org.eclipse.scada.hd.server.storage.common

Class QueryBuffer

java.lang.Object

org.eclipse.scada.hd.server.storage.common.QueryDataBuffer

org.eclipse.scada.hd.server.storage.common.QueryBuffer

public class QueryBuffer
extends QueryDataBuffer

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
protected static class	QueryBuffer.Data

Field Summary

Fields inherited from class org.eclipse.scada.hd.server.storage.common.QueryDataBuffer

AVG, MAX, MIN, state, STDDEV

Constructor Summary

Constructors

Constructor and Description
QueryBuffer(QueryListener listener, java.util.concurrent.ScheduledExecutorService executor, java.util.Date fixedStartDate, java.util.Date fixedEndDate)

Method Summary

Methods

Modifier and Type	Method and Description
void	changeParameters(QueryParameters parameters)
void	close()
void	complete()
protected org.eclipse.scada.hd.server.storage.common.QueryBuffer.Entry	findNextEntry(int i)
protected org.eclipse.scada.hd.server.storage.common.QueryBuffer.Entry	findPreviousEntry(int i)
protected QueryDataBuffer.Data[]	getData()
QueryParameters	getParameters()
void	insertData(double value, java.util.Date timestamp, boolean error, boolean manual)
void	insertData(org.eclipse.scada.hd.server.storage.common.QueryBuffer.Entry entry) Insert data when loading
void	updateData(double value, java.util.Date timestamp, boolean error, boolean manual) Update data after loading has completed

Methods inherited from class org.eclipse.scada.hd.server.storage.common.QueryDataBuffer

fillDataCells, fillDataCells, notifyData, notifyData, notifyParameterUpdate, notifyStateUpdate

Methods inherited from class java.lang.Object

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

Constructor Detail

QueryBuffer

public QueryBuffer(QueryListener listener,
           java.util.concurrent.ScheduledExecutorService executor,
           java.util.Date fixedStartDate,
           java.util.Date fixedEndDate)

Method Detail

getData

protected QueryDataBuffer.Data[] getData()

Specified by:

getData in class QueryDataBuffer

changeParameters

public void changeParameters(QueryParameters parameters)

getParameters

public QueryParameters getParameters()

insertData

public void insertData(double value,
              java.util.Date timestamp,
              boolean error,
              boolean manual)

insertData

public void insertData(org.eclipse.scada.hd.server.storage.common.QueryBuffer.Entry entry)

Insert data when loading

findPreviousEntry

protected org.eclipse.scada.hd.server.storage.common.QueryBuffer.Entry findPreviousEntry(int i)

findNextEntry

protected org.eclipse.scada.hd.server.storage.common.QueryBuffer.Entry findNextEntry(int i)

complete

public void complete()

close

public void close()

updateData

public void updateData(double value,
              java.util.Date timestamp,
              boolean error,
              boolean manual)

Update data after loading has completed