Database.com Metadata API Developer's Guide - Salesforce.com

CRUD-Based CallscreateMetadata()}// set initial wait time to one second in millisecondslong waitTimeMilliSecs = 1000;while (!asyncResult.isDone()) {Thread.sleep(waitTimeMilliSecs);// double the wait time for the next iterationwaitTimeMilliSecs *= 2;asyncResult = metadataConnection.checkStatus(new String[] {asyncResult.getId()})[0];System.out.println("Status is: " + asyncResult.getState());}if (asyncResult.getState() != AsyncRequestState.Completed) {System.out.println(asyncResult.getStatusCode() + " msg: " +asyncResult.getMessage());}} catch (InterruptedException ie) {ie.printStackTrace();} catch (ConnectionException ce) {ce.printStackTrace();}ArgumentsNamemetadataTypeUpdateMetadata[]DescriptionArray of one or more UpdateMetadata data structures that representthe components you wish to update.Limit: 10.You must submit arrays of only one type of component. For example,you could submit an array of 10 custom objects or 10 profiles, butnot a mix of both types.UpdateMetadataOne or more UpdateMetadata objects are defined in the metadata argument. This object can be used to update any of theobjects that extend Metadata. For more details, see Metadata Components and Types on page 75. Each UpdateMetadataobject has the following fields:FieldcurrentNamemetadataField TypestringMetadataDescriptionThe API name of the component or field before the update. Forexample, if you wanted to update a CustomObject named Foo, thevalue of this field would be Foo__c. This value is supplied becausethis call may change the name, and the value here provides mapping.Full specification of the component or field you wish to update.ResponseAsyncResult[]createMetadata()Adds one or more new metadata components to your organization synchronously.46