ilog.views.maps.datasource.ibm.db2

Class DB2FeatureIterator

java.lang.Object

ilog.views.maps.datasource.IlvMapDelegateFeatureIterator

ilog.views.maps.datasource.ibm.IlvDBFeatureIterator

ilog.views.maps.datasource.ibm.db2.DB2FeatureIterator

All Implemented Interfaces:

IlvPersistentObject, IlvMapFeatureIterator, IlvMapReusableFeatureIterator, IlvMapRegionOfInterestIterator, Serializable

public class DB2FeatureIterator
extends IlvDBFeatureIterator

* An implementation of IlvDBFeatureIterator for DB2 databases.

Since:

JViews 8.7

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
DB2FeatureIterator(IlvDB2DataSource dataSource) Creates a new DB2FeatureIterator.
DB2FeatureIterator(IlvInputStream stream) Reads an iterator from an IlvInputStream.

Method Summary

Modifier and Type	Method and Description
protected String	getAsBinaryFunctionName() Returns the name of the function that transforms a blob column into binary.
protected String	getBoundsQuery() Returns the SELECT statement that returns the bounds of the geometric data contained in the table.
protected String	getRegionPredicate() Returns the WHERE clause that limits the selection to within the region of interest.

Methods inherited from class ilog.views.maps.datasource.ibm.IlvDBFeatureIterator

dispose, getAttrColumnList, getCoordinateSystem, getCoordinateSystemWKTDefinition, getGeometryColumnName, getLatLonBounds, getMonitor, getNextFeature, getRegionXMax, getRegionXMin, getRegionYMax, getRegionYMin, getSchemaTableName, getSrsId, isGeoreferenced, restart, setMonitor, setRegionOfInterest, write

Methods inherited from class ilog.views.maps.datasource.IlvMapDelegateFeatureIterator

getDefaultFeatureRenderer, getDelegate, getLowerRightCorner, getUpperLeftCorner, setDelegate

Methods inherited from class java.lang.Object

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

Methods inherited from interface ilog.views.maps.IlvMapFeatureIterator

getDefaultFeatureRenderer, getLowerRightCorner, getUpperLeftCorner

Constructor Detail

DB2FeatureIterator

public DB2FeatureIterator(IlvInputStream stream)
                   throws IlvReadFileException,
                          SQLException,
                          IOException

Reads an iterator from an IlvInputStream.

Parameters:

stream - The stream to read from.

Throws:

IlvReadFileException - if there is a problem reading from stream.

SQLException

IOException

DB2FeatureIterator

public DB2FeatureIterator(IlvDB2DataSource dataSource)
                   throws IOException,
                          SQLException

Creates a new DB2FeatureIterator.

Parameters:

dataSource - the DB2 data source.

Throws:

IOException

SQLException

Method Detail

getAsBinaryFunctionName

protected String getAsBinaryFunctionName()

Returns the name of the function that transforms a blob column into binary.

Specified by:

getAsBinaryFunctionName in class IlvDBFeatureIterator

Returns:

a function name.

getRegionPredicate

protected String getRegionPredicate()

Returns the WHERE clause that limits the selection to within the region of interest.

Specified by:

getRegionPredicate in class IlvDBFeatureIterator

Returns:

a WHERE clause.

getBoundsQuery

protected String getBoundsQuery()

Returns the SELECT statement that returns the bounds of the geometric data contained in the table.

Specified by:

getBoundsQuery in class IlvDBFeatureIterator

Returns:

a Select statement.