Package com.activeviam.column

Class LazyChunkedColumnWithAggregation<K>

java.lang.Object

com.qfs.column.impl.AChunkedColumn<K,IChunk<K>>

com.activeviam.column.impl.ChunkedColumn<K>

com.activeviam.column.impl.LazyChunkedColumn<K>

com.activeviam.column.LazyChunkedColumnWithAggregation<K>

All Implemented Interfaces:

IArray, IArrayReader, IArrayWriter, IDecoratedArray<Object,K>, IVectorArrayWriter, IWritableArray, IColumn<K>, IMemoryMonitored, Externalizable, Serializable

Direct Known Subclasses:

LazyChunkedCompositeColumn

public class LazyChunkedColumnWithAggregation<K>
extends LazyChunkedColumn<K>

A generic LazyChunkedColumn that is fully defined by the IGenericAggregation it holds.

Author:

ActiveViam

See Also:

• Serialized Form

Field Summary

Fields inherited from class com.activeviam.column.impl.LazyChunkedColumn

DEFAULT_CHUNK_SIZE

Constructor Summary

Constructors

Constructor	Description
LazyChunkedColumnWithAggregation()
LazyChunkedColumnWithAggregation(IGenericAggregation aggregation, int chunkSize, boolean isTransient, IAllocationSettings allocationSettings)

Method Summary

Modifier and Type	Method	Description
IGenericAggregation	getAggregation()	Returns the aggregation that is used to fill this column.
void	readExternal(ObjectInput in)
void	writeExternal(ObjectOutput out)

Methods inherited from class com.activeviam.column.impl.ChunkedColumn

createArrayCursor, getAllocationSettings, getDecoratedValue, isTransient, setDecoratedValue

Methods inherited from class com.qfs.column.impl.AChunkedColumn

addDouble, addFloat, addInt, addLong, chunkId, chunkPosition, destroy, ensureCapacity, getCapacity, getChunkCount, getChunkSize, getMemoryStatistic, getMemoryStatisticWithLimit, getWeight, growCapacity, isNull, read, readBoolean, readDouble, readFloat, readInt, readLong, write, writeBoolean, writeDouble, writeFloat, writeInt, writeLong

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.qfs.chunk.IArrayReader

isNull, readBoolean, readDouble, readFloat, readInt, readLong, readVector

Methods inherited from interface com.qfs.chunk.IArrayWriter

addDouble, addFloat, addInt, addLong, write, writeBoolean, writeDouble, writeFloat, writeInt, writeLong

Constructor Details

LazyChunkedColumnWithAggregation

public LazyChunkedColumnWithAggregation()

LazyChunkedColumnWithAggregation

public LazyChunkedColumnWithAggregation(IGenericAggregation aggregation,
 int chunkSize,
 boolean isTransient,
 IAllocationSettings allocationSettings)

Method Details

getAggregation

public IGenericAggregation getAggregation()

Returns the aggregation that is used to fill this column.

writeExternal

public void writeExternal(ObjectOutput out)
                   throws IOException

Specified by:

writeExternal in interface Externalizable

Overrides:

writeExternal in class ChunkedColumn<K>

Throws:

IOException

readExternal

public void readExternal(ObjectInput in)
                  throws IOException,
ClassNotFoundException

Specified by:

readExternal in interface Externalizable

Overrides:

readExternal in class ChunkedColumn<K>

Throws:

IOException

ClassNotFoundException