {number} [size] - The number of elements in the map (ignored).
+ */
writeMapBegin: function(keyType, valType, size) {
- //size is invalid, we'll set it on end.
this.tpos.push(this.tstack.length);
this.tstack.push([Thrift.Protocol.Type[keyType],
Thrift.Protocol.Type[valType], 0]);
},
+ /**
+ * Serializes the end of a map.
+ */
writeMapEnd: function() {
var p = this.tpos.pop();
this.tstack[p] = '[' + this.tstack[p].join(',') + ']';
},
+ /**
+ * Serializes the beginning of a list collection.
+ * @param {Thrift.Type} elemType - The data type of the elements.
+ * @param {number} size - The number of elements in the list.
+ */
writeListBegin: function(elemType, size) {
this.tpos.push(this.tstack.length);
this.tstack.push([Thrift.Protocol.Type[elemType], size]);
},
+ /**
+ * Serializes the end of a list.
+ */
writeListEnd: function() {
var p = this.tpos.pop();
this.tstack[p] = '[' + this.tstack[p].join(',') + ']';
},
+ /**
+ * Serializes the beginning of a set collection.
+ * @param {Thrift.Type} elemType - The data type of the elements.
+ * @param {number} size - The number of elements in the list.
+ */
writeSetBegin: function(elemType, size) {
this.tpos.push(this.tstack.length);
this.tstack.push([Thrift.Protocol.Type[elemType], size]);
},
+ /**
+ * Serializes the end of a set.
+ */
writeSetEnd: function() {
var p = this.tpos.pop();
this.tstack[p] = '[' + this.tstack[p].join(',') + ']';
},
+ /** Serializes a boolean */
writeBool: function(value) {
this.tstack.push(value ? 1 : 0);
},
+ /** Serializes a number */
writeByte: function(i8) {
this.tstack.push(i8);
},
+ /** Serializes a number */
writeI16: function(i16) {
this.tstack.push(i16);
},
+ /** Serializes a number */
writeI32: function(i32) {
this.tstack.push(i32);
},
+ /** Serializes a number */
writeI64: function(i64) {
this.tstack.push(i64);
},
+ /** Serializes a number */
writeDouble: function(dbl) {
this.tstack.push(dbl);
},
+ /** Serializes a string */
writeString: function(str) {
// We do not encode uri components for wire transfer:
if (str === null) {
}
},
+ /** Serializes a string */
writeBinary: function(str) {
this.writeString(str);
},
-
-
- // Reading functions
+ /**
+ @class
+ @name AnonReadMessageBeginReturn
+ @property {string} fname - The name of the service method.
+ @property {Thrift.MessageType} mtype - The type of message call.
+ @property {number} rseqid - The sequence number of the message (0 in Thrift RPC).
+ */
+ /**
+ * Deserializes the beginning of a message.
+ * @returns {AnonReadMessageBeginReturn}
+ */
readMessageBegin: function() {
this.rstack = [];
this.rpos = [];
return r;
},
+ /** Deserializes the end of a message. */
readMessageEnd: function() {
},
+ /**
+ * Deserializes the beginning of a struct.
+ * @param {string} [name] - The name of the struct (ignored)
+ * @returns {object} - An object with an empty string fname property
+ */
readStructBegin: function(name) {
var r = {};
r.fname = '';
return r;
},
+ /** Deserializes the end of a struct. */
readStructEnd: function() {
if (this.rstack[this.rstack.length - 2] instanceof Array) {
this.rstack.pop();
}
},
+ /**
+ @class
+ @name AnonReadFieldBeginReturn
+ @property {string} fname - The name of the field (always '').
+ @property {Thrift.Type} ftype - The data type of the field.
+ @property {number} fid - The unique identifier of the field.
+ */
+ /**
+ * Deserializes the beginning of a field.
+ * @returns {AnonReadFieldBeginReturn}
+ */
readFieldBegin: function() {
var r = {};
return r;
},
+ /** Deserializes the end of a field. */
readFieldEnd: function() {
var pos = this.rpos.pop();
},
+ /**
+ @class
+ @name AnonReadMapBeginReturn
+ @property {Thrift.Type} ktype - The data type of the key.
+ @property {Thrift.Type} vtype - The data type of the value.
+ @property {number} size - The number of elements in the map.
+ */
+ /**
+ * Deserializes the beginning of a map.
+ * @returns {AnonReadMapBeginReturn}
+ */
readMapBegin: function() {
var map = this.rstack.pop();
return r;
},
+ /** Deserializes the end of a map. */
readMapEnd: function() {
this.readFieldEnd();
},
+ /**
+ @class
+ @name AnonReadColBeginReturn
+ @property {Thrift.Type} etype - The data type of the element.
+ @property {number} size - The number of elements in the collection.
+ */
+ /**
+ * Deserializes the beginning of a list.
+ * @returns {AnonReadColBeginReturn}
+ */
readListBegin: function() {
var list = this.rstack[this.rstack.length - 1];
return r;
},
+ /** Deserializes the end of a list. */
readListEnd: function() {
this.readFieldEnd();
},
+ /**
+ * Deserializes the beginning of a set.
+ * @returns {AnonReadColBeginReturn}
+ */
readSetBegin: function(elemType, size) {
return this.readListBegin(elemType, size);
},
+ /** Deserializes the end of a set. */
readSetEnd: function() {
return this.readListEnd();
},
+ /** Returns an object with a value property set to
+ * False unless the next number in the protocol buffer
+ * is 1, in which case teh value property is True */
readBool: function() {
var r = this.readI32();
return r;
},
+ /** Returns the an object with a value property set to the
+ next value found in the protocol buffer */
readByte: function() {
return this.readI32();
},
+ /** Returns the an object with a value property set to the
+ next value found in the protocol buffer */
readI16: function() {
return this.readI32();
},
+ /** Returns the an object with a value property set to the
+ next value found in the protocol buffer */
readI32: function(f) {
if (f === undefined) {
f = this.rstack[this.rstack.length - 1];
return r;
},
+ /** Returns the an object with a value property set to the
+ next value found in the protocol buffer */
readI64: function() {
return this.readI32();
},
+ /** Returns the an object with a value property set to the
+ next value found in the protocol buffer */
readDouble: function() {
return this.readI32();
},
+ /** Returns the an object with a value property set to the
+ next value found in the protocol buffer */
readString: function() {
var r = this.readI32();
return r;
},
+ /** Returns the an object with a value property set to the
+ next value found in the protocol buffer */
readBinary: function() {
return this.readString();
},
-
- //Method to arbitrarily skip over data.
+ /**
+ * Method to arbitrarily skip over data (not implemented).
+ * @throws {string} this method is not implemented and always throws.
+ */
skip: function(type) {
throw 'skip not supported yet';
}