org.cloudgraph.hbase.filter

Class InitialFetchColumnFilterAssembler

java.lang.Object

org.cloudgraph.hbase.filter.FilterListAssembler

org.cloudgraph.hbase.filter.InitialFetchColumnFilterAssembler

All Implemented Interfaces:

Assembler, HBaseFilterAssembler

public class InitialFetchColumnFilterAssembler
extends FilterListAssembler

Creates an HBase column filter set based on the given criteria which leverages the HBase MultipleColumnPrefixFilter to return only columns for the graph root as well as any columns associated with type nodes linked through one of more singular relations.

Since:

0.5

Author:

Scott Cinnamond

See Also:

GraphColumnKeyFactory, CompositeColumnKeyFactory, GraphFetchColumnFilterAssembler

Field Summary

Fields inherited from class org.cloudgraph.hbase.filter.FilterListAssembler

params, rootFilter, rootType

Constructor Summary

Constructors

Constructor and Description
InitialFetchColumnFilterAssembler(org.plasma.query.collector.Selection collector, org.plasma.sdo.PlasmaType rootType, StoreMappingContext mappingContext)

Method Summary

Modifier and Type	Method and Description
protected void	log(org.plasma.query.model.Select root)

Methods inherited from class org.cloudgraph.hbase.filter.FilterListAssembler

clear, getFilter, getParams

Methods inherited from class java.lang.Object

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

Constructor Detail

InitialFetchColumnFilterAssembler

public InitialFetchColumnFilterAssembler(org.plasma.query.collector.Selection collector,
                                         org.plasma.sdo.PlasmaType rootType,
                                         StoreMappingContext mappingContext)

Method Detail

log

protected void log(org.plasma.query.model.Select root)