org.trellisldp.ext.cassandra.query.rdf

Class GetMemento

java.lang.Object

org.trellisldp.ext.cassandra.query.CassandraQuery

org.trellisldp.ext.cassandra.query.rdf.GetMemento

@ApplicationScoped
public class GetMemento
extends CassandraQuery

Retrieve data for a Memento.

Field Summary

Fields inherited from class org.trellisldp.ext.cassandra.query.CassandraQuery

consistency, queryString, readBinaryWorkers, session, writeWorkers

Constructor Summary

Constructors

Constructor and Description
GetMemento() For use with RESTeasy and CDI proxies.
GetMemento(com.datastax.oss.driver.api.core.CqlSession session, com.datastax.oss.driver.api.core.ConsistencyLevel consistency) A class that retrieves data for a Memento.

Method Summary

Modifier and Type	Method and Description
java.util.concurrent.CompletionStage<com.datastax.oss.driver.api.core.cql.AsyncResultSet>	execute(org.apache.commons.rdf.api.IRI id, java.time.Instant time)

Methods inherited from class org.trellisldp.ext.cassandra.query.CassandraQuery

executeSyncRead, preparedStatement, preparedStatementAsync

Methods inherited from class java.lang.Object

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

Constructor Detail

GetMemento

public GetMemento()

For use with RESTeasy and CDI proxies.

API Note:

This construtor is used by CDI runtimes that require a public, no-argument constructor. It should not be invoked directly in user code.

GetMemento

@Inject
public GetMemento(com.datastax.oss.driver.api.core.CqlSession session,
                          @MutableReadConsistency
                          com.datastax.oss.driver.api.core.ConsistencyLevel consistency)

A class that retrieves data for a Memento.

Parameters:

session - the cassandra session

consistency - the consistency level

Method Detail

execute

public java.util.concurrent.CompletionStage<com.datastax.oss.driver.api.core.cql.AsyncResultSet> execute(org.apache.commons.rdf.api.IRI id,
                                                                                                         java.time.Instant time)

Parameters:

id - the IRI of the Memento to retrieve

time - the time for which this Memento is valid

Returns:

the data for the Memento