org.nuxeo.ecm.core.storage.sql
Class LazyBinary

java.lang.Object
  org.nuxeo.ecm.core.storage.sql.Binary
      org.nuxeo.ecm.core.storage.sql.LazyBinary

All Implemented Interfaces:

Serializable

public abstract class LazyBinary
extends Binary

Base class for a lazy Binary that fetches its remote stream on first access.

The methods fetchFile(java.io.File) and fetchLength() must be implemented by the concrete class.

See Also:

Serialized Form

Constructor Summary

LazyBinary(String digest, FileCache fileCache)
A lazy binary for the given digest.

Method Summary

long	getLength() Gets the length of the binary.
InputStream	getStream() Gets an input stream for the binary.

Methods inherited from class org.nuxeo.ecm.core.storage.sql.Binary

getDigest, getStreamSource, toString

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

LazyBinary

public LazyBinary(String digest,
                  FileCache fileCache)

A lazy binary for the given digest.

Parameters:

digest - the digest for the binary

fileCache - a file cache used by the length-caching methods

Method Detail

getStream

public InputStream getStream()
                      throws IOException

Description copied from class: Binary

Gets an input stream for the binary.

Overrides:

getStream in class Binary

Returns:

the input stream

Throws:

IOException

getLength

public long getLength()

Description copied from class: Binary

Gets the length of the binary.

Overrides:

getLength in class Binary

Returns:

the length of the binary