How to get a list of updated metadata objects using Metadata API?

Question

i.e. I want to get a list of all CustomObjects, ApexClasses etc. which were updated since a given point in time. The only thing I have so far is:

for (String type : types) {
    ListMetadataQuery q1 = new ListMetadataQuery();
    q1.setType(type);
    ListMetadataQuery[] queries = new ListMetadataQuery[]{q1};
    FileProperties[] fps = metadataConnection.listMetadata(queries, 31.0);
    for (FileProperties fp : fps) {
        if (fp.getLastModifiedDate() > pointInTimeX) {
            doSomething(fp);
        }
    }
}

Needless to say, but I'd rather have it filtered on server side.

Answer 1

There is no filtration available in the metadata api queries.

You will have to do the following:

1. Fire a listMetadata Request, with

Type = 'ApexClass' and Folder = ''

Type = 'CustomObject' and Folder = ''

2. Process the response to filter the results, The Response Looks something like

    {
           "createdById": "00520000003eLmNAAU",
           "createdByName": "Gunish Rai Chawla",
           "createdDate": "2014-04-28T17:41:05.000Z",
           "fileName": "objects/CHANNEL_ORDERS__Service_Order__c.object",
           "fullName": "CHANNEL_ORDERS__Service_Order__c",
           "id": "01I20000000icvUEAQ",
           "lastModifiedById": "00520000003eLmNAAU",
           "lastModifiedByName": "Gunish Rai Chawla",
           "lastModifiedDate": "2014-04-28T17:41:05.000Z",
           "manageableState": "installed",
           "namespacePrefix": "CHANNEL_ORDERS",
           "type": "CustomObject"
         },
   

Then filter by lastModifiedDate.