com.sabratec.applinx.baseobject.table.filter

Class GXNonEmptyRowsFilter

java.lang.Object

com.sabratec.applinx.baseobject.table.filter.GXNonEmptyRowsFilter

All Implemented Interfaces:

GXIRowsFilter, Serializable

public class GXNonEmptyRowsFilter
extends Object
implements GXIRowsFilter

Example for filtering rows - filters rows with an empty column. If no column specified, filters rows with an empty primary key.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
GXNonEmptyRowsFilter()
GXNonEmptyRowsFilter(GXITableColumn[] columns)
GXNonEmptyRowsFilter(String[] columnNames)

Method Summary

Modifier and Type	Method and Description
GXITableRowCollection	filter(GXITableRowCollection rows) Used to filter an existing row collection.
String[]	getColumnNames()
boolean	isPrimaryKeyValid(String primaryKey, GXITableRowCollection rowsSoFar) This method is used, by ApplinX Server, when building a table.
boolean	isRowValid(GXITableRow row, GXITableRowCollection rowsSoFar) This method is used, by ApplinX Server, when building a table, to decide whether to add a row to the table.
void	setColumnNames(String[] columnNames)
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

GXNonEmptyRowsFilter

public GXNonEmptyRowsFilter(String[] columnNames)

GXNonEmptyRowsFilter

public GXNonEmptyRowsFilter(GXITableColumn[] columns)

GXNonEmptyRowsFilter

public GXNonEmptyRowsFilter()

Method Detail

filter

public GXITableRowCollection filter(GXITableRowCollection rows)

Description copied from interface: GXIRowsFilter

Used to filter an existing row collection.

Specified by:

filter in interface GXIRowsFilter

Parameters:

rows - the rows to filter.

Returns:

the rows after filtering.

isRowValid

public boolean isRowValid(GXITableRow row,
                          GXITableRowCollection rowsSoFar)

Description copied from interface: GXIRowsFilter

This method is used, by ApplinX Server, when building a table, to decide whether to add a row to the table. Can also be used by filter(), for each row.

Specified by:

isRowValid in interface GXIRowsFilter

Parameters:

row - the row to check

rowsSoFar - the rows added to the table so far, for conditions that depend on previous rows (for example - duplicate rows).

Returns:

whether the row is valid or not.

See Also:

GXIRowsFilter.filter(GXITableRowCollection)

isPrimaryKeyValid

public boolean isPrimaryKeyValid(String primaryKey,
                                 GXITableRowCollection rowsSoFar)

Description copied from interface: GXIRowsFilter

This method is used, by ApplinX Server, when building a table. Before starting to build a row, an initial check validates the primary key. If it isn't valid, the row is skipped.

Specified by:

isPrimaryKeyValid in interface GXIRowsFilter

Parameters:

primaryKey - the row's primary key.

rowsSoFar - the rows added to the table so far, for conditions that depend on previous rows (for example - duplicate rows).

Returns:

whether the row's primary key is valid or not.

toString

public String toString()

Overrides:

toString in class Object

getColumnNames

public String[] getColumnNames()

setColumnNames

public void setColumnNames(String[] columnNames)