org.apache.mesos
Class Log

java.lang.Object
  org.apache.mesos.Log

public class Log
extends Object

Provides access to a distributed append only log. The log can be read from using a Log.Reader and written to using a Log.Writer.

Nested Class Summary

static class	Log.Entry Represents an opaque data entry in the Log with a Log.Position.
static class	Log.OperationFailedException An exception that gets thrown when an error occurs while performing a read or write operation.
static class	Log.Position An opaque identifier of a log entry's position within the log.
static class	Log.Reader Provides read access to the Log.
static class	Log.Writer Provides write access to the Log.
static class	Log.WriterFailedException An exception that gets thrown when a writer no longer has the ability to perform operations (e.g., because it was superseded by another writer).

Constructor Summary

Log(int quorum, String path, Set<String> pids)

Log(int quorum, String path, String servers, long timeout, TimeUnit unit, String znode)

Log(int quorum, String path, String servers, long timeout, TimeUnit unit, String znode, String scheme, byte[] credentials)

Method Summary

protected void	finalize()
protected void	initialize(int quorum, String path, Set<String> pids)
protected void	initialize(int quorum, String path, String servers, long timeout, TimeUnit unit, String znode)
protected void	initialize(int quorum, String path, String servers, long timeout, TimeUnit unit, String znode, String scheme, byte[] credentials)
Log.Position	position(byte[] identity) Returns a position based off of the bytes recovered from Position.identity().

Methods inherited from class java.lang.Object

clone, equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Log

public Log(int quorum,
           String path,
           Set<String> pids)

Log

public Log(int quorum,
           String path,
           String servers,
           long timeout,
           TimeUnit unit,
           String znode)

Log

public Log(int quorum,
           String path,
           String servers,
           long timeout,
           TimeUnit unit,
           String znode,
           String scheme,
           byte[] credentials)

Method Detail

position

public Log.Position position(byte[] identity)

Returns a position based off of the bytes recovered from Position.identity().

initialize

protected void initialize(int quorum,
                          String path,
                          Set<String> pids)

initialize

protected void initialize(int quorum,
                          String path,
                          String servers,
                          long timeout,
                          TimeUnit unit,
                          String znode)

initialize

protected void initialize(int quorum,
                          String path,
                          String servers,
                          long timeout,
                          TimeUnit unit,
                          String znode,
                          String scheme,
                          byte[] credentials)

finalize

protected void finalize()

Overrides:

finalize in class Object