Java Code Examples for com.google.cloud.spanner.KeySet#newBuilder()

The following examples show how to use com.google.cloud.spanner.KeySet#newBuilder() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: XATransaction.java    From spanner-jdbc with MIT License 6 votes vote down vote up 
private static void cleanupPrepared(TransactionContext transaction, String xid) {
  boolean foundRecords = false;
  KeySet.Builder builder = KeySet.newBuilder();
  try (ResultSet rs = transaction.executeQuery(getPreparedMutationsStatement(xid))) {
    while (rs.next()) {
      foundRecords = true;
      long number = rs.getLong(0);
      builder.addKey(Key.of(xid, number));
    }
  }
  if (foundRecords) {
    Mutation delete =
        Mutation.delete(CloudSpannerXAConnection.XA_PREPARED_MUTATIONS_TABLE, builder.build());
    transaction.buffer(delete);
  }
}
Example 2
Source File: SimpleSpannerRepository.java    From spring-cloud-gcp with Apache License 2.0 5 votes vote down vote up 
@Override
public Iterable<T> findAllById(Iterable<ID> ids) {
	KeySet.Builder builder = KeySet.newBuilder();
	for (Object id : ids) {
		builder.addKey(toKey(id));
	}
	return this.spannerTemplate.read(this.entityType, builder.build());
}
Example 3
Source File: SpannerMutationFactoryImpl.java    From spring-cloud-gcp with Apache License 2.0 5 votes vote down vote up 
@Override
public <T> Mutation delete(Class<T> entityClass, Iterable<? extends T> entities) {
	SpannerPersistentEntity<?> persistentEntity = this.spannerMappingContext
			.getPersistentEntity(entityClass);
	KeySet.Builder builder = KeySet.newBuilder();
	for (T entity : entities) {
		PersistentPropertyAccessor accessor = persistentEntity
				.getPropertyAccessor(entity);
		PersistentProperty idProperty = persistentEntity.getIdProperty();
		Key value = (Key) accessor.getProperty(idProperty);

		builder.addKey(value);
	}
	return delete(entityClass, builder.build());
}
Example 4
Source File: SpannerIOWriteTest.java    From beam with Apache License 2.0 5 votes vote down vote up 
private static Mutation del(Long... keys) {

    KeySet.Builder builder = KeySet.newBuilder();
    for (Long key : keys) {
      builder.addKey(Key.of(key));
    }
    return Mutation.delete("test", builder.build());
  }