Mementoize (trellis-cassandra 0.19.0 API)

java.lang.Object
- org.trellisldp.ext.cassandra.query.CassandraQuery
- - org.trellisldp.ext.cassandra.query.rdf.Mementoize

@ApplicationScoped
public class Mementoize
extends CassandraQuery

A query that records a version of a resource as a Memento.

Field Summary
- Fields inherited from class org.trellisldp.ext.cassandra.query.CassandraQuery
  consistency, preparedStmtAsync, queryString, readBinaryWorkers, session, writeWorkers

Constructor Summary

Constructors
Constructor	Description
`Mementoize()`	For use with RESTeasy and CDI proxies.
`Mementoize(CqlSession session, ConsistencyLevel consistency)`	Create a query that generates a memento.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`CompletionStage<Void>`	`execute(Metadata metadata, Instant modified, Dataset data, UUID creation)`	Store a Memento.

Methods inherited from class org.trellisldp.ext.cassandra.query.CassandraQuery
executeSyncRead, preparedStatementAsync

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - Mementoize
```
public Mementoize()
```
    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.
  - Mementoize
```
@Inject
public Mementoize(CqlSession session,
                  @MutableWriteConsistency
                  ConsistencyLevel consistency)
```
    Create a query that generates a memento.
    
    Parameters:
    
    session - the cassandra session
    
    consistency - the consistency level
- Method Detail
  - execute
```
public CompletionStage<Void> execute(Metadata metadata,
                                     Instant modified,
                                     Dataset data,
                                     UUID creation)
```
    Store a Memento. Note that the value for modified is truncated to seconds because Memento requires HTTP time management.
    
    Parameters:
    
    metadata - metadata for this resource
    
    modified - the time at which this resource was last modified
    
    data - RDF for this resource
    
    creation - a time-based (version 1) UUID for the moment this resource is created
    
    Returns:
    
    whether and when it has been inserted