com.sas.iquery.metadata.business
Interface ExportJoin

All Superinterfaces:

ExportObject<com.sas.iquery.metadata.business.Join,ExportJoin>, NamedObjectInterface

public interface ExportJoin
extends ExportObject<com.sas.iquery.metadata.business.Join,ExportJoin>

Method Summary

abstract ExportDataSource	getFromTable() returns the ExportDataSourceInterface that the join is going from.
abstract java.util.List<ExportJoinColumnPair>	getJoinColumnPairs() Returns a list of the pairs of QualifiedColumn objects to join between the two DataSourceTable objects [from,to] and will return an empty list if the underlying object's join condition is to complex to model as a simple pair of columns.
abstract ConditionalExpression	getJoinCondition() Returns the full join condition.
abstract com.sas.iquery.metadata.business.JoinType	getJoinType() Returns the join type: INNER, OUTER, LEFT, RIGHT, CROSS.
abstract ExportDataSource	getToTable() returns the ExportDataSourceInterface that the join is going to.

Methods inherited from interface com.sas.iquery.metadata.business.ExportObject

getDescription, getExportMetadata, getExportObjectFactory, getID, getLabel, getUnderlyingObject, getUniqueExportName

Method Detail

getFromTable

ExportDataSource getFromTable()
                              throws MetadataException

returns the ExportDataSourceInterface that the join is going from.

Returns:

Throws:

MetadataException

getToTable

ExportDataSource getToTable()
                            throws MetadataException

returns the ExportDataSourceInterface that the join is going to.

Returns:

Throws:

MetadataException

getJoinColumnPairs

java.util.List<ExportJoinColumnPair> getJoinColumnPairs()
                                                        throws MetadataException

Returns a list of the pairs of QualifiedColumn objects to join between the two DataSourceTable objects [from,to] and will return an empty list if the underlying object's join condition is to complex to model as a simple pair of columns.

Returns:

Throws:

MetadataException

getJoinType

com.sas.iquery.metadata.business.JoinType getJoinType()
                                                      throws MetadataException

Returns the join type: INNER, OUTER, LEFT, RIGHT, CROSS.

Returns:

Throws:

MetadataException

getJoinCondition

ConditionalExpression getJoinCondition()
                                       throws MetadataException

Returns the full join condition.

Returns:

Throws:

MetadataException