com.sabratec.applinx.baseobject.table.filter

Class GXNonDuplicateRowsFilter

java.lang.Object

com.sabratec.applinx.baseobject.table.filter.GXNonDuplicateRowsFilter

All Implemented Interfaces:

GXIRowsFilter, Serializable

public class GXNonDuplicateRowsFilter
extends Object
implements GXIRowsFilter

Filters duplicate rows according to the primary key.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
GXNonDuplicateRowsFilter()

Method Summary

Modifier and Type	Method and Description
GXITableRowCollection	filter(GXITableRowCollection rows) Used to filter an existing row collection.
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.

Methods inherited from class java.lang.Object

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

Constructor Detail

GXNonDuplicateRowsFilter

public GXNonDuplicateRowsFilter()

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.