edu.unh.sdb.datasource

Class OverlapBlockedDataSource

java.lang.Object

edu.unh.sdb.datasource.DataCollection

edu.unh.sdb.datasource.DataSource

edu.unh.sdb.datasource.CompositeDataSource

edu.unh.sdb.datasource.OverlapBlockedDataSource

All Implemented Interfaces:

Indexable

public class OverlapBlockedDataSource
extends CompositeDataSource

OverlapBlockedDataSource does a spatial join on several blocks of DataSources into one DataSource

Field Summary

Fields inherited from class edu.unh.sdb.datasource.CompositeDataSource

componentInfos

Fields inherited from class edu.unh.sdb.datasource.DataSource

fdlDescriptor, isActivated, name, wsName

Fields inherited from class edu.unh.sdb.datasource.DataCollection

attributeOrder, axisOrdering, axisWeights, bounds, dataOrder, dimensionality, numAttributes, pointOrder, recordDesc

Constructor Summary

Constructors

Constructor and Description
OverlapBlockedDataSource(java.lang.String dsname, ComponentInfo[] compinfo) Construct a OverlapBlockedDataSource from an array of ComponentInfo.

Method Summary

Methods

Modifier and Type	Method and Description
void	activate() Activate() method call its component DataSource to activate itself
ARBlock	ARRep(ISBounds bounds) Return a ARBlock, which is a AR representation of the requested area of specified ISBounds
protected boolean	check(ComponentInfo[] cinfo) Check the validity of the given ComponentInfo array
void	datum(Datum dtm, IndexSpaceID isid) Return by reference the Datum corresponding to the given IndexSpaceID.
void	datum(Datum dtm, IndexSpaceID isid, FieldIDMapper mp) Get the Datum and fill its values in the passed Datum at positions specified by the corresponding FieldIDMapper.
void	datum(Datum dtm, IndexSpaceID isid, RecordSpec recSpec) Get the Datum and fill its values in the passed Datum at positions specified by the corresponding RecordSpec.
OverlapBlockManager	getOverlapBlockManager() Return the OverlapBlockManager, from which you can get information for each Component.
protected void	initializeComponents(ComponentInfo[] compinfo) overrides parent abstract definition.
void	subblock(DataBlock blk, ISBounds blkisb, ISBounds dsisb) Get a block of data of the DataSource, pass by reference before this method is called, check to make sure the Dimensionality and dsisb is inside the DataSource's bounds
void	subblock(DataBlock blk, ISBounds blkisb, ISBounds dsisb, FieldIDMapper mp) Pass by reference subblock method taking FieldIDMapper
void	subblock(DataBlock blk, ISBounds blkisb, ISBounds dsisb, RecordSpec spec) Get a block of data of the DataSource.
DataBlock	subblock(ISBounds blk, ISBounds resolution) get the Datablock and fit in a Datablock which may have different size
java.lang.String	toString() Print the data members of the DataSource in an easy to read fashion.

Methods inherited from class edu.unh.sdb.datasource.CompositeDataSource

deactivate, equals, getComponentBounds, getComponentDataSources, getComponentFieldIDs, getComponentInfos, getCompositeBounds, getCompositeFieldIDs, getFIDMappers, main, useBytesOnly

Methods inherited from class edu.unh.sdb.datasource.DataSource

checkActivated, clearCache, copyBestID, create, create, create, createRemote, createRemote, createRemoteClient, createRemoteClient, createRemoteDataSource, createRemoteDataSource, createRemoteDataSourceUDP, createRemoteUDP, createRemoteUDP, dumpData, getFDLDescriptor, getMetadataCollection, getName, getStatistics, getValues, isActivated, setMetadataCollection, toString

Methods inherited from class edu.unh.sdb.datasource.DataCollection

byteSize, computeOffset, computeOffset, copyBounds, createDataBlock, createDataBlock, createDataBlock, createDatum, createDatum, createDatum, createDatum, createDatum, createDatum, datum, datum, datum, datum, dim, getAttributeNames, getAxisOrdering, getAxisWeight, getAxisWeights, getBounds, getByte, getBytes, getBytes, getBytes, getBytes, getBytes, getBytes, getBytesByAttribute, getBytesByAttribute, getBytesByPoint, getBytesByPoint, getDataOrder, getDimensionsArray, getDouble, getDoubles, getDoubles, getDoubles, getDoubles, getDoubles, getDoubles, getDoublesByAttribute, getDoublesByAttribute, getDoublesByPoint, getDoublesByPoint, getFloat, getFloats, getFloats, getFloats, getFloats, getFloats, getFloats, getFloatsByAttribute, getFloatsByAttribute, getFloatsByPoint, getFloatsByPoint, getInt, getInts, getInts, getInts, getInts, getInts, getInts, getIntsByAttribute, getIntsByAttribute, getIntsByPoint, getIntsByPoint, getLowerBoundsArray, getNumAttributes, getRecordDescriptor, getShort, getShorts, getShorts, getShorts, getShorts, getShorts, getShorts, getShortsByAttribute, getShortsByAttribute, getShortsByPoint, getShortsByPoint, getStorageType, getUpperBoundsArray, getValues, getValuesByAttribute, getValuesByPoint, longVolume, setAxisOrdering, setBounds, setRecordDescriptor, size, subblock, subblock, subblock, subblock, subblock, subblock, subblock, subblock, subblock, volume

Methods inherited from class java.lang.Object

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

Constructor Detail

OverlapBlockedDataSource

public OverlapBlockedDataSource(java.lang.String dsname,
                        ComponentInfo[] compinfo)

Construct a OverlapBlockedDataSource from an array of ComponentInfo.

Method Detail

check

protected boolean check(ComponentInfo[] cinfo)

Check the validity of the given ComponentInfo array

Specified by:

check in class CompositeDataSource

initializeComponents

protected void initializeComponents(ComponentInfo[] compinfo)

overrides parent abstract definition. Initialize info base don components.

Specified by:

initializeComponents in class CompositeDataSource

getOverlapBlockManager

public OverlapBlockManager getOverlapBlockManager()

Return the OverlapBlockManager, from which you can get information for each Component.

activate

public void activate()

Activate() method call its component DataSource to activate itself

Overrides:

activate in class CompositeDataSource

subblock

public void subblock(DataBlock blk,
            ISBounds blkisb,
            ISBounds dsisb,
            RecordSpec spec)

Get a block of data of the DataSource. The DataBlock is passed by reference

Specified by:

subblock in interface Indexable

Overrides:

subblock in class DataCollection

subblock

public void subblock(DataBlock blk,
            ISBounds blkisb,
            ISBounds dsisb)

Get a block of data of the DataSource, pass by reference before this method is called, check to make sure the Dimensionality and dsisb is inside the DataSource's bounds

Specified by:

subblock in interface Indexable

Specified by:

subblock in class DataCollection

subblock

public void subblock(DataBlock blk,
            ISBounds blkisb,
            ISBounds dsisb,
            FieldIDMapper mp)

Pass by reference subblock method taking FieldIDMapper

Specified by:

subblock in interface Indexable

Specified by:

subblock in class DataCollection

subblock

public DataBlock subblock(ISBounds blk,
                 ISBounds resolution)

get the Datablock and fit in a Datablock which may have different size

datum

public void datum(Datum dtm,
         IndexSpaceID isid)

Return by reference the Datum corresponding to the given IndexSpaceID.

Specified by:

datum in interface Indexable

Overrides:

datum in class DataCollection

datum

public void datum(Datum dtm,
         IndexSpaceID isid,
         FieldIDMapper mp)

Get the Datum and fill its values in the passed Datum at positions specified by the corresponding FieldIDMapper.

Specified by:

datum in interface Indexable

Specified by:

datum in class DataCollection

datum

public void datum(Datum dtm,
         IndexSpaceID isid,
         RecordSpec recSpec)

Get the Datum and fill its values in the passed Datum at positions specified by the corresponding RecordSpec.

Specified by:

datum in interface Indexable

Overrides:

datum in class DataCollection

ARRep

public ARBlock ARRep(ISBounds bounds)

Return a ARBlock, which is a AR representation of the requested area of specified ISBounds

toString

public java.lang.String toString()

Description copied from class: CompositeDataSource

Print the data members of the DataSource in an easy to read fashion.

Overrides:

toString in class CompositeDataSource