org.trellisldp.ext.cassandra.query.rdf

Class GetFirstMemento

java.lang.Object

org.trellisldp.ext.cassandra.query.CassandraQuery

org.trellisldp.ext.cassandra.query.rdf.GetFirstMemento

@ApplicationScoped
public class GetFirstMemento
extends CassandraQuery

Retrieve data for the first Memento of a resource.

Field Summary

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

consistency, queryString, readBinaryWorkers, session, writeWorkers

Constructor Summary

Constructors

Constructor and Description
GetFirstMemento() For use with RESTeasy and CDI proxies.
GetFirstMemento(com.datastax.oss.driver.api.core.CqlSession session, com.datastax.oss.driver.api.core.ConsistencyLevel consistency) Create an object that retrieves data for the first Memento of a resource.

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)

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

GetFirstMemento

public GetFirstMemento()

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.

GetFirstMemento

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

Create an object that retrieves data for the first Memento of a resource.

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)

Parameters:

id - the IRI of the Memento to retrieve

Returns:

the data for the Memento