private Mono<WriteResult> handleStatement(Message<?> requestMessage) { Object payload = requestMessage.getPayload(); Mono<ReactiveResultSet> resultSetMono; if (payload instanceof Statement) { resultSetMono = this.cassandraOperations.getReactiveCqlOperations().queryForResultSet((Statement) payload); } else { resultSetMono = this.cassandraOperations.getReactiveCqlOperations() .execute((ReactiveSessionCallback<ReactiveResultSet>) session -> this.sessionMessageCallback.doInSession(session, requestMessage)) .next(); } return resultSetMono.transform(this::transformToWriteResult); }
private Mono<WriteResult> handleStatement(Message<?> requestMessage) { Object payload = requestMessage.getPayload(); Mono<ReactiveResultSet> resultSetMono; if (payload instanceof Statement) { resultSetMono = this.cassandraOperations.getReactiveCqlOperations().queryForResultSet((Statement) payload); } else { resultSetMono = this.cassandraOperations.getReactiveCqlOperations() .execute((ReactiveSessionCallback<ReactiveResultSet>) session -> this.sessionMessageCallback.doInSession(session, requestMessage)) .next(); } return resultSetMono.transform(this::transformToWriteResult); }
@Override public Mono<WriteResult> delete(Object entity, QueryOptions options) { Assert.notNull(entity, "Entity must not be null"); Assert.notNull(options, "QueryOptions must not be null"); CqlIdentifier tableName = getTableName(entity); Delete delete = QueryUtils.createDeleteQuery(tableName.toCql(), entity, options, getConverter()); Mono<WriteResult> result = getReactiveCqlOperations() // .execute(new StatementCallback(delete)) // .doOnSubscribe(it -> maybeEmitEvent(new BeforeDeleteEvent<>(delete, entity.getClass(), tableName))) // .next(); return result.doOnNext(it -> maybeEmitEvent(new AfterDeleteEvent<>(delete, entity.getClass(), tableName))); }
@SuppressWarnings("ConstantConditions") private Mono<Integer> getEffectiveFetchSize(Statement statement) { if (statement.getFetchSize() > 0) { return Mono.just(statement.getFetchSize()); } if (getReactiveCqlOperations() instanceof CassandraAccessor) { CassandraAccessor accessor = (CassandraAccessor) getReactiveCqlOperations(); if (accessor.getFetchSize() != -1) { return Mono.just(accessor.getFetchSize()); } } return getReactiveCqlOperations().execute((ReactiveSessionCallback<Integer>) session -> Mono .just(session.getCluster().getConfiguration().getQueryOptions().getFetchSize())).single(); }
Mono<WriteResult> doUpdate(Query query, org.springframework.data.cassandra.core.query.Update update, Class<?> entityClass, CqlIdentifier tableName) { RegularStatement statement = getStatementFactory().update(query, update, getRequiredPersistentEntity(entityClass), tableName); return getReactiveCqlOperations().execute(new StatementCallback(statement)).next(); }
@Override public <T> Mono<EntityWriteResult<T>> update(T entity, UpdateOptions options) { Assert.notNull(entity, "Entity must not be null"); Assert.notNull(options, "UpdateOptions must not be null"); CqlIdentifier tableName = getTableName(entity); Update update = QueryUtils.createUpdateQuery(tableName.toCql(), entity, options, getConverter()); Mono<EntityWriteResult<T>> result = getReactiveCqlOperations() // .execute(new StatementCallback(update)) // .doOnSubscribe(it -> maybeEmitEvent(new BeforeSaveEvent<>(entity, tableName, update))) // .map(it -> EntityWriteResult.of(it, entity)) // .next(); return result.doOnNext(it -> maybeEmitEvent(new AfterSaveEvent<>(entity, tableName))); }
.execute((ReactiveSessionCallback<WriteResult>) session -> session.prepare(this.ingestQuery) .map(s -> QueryOptionsUtil.addPreparedStatementOptions(s, this.writeOptions))
.execute((ReactiveSessionCallback<WriteResult>) session -> session.prepare(this.ingestQuery) .map(s -> QueryOptionsUtil.addPreparedStatementOptions(s, this.writeOptions))
<T> Mono<EntityWriteResult<T>> doInsert(T entity, WriteOptions options, CqlIdentifier tableName) { CassandraPersistentEntity<?> persistentEntity = getRequiredPersistentEntity(entity.getClass()); Insert insert = QueryUtils.createInsertQuery(tableName.toCql(), entity, options, getConverter(), persistentEntity); // noinspection ConstantConditions Mono<EntityWriteResult<T>> result = getReactiveCqlOperations() // .execute(new StatementCallback(insert)) // .doOnSubscribe(it -> maybeEmitEvent(new BeforeSaveEvent<>(entity, tableName, insert))) // .map(it -> EntityWriteResult.of(it, entity)) // .next(); return result.doOnNext(it -> maybeEmitEvent(new AfterSaveEvent<>(entity, tableName))); }
@Override public Mono<Boolean> deleteById(Object id, Class<?> entityClass) { Assert.notNull(id, "Id must not be null"); Assert.notNull(entityClass, "Entity type must not be null"); CassandraPersistentEntity<?> entity = getRequiredPersistentEntity(entityClass); CqlIdentifier tableName = entity.getTableName(); Delete delete = QueryBuilder.delete().from(tableName.toCql()); getConverter().write(id, delete.where(), entity); Mono<Boolean> result = getReactiveCqlOperations().execute(delete) .doOnSubscribe(it -> maybeEmitEvent(new BeforeDeleteEvent<>(delete, entityClass, tableName))); return result.doOnNext(it -> maybeEmitEvent(new AfterDeleteEvent<>(delete, entityClass, tableName))); }
@Override public Mono<Void> truncate(Class<?> entityClass) { Assert.notNull(entityClass, "Entity type must not be null"); CqlIdentifier tableName = getTableName(entityClass); Truncate truncate = QueryBuilder.truncate(tableName.toCql()); Mono<Boolean> result = getReactiveCqlOperations().execute(truncate) .doOnSubscribe(it -> maybeEmitEvent(new BeforeDeleteEvent<>(truncate, entityClass, tableName))); return result.doOnNext(it -> maybeEmitEvent(new AfterDeleteEvent<>(truncate, entityClass, tableName))).then(); }
Mono<WriteResult> doDelete(Query query, Class<?> entityClass, CqlIdentifier tableName) { RegularStatement delete = getStatementFactory().delete(query, getRequiredPersistentEntity(entityClass), tableName); Mono<WriteResult> writeResult = getReactiveCqlOperations().execute(new StatementCallback(delete)) .doOnSubscribe(it -> maybeEmitEvent(new BeforeDeleteEvent<>(delete, entityClass, tableName))).next(); return writeResult.doOnNext(it -> maybeEmitEvent(new AfterDeleteEvent<>(delete, entityClass, tableName))); }