gr.uoa.di.madgik.searchlibrary.operatorlibrary.datasink
Class DataSink

java.lang.Object
  java.lang.Thread
      gr.uoa.di.madgik.searchlibrary.operatorlibrary.datasink.DataSink

All Implemented Interfaces:

Runnable

Direct Known Subclasses:

FTPDataSink, JDBCDataSink, PathDataSink

public abstract class DataSink
extends Thread

The DataSink abstract class is extended by all classes that will be used as a data sink.

Author:

john.gerbesiotis - DI NKUA

Nested Class Summary

Nested classes/interfaces inherited from class java.lang.Thread

Thread.State, Thread.UncaughtExceptionHandler

Field Summary

protected gr.uoa.di.madgik.grs.record.RecordDefinition[]	fieldDefs The field definition of the reader
protected URI	inLocator The locator of the input
protected String	output Output value of the DataSink
protected Map<String,String>	outputParameters Output parameters of the DataSink
protected gr.uoa.di.madgik.searchlibrary.operatorlibrary.stats.StatsContainer	stats Statistics
protected long	timeout
protected TimeUnit	timeUnit

Fields inherited from class java.lang.Thread

MAX_PRIORITY, MIN_PRIORITY, NORM_PRIORITY

Constructor Summary

DataSink(URI inLocator, String output, Map<String,String> outputParameters, gr.uoa.di.madgik.searchlibrary.operatorlibrary.stats.StatsContainer stats)
Constructor of the abstract class.

Method Summary

abstract String	getOutput() Abstract method used to retrieve output
void	setTimeout(long timeout)
void	setTimeUnit(TimeUnit timeUnit)

Methods inherited from class java.lang.Thread

activeCount, checkAccess, countStackFrames, currentThread, destroy, dumpStack, enumerate, getAllStackTraces, getContextClassLoader, getDefaultUncaughtExceptionHandler, getId, getName, getPriority, getStackTrace, getState, getThreadGroup, getUncaughtExceptionHandler, holdsLock, interrupt, interrupted, isAlive, isDaemon, isInterrupted, join, join, join, resume, run, setContextClassLoader, setDaemon, setDefaultUncaughtExceptionHandler, setName, setPriority, setUncaughtExceptionHandler, sleep, sleep, start, stop, stop, suspend, toString, yield

Methods inherited from class java.lang.Object

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

Field Detail

output

protected String output

Output value of the DataSink

outputParameters

protected Map<String,String> outputParameters

Output parameters of the DataSink

inLocator

protected URI inLocator

The locator of the input

fieldDefs

protected gr.uoa.di.madgik.grs.record.RecordDefinition[] fieldDefs

The field definition of the reader

timeout

protected long timeout

timeUnit

protected TimeUnit timeUnit

stats

protected gr.uoa.di.madgik.searchlibrary.operatorlibrary.stats.StatsContainer stats

Statistics

Constructor Detail

DataSink

public DataSink(URI inLocator,
                String output,
                Map<String,String> outputParameters,
                gr.uoa.di.madgik.searchlibrary.operatorlibrary.stats.StatsContainer stats)
         throws Exception

Constructor of the abstract class. Used for initialization.

Parameters:

inLocator - input locator of the consuming result set

output - output value of the DataSink

outputParameters - output parameters of the DataSink

stats - statistics container

Throws:

Exception - If the initialization of the DataSink fails

Method Detail

getOutput

public abstract String getOutput()

Abstract method used to retrieve output

Returns:

An output description

setTimeout

public void setTimeout(long timeout)

Parameters:

timeout - the timeout to set

setTimeUnit

public void setTimeUnit(TimeUnit timeUnit)

Parameters:

timeUnit - the timeUnit to set