org.eobjects.sassy.metamodel
Class SasDataContext

java.lang.Object
  org.eobjects.metamodel.AbstractDataContext
      org.eobjects.metamodel.QueryPostprocessDataContext
          org.eobjects.sassy.metamodel.SasDataContext

All Implemented Interfaces:

HasReadTypeConverters, DataContext

public final class SasDataContext
extends QueryPostprocessDataContext

DataContext for a directory of SAS tables (aka. a "libref" in SAS-lingo).

Author:

Kasper Sørensen

Field Summary

Fields inherited from class org.eobjects.metamodel.QueryPostprocessDataContext

INFORMATION_SCHEMA_NAME

Constructor Summary

SasDataContext(File directory)

SasDataContext(String directoryPath)

Method Summary

protected Number	executeCountQuery(Table table, List<FilterItem> whereItems, boolean functionApproximationAllowed)
protected Schema	getMainSchema()
protected String	getMainSchemaName()
protected DataSet	materializeMainSchemaTable(Table table, Column[] columns, int maxRows)

Methods inherited from class org.eobjects.metamodel.QueryPostprocessDataContext

addConverter, executeQuery, getDefaultSchemaName, getMainSchemaInternal, getSchemaByNameInternal, getSchemaNamesInternal, isMainSchemaTable, materializeFromItem, materializeMainSchemaTable, materializeTable

Methods inherited from class org.eobjects.metamodel.AbstractDataContext

getColumnByQualifiedLabel, getDefaultSchema, getSchemaByName, getSchemaNames, getSchemas, getTableByQualifiedLabel, query, refreshSchemas

Methods inherited from class java.lang.Object

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

Constructor Detail

SasDataContext

public SasDataContext(String directoryPath)

SasDataContext

public SasDataContext(File directory)

Method Detail

getMainSchema

protected Schema getMainSchema()
                        throws MetaModelException

Specified by:

getMainSchema in class QueryPostprocessDataContext

Throws:

MetaModelException

getMainSchemaName

protected String getMainSchemaName()
                            throws MetaModelException

Specified by:

getMainSchemaName in class QueryPostprocessDataContext

Throws:

MetaModelException

executeCountQuery

protected Number executeCountQuery(Table table,
                                   List<FilterItem> whereItems,
                                   boolean functionApproximationAllowed)

Overrides:

executeCountQuery in class QueryPostprocessDataContext

materializeMainSchemaTable

protected DataSet materializeMainSchemaTable(Table table,
                                             Column[] columns,
                                             int maxRows)

Specified by:

materializeMainSchemaTable in class QueryPostprocessDataContext