Package org.apache.jena.dboe.base.file
package org.apache.jena.dboe.base.file
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ClassDescriptionException throws when an attempt to take a
ProcessFileLockwith a call ofProcessFileLock.lockEx()is made and the lock is already held.An append-only, read-anywhere, binary file.Implementation ofBinaryDataFilein memory for testing and development use.Implementation ofBinaryDataFileusingRandomAccessFile.Add synchronization to all BinaryDataFile operations.Implementation ofBinaryDataFileadding write buffering to anotherBinaryDataFilefile, such as aBinaryDataFileRandomAccess.Interface to concrete storage - read and write Blocks, addressed by id.Support for a disk file backed FileAccessFileAccess interface backed by a byte array.FileAccess for a file, using memory mapped I/OFile access layer that simulates a disk in-memory - for testing, not written for efficiency.Interface to storage : a simplified version of FileChannel.Naming metadata management to a collection of related files (same directory, same basename within directory, various extensions).Wrapper for a file system directory; can create filenames in that directory.Abstraction and many convenience operations on metadata.A simple packaging around aFileLock.A segmented, expanding buffer of bytes.