Package com.inductiveautomation.ignition.gateway.history

Class HistoricalColumn

java.lang.Object

com.inductiveautomation.ignition.gateway.history.HistoricalColumn

All Implemented Interfaces:

Serializable

Direct Known Subclasses:

LiteralHistoricalColumn, ValueHistoricalColumn

public abstract class HistoricalColumn
extends Object
implements Serializable

Base column type for historical column values. These columns are used to send tabular data through the store and forward system. This abstract class simply handles the most basic & common data/tasks, like cloning, and storing the column name.

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
HistoricalColumn()
HistoricalColumn(String name)

Method Summary

Modifier and Type	Method	Description
abstract void	addValue(Object value)	Adds a new row of data.
HistoricalColumn	copy()
String	getName()
abstract int	getRowCount()
abstract Object	getSerializableValue()
abstract Object	getValue(int row)	Returns the raw value for the given row number.
void	setName(String value)

Methods inherited from class java.lang.Object

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

Constructor Details

HistoricalColumn

public HistoricalColumn()

HistoricalColumn

public HistoricalColumn(String name)

Method Details

getName

public String getName()

setName

public void setName(String value)

copy

public HistoricalColumn copy()
                      throws Exception

Throws:

Exception

getRowCount

public abstract int getRowCount()

getValue

public abstract Object getValue(int row)

Returns the raw value for the given row number. Can be null if the row doesn't exist.

addValue

public abstract void addValue(Object value)

Adds a new row of data.

getSerializableValue

public abstract Object getSerializableValue()