Package io.hgraphdb.models

Class ElementModel

java.lang.Object

io.hgraphdb.models.BaseModel

io.hgraphdb.models.ElementModel

All Implemented Interfaces:

AutoCloseable

Direct Known Subclasses:

EdgeModel, VertexModel

public abstract class ElementModel
extends BaseModel

Field Summary

Fields inherited from class io.hgraphdb.models.BaseModel

graph, table

Constructor Summary

Constructors

Constructor	Description
ElementModel(HBaseGraph graph, org.apache.hadoop.hbase.client.Table table)

Method Summary

Modifier and Type	Method	Description
PropertyRemover	clearProperty(org.apache.tinkerpop.gremlin.structure.Element element, String key)	Delete the property entry from property table.
protected org.apache.hadoop.hbase.client.Scan	getPropertyScan(String label)
protected org.apache.hadoop.hbase.client.Scan	getPropertyScan(String label, byte[] key, byte[] val)
protected org.apache.hadoop.hbase.client.Scan	getPropertyScan(String label, byte[] key, byte[] inclusiveFromValue, byte[] exclusiveToValue)
abstract LoadingElementReader	getReader()
PropertyIncrementer	incrementProperty(org.apache.tinkerpop.gremlin.structure.Element element, String key, long value)	Increment the given property in the property table.
void	load(List<? extends org.apache.tinkerpop.gremlin.structure.Element> elements)	Load the elements from the backing table.
void	load(org.apache.tinkerpop.gremlin.structure.Element element)	Load the element from the backing table.
PropertyWriter	writeProperty(org.apache.tinkerpop.gremlin.structure.Element element, String key, Object value)	Write the given property to the property table.

Methods inherited from class io.hgraphdb.models.BaseModel

close, close, getGraph, getTable

Methods inherited from class java.lang.Object

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

Constructor Detail

ElementModel

public ElementModel(HBaseGraph graph,
                    org.apache.hadoop.hbase.client.Table table)

Method Detail

getReader

public abstract LoadingElementReader getReader()

load

public void load(org.apache.tinkerpop.gremlin.structure.Element element)

Load the element from the backing table.

Parameters:

element - The element

load

public void load(List<? extends org.apache.tinkerpop.gremlin.structure.Element> elements)

Load the elements from the backing table.

Parameters:

elements - The elements

clearProperty

public PropertyRemover clearProperty(org.apache.tinkerpop.gremlin.structure.Element element,
                                     String key)

Delete the property entry from property table.

Parameters:

element - The element

key - The property key

writeProperty

public PropertyWriter writeProperty(org.apache.tinkerpop.gremlin.structure.Element element,
                                    String key,
                                    Object value)

Write the given property to the property table.

Parameters:

element - The element

key - The property key

value - The property value

incrementProperty

public PropertyIncrementer incrementProperty(org.apache.tinkerpop.gremlin.structure.Element element,
                                             String key,
                                             long value)

Increment the given property in the property table.

Parameters:

element - The element

key - The property key

value - The amount to increment

getPropertyScan

protected org.apache.hadoop.hbase.client.Scan getPropertyScan(String label)

getPropertyScan

protected org.apache.hadoop.hbase.client.Scan getPropertyScan(String label,
                                                              byte[] key,
                                                              byte[] val)

getPropertyScan

protected org.apache.hadoop.hbase.client.Scan getPropertyScan(String label,
                                                              byte[] key,
                                                              byte[] inclusiveFromValue,
                                                              byte[] exclusiveToValue)