GridFSDBFile

Class Overview

This class enables to retrieve a GridFS file metadata and content. Operations include: - writing data to a file on disk or an OutputStream - getting each chunk as a byte array - getting an InputStream to stream the data into

Summary

[Expand] Inherited Fields
From class com.mongodb.gridfs.GridFSFile protected GridFS _fs

[Expand] Inherited Methods
From class com.mongodb.gridfs.GridFSFile boolean containsField(String s) Checks if this object contains a field with the given name. boolean containsKey(String s) Deprecated Object get(String key) Gets a field from this object by a given name. List<String> getAliases() Gets the aliases from the metadata. long getChunkSize() Gets the size of a chunk String getContentType() Gets the content type String getFilename() Gets the filename Object getId() Gets the id long getLength() Gets the file's length String getMD5() Gets the observed MD5 during transfer DBObject getMetaData() Gets the file metadata Date getUploadDate() Gets the upload date boolean isPartialObject() whether markAsPartialObject was ever called only matters if you are going to upsert and do not want to risk losing fields Set<String> keySet() Returns this object's fields' names void markAsPartialObject() if this object was retrieved with only some fields (using a field filter) this method will be called to mark it as such. int numChunks() Returns the number of chunks that store the file data Object put(String key, Object v) Sets a name/value pair in this object. void putAll(Map m) Sets all key/value pairs from a map into this object void putAll(BSONObject o) Sets all key/value pairs from an object into this object Object removeField(String key) Removes a field with a given name from this object. void save() Saves the file entry to the files collection void setGridFS(GridFS fs) Sets the GridFS associated with this file void setMetaData(DBObject metadata) Gets the file metadata Map toMap() Returns a map representing this BSONObject. String toString() void validate() Verifies that the MD5 matches between the database and the local file.
From class java.lang.Object Object clone() boolean equals(Object arg0) void finalize() final Class<?> getClass() int hashCode() final void notify() final void notifyAll() String toString() final void wait() final void wait(long arg0, int arg1) final void wait(long arg0)
From interface com.mongodb.DBObject abstract boolean isPartialObject() whether markAsPartialObject was ever called only matters if you are going to upsert and do not want to risk losing fields abstract void markAsPartialObject() if this object was retrieved with only some fields (using a field filter) this method will be called to mark it as such.
From interface org.bson.BSONObject abstract boolean containsField(String s) Checks if this object contains a field with the given name. abstract boolean containsKey(String s) This method is deprecated. No replacement. abstract Object get(String key) Gets a field from this object by a given name. abstract Set<String> keySet() Returns this object's fields' names abstract Object put(String key, Object v) Sets a name/value pair in this object. abstract void putAll(BSONObject o) Sets all key/value pairs from an object into this object abstract void putAll(Map m) Sets all key/value pairs from a map into this object abstract Object removeField(String key) Removes a field with a given name from this object. abstract Map toMap() Returns a map representing this BSONObject.