com.baidu.hugegraph.backend.store.cassandra

Class CassandraTables.Edge

java.lang.Object

com.baidu.hugegraph.backend.store.BackendTable<CassandraSessionPool.Session,TableBackendEntry.Row>

com.baidu.hugegraph.backend.store.cassandra.CassandraTable

com.baidu.hugegraph.backend.store.cassandra.CassandraTables.Edge

Enclosing class:

CassandraTables

public static class CassandraTables.Edge
extends CassandraTable

Nested Class Summary

Nested classes/interfaces inherited from class com.baidu.hugegraph.backend.store.BackendTable

BackendTable.ShardSpliter<Session extends BackendSession>

Field Summary

Fields

Modifier and Type	Field and Description
static String	TABLE_PREFIX

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	Edge(String store, Directions direction)

Method Summary

Modifier and Type	Method and Description
void	delete(CassandraSessionPool.Session session, TableBackendEntry.Row entry) Delete an entire row
protected void	deleteEdgesByLabel(CassandraSessionPool.Session session, Id label)
protected Directions	direction()
protected String	edgesTable(Directions direction)
protected List<HugeKeys>	idColumnName()
protected List<Object>	idColumnValue(EdgeId edgeId)
protected List<Object>	idColumnValue(Id id)
static CassandraTable	in(String store)
void	init(CassandraSessionPool.Session session)
protected String	labelIndexTable()
protected BackendEntry	mergeEntries(BackendEntry e1, BackendEntry e2)
static CassandraTable	out(String store)
protected List<HugeKeys>	pkColumnName()

Methods inherited from class com.baidu.hugegraph.backend.store.cassandra.CassandraTable

append, clear, cloneSelect, condition2Cql, createIndex, createTable, dropTable, eliminate, formatEQ, formatKey, idColumnValue, insert, modifiableColumnName, parseKey, query, query2Select, queryCondition2Select, queryId2Select, registerMetaHandlers, relation2Cql, results2Entries, serializeValue, setPageState, truncate, truncateTable

Methods inherited from class com.baidu.hugegraph.backend.store.BackendTable

joinTableName, metaDispatcher, registerMetaHandler, table, tableType

Methods inherited from class java.lang.Object

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

Field Detail

TABLE_PREFIX

public static final String TABLE_PREFIX

See Also:

Constant Field Values

Constructor Detail

Edge

protected Edge(String store,
               Directions direction)

Method Detail

edgesTable

protected String edgesTable(Directions direction)

direction

protected Directions direction()

labelIndexTable

protected String labelIndexTable()

init

public void init(CassandraSessionPool.Session session)

Specified by:

init in class BackendTable<CassandraSessionPool.Session,TableBackendEntry.Row>

pkColumnName

protected List<HugeKeys> pkColumnName()

Overrides:

pkColumnName in class CassandraTable

idColumnName

protected List<HugeKeys> idColumnName()

Overrides:

idColumnName in class CassandraTable

idColumnValue

protected List<Object> idColumnValue(Id id)

Overrides:

idColumnValue in class CassandraTable

idColumnValue

protected final List<Object> idColumnValue(EdgeId edgeId)

delete

public void delete(CassandraSessionPool.Session session,
                   TableBackendEntry.Row entry)

Description copied from class: CassandraTable

Delete an entire row

Overrides:

delete in class CassandraTable

deleteEdgesByLabel

protected void deleteEdgesByLabel(CassandraSessionPool.Session session,
                                  Id label)

mergeEntries

protected BackendEntry mergeEntries(BackendEntry e1,
                                    BackendEntry e2)

Overrides:

mergeEntries in class CassandraTable

out

public static CassandraTable out(String store)

in

public static CassandraTable in(String store)