edu.unh.sdb.datasource

Class AttributeOrderBFDS

java.lang.Object

edu.unh.sdb.datasource.DataCollection

edu.unh.sdb.datasource.DataSource

edu.unh.sdb.datasource.PhysicalDataSource

edu.unh.sdb.datasource.BinaryFileDataSource

edu.unh.sdb.datasource.AttributeOrderBFDS

All Implemented Interfaces:

Indexable

public class AttributeOrderBFDS
extends BinaryFileDataSource

This class will read from a file of binary data, providing an n-dimensional datasource view of that file. this class represents a BinaryFileDataSource that is in attribute order

Field Summary

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

bufferIterCopy, bufferUpper, dimensions, fChannel, iniOffset, iterCopy, leastSignificantAxis, raFile, recordByteSize, recordNumFields, srcRodByteSize, srcRodSize, steps, tempDatum

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

BIG_ENDIAN, bufferBounds, bufferDimension, bufferSteps, byteBuffers, directMemoryLimit, endian, LITTLE_ENDIAN, maxBufferSize, maxGapSize, readCounter, readLength, url

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
AttributeOrderBFDS(java.lang.String name, RecordDescriptor recordDesc, ISBounds theBounds, AxisOrdering ordering, java.lang.String URL, java.nio.ByteOrder endian) create a AttributeOrderBFDS , set the initial file offset at 0
AttributeOrderBFDS(java.lang.String name, RecordDescriptor recordDesc, ISBounds theBounds, AxisOrdering ordering, java.lang.String URL, java.nio.ByteOrder endian, int offset) create a AttributeOrderBFDS , set the initi file offset at the given value

Method Summary

Methods

Modifier and Type	Method and Description
void	datum(Datum datum, IndexSpaceID did) Load the data at the given index into the provided datum.
void	datum(Datum datum, IndexSpaceID did, FieldIDMapper mp) Get the Datum and fill its values in the passed Datum at positions specified by the corresponding FieldIDMapper.
void	datum(Datum datum, IndexSpaceID did, RecordSpec recSpec) Get the Datum and fill its values in the passed Datum at positions specified by the corresponding RecordSpec.
Datum	datum(IndexSpaceID did) Return the Datum corresponding to the given IndexSpaceID.
Datum	datum(IndexSpaceID did, RecordSpec spec) Return the Datum corresponding to the given IndexSpaceID.
boolean	equals(java.lang.Object o) Returns true if this BinaryFileDataSource has the same pointOrder as the argument BinaryFileDataSource, as well as meeting inherited criteria for equality.
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.BinaryFileDataSource

activate, deactivate, getFileOffset, hashCode, main, setAxisOrdering, setDatum, setFileOffset

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

allocateBuffer, allocateBuffer, allocateBuffer, allocateBuffer, allocateBuffer, allocateBuffer, allocateBuffer, allocateBuffer, allocateBuffer, deleteBuffer, deleteBuffer, deleteBuffers, getBuffer, getBuffer, getBufferSize, getBufferSize, getByteOrder, getDataFileString, getMaxBufferSize, getReadCounter, getReadLength, getURL, initializeBuffers, isBigEndian, makeBestBuffer, resetReadCounter, setBufferByteOrder, setByteOrder, setMaxBufferSize, setMaxGapSize, subblock, subblock, subblock, toString

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

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

byteSize, computeOffset, computeOffset, copyBounds, createDataBlock, createDataBlock, createDataBlock, createDatum, createDatum, createDatum, createDatum, createDatum, createDatum, 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, setBounds, setRecordDescriptor, size, subblock, subblock, subblock, subblock, subblock, subblock, subblock, subblock, subblock, useBytesOnly, volume

Methods inherited from class java.lang.Object

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

Constructor Detail

AttributeOrderBFDS

public AttributeOrderBFDS(java.lang.String name,
                  RecordDescriptor recordDesc,
                  ISBounds theBounds,
                  AxisOrdering ordering,
                  java.lang.String URL,
                  java.nio.ByteOrder endian)

create a AttributeOrderBFDS , set the initial file offset at 0

AttributeOrderBFDS

public AttributeOrderBFDS(java.lang.String name,
                  RecordDescriptor recordDesc,
                  ISBounds theBounds,
                  AxisOrdering ordering,
                  java.lang.String URL,
                  java.nio.ByteOrder endian,
                  int offset)

create a AttributeOrderBFDS , set the initi file offset at the given value

Method Detail

datum

public Datum datum(IndexSpaceID did)

Return the Datum corresponding to the given IndexSpaceID.

Specified by:

datum in interface Indexable

Overrides:

datum in class DataCollection

datum

public void datum(Datum datum,
         IndexSpaceID did)

Load the data at the given index into the provided datum.

Specified by:

datum in interface Indexable

Overrides:

datum in class DataCollection

datum

public void datum(Datum datum,
         IndexSpaceID did,
         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

datum

public void datum(Datum datum,
         IndexSpaceID did,
         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 Datum datum(IndexSpaceID did,
          RecordSpec spec)

Return the Datum corresponding to the given IndexSpaceID. The Datum will only contain attributes specified by the RecordSpec argument.

Specified by:

datum in interface Indexable

Overrides:

datum in class DataCollection

toString

public java.lang.String toString()

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

Overrides:

toString in class BinaryFileDataSource

equals

public boolean equals(java.lang.Object o)

Returns true if this BinaryFileDataSource has the same pointOrder as the argument BinaryFileDataSource, as well as meeting inherited criteria for equality.

Overrides:

equals in class BinaryFileDataSource