Example usage for com.mongodb DBObject putAll

Introduction

In this page you can find the example usage for com.mongodb DBObject putAll.

Prototype

void putAll(BSONObject o);

Source Link

Document

Sets all key/value pairs from an object into this object

Usage

From source file:v7db.files.mongodb.V7GridFS.java

License:Open Source License

private void updateContents(DBObject metaData, InputStream contents) throws IOException {

    Object fileId = metaData.get("_id");
    ContentPointer oldContents = getContentPointer(metaData);
    String filename = (String) metaData.get("filename");
    String contentType = (String) metaData.get("contentType");

    BSONObject newContent = storage.insertContentsAndBackRefs(contents, fileId, filename, contentType);

    // check if it has changed
    ContentPointer newContents = getContentPointer(newContent);
    if (newContents.contentEquals(oldContents))
        return;//from w w  w.ja  v  a  2 s .  c  om

    metaData.removeField("sha");
    metaData.removeField("length");
    metaData.removeField("in");

    metaData.putAll(newContent);

    updateMetaData(metaData);
}

From source file:v7db.files.mongodb.V7GridFS.java

License:Open Source License

private void updateContents(DBObject metaData, byte[] contents, int offset, int len) throws IOException {

    Object fileId = metaData.get("_id");
    ContentPointer oldContents = getContentPointer(metaData);
    String filename = (String) metaData.get("filename");
    String contentType = (String) metaData.get("contentType");

    // for up to 55 bytes, storing the complete file inline
    // takes less space than just storing the SHA-1 and length
    // 20 (SHA-1) + 1 (sha - in) + 6 (length) + 4 (int32) + 2*12
    // (ObjectId back-references)
    BSONObject newContent = storage.inlineOrInsertContentsAndBackRefs(55, contents, offset, len, fileId,
            filename, contentType);/*w w  w.  j ava2s .c o  m*/

    // check if it has changed
    ContentPointer newContents = getContentPointer(newContent);
    if (newContents.contentEquals(oldContents))
        return;

    metaData.removeField("sha");
    metaData.removeField("length");
    metaData.removeField("in");

    metaData.putAll(newContent);

    updateMetaData(metaData);
}

From source file:v7views.mongo.V7Collection.java

License:Open Source License

private DBObject merge(BSONBackedObject filter, DBObject baseFilter) {
    DBObject x = filter == null ? new BasicDBObject() : filter.getDBObject();
    if (baseFilter != null) {
        x.putAll(baseFilter);
    }/*from  ww w  . j  a va 2  s.c  o  m*/
    return x;
}