org.apache.metamodel

Interface UpdateableDataContext

All Superinterfaces:

DataContext

All Known Implementing Classes:

AbstractElasticSearchDataContext, CouchDbDataContext, CsvDataContext, DynamoDbDataContext, ElasticSearchDataContext, ElasticSearchRestDataContext, ExcelDataContext, HBaseDataContext, InterceptableDataContext, JdbcDataContext, KafkaDataContext, MongoDbDataContext, MongoDbDataContext, PojoDataContext, SalesforceDataContext

@InterfaceStability.Stable
public interface UpdateableDataContext
extends DataContext

Represents a DataContext that supports updating write-operations.

Method Summary

Modifier and Type	Method and Description
UpdateSummary	executeUpdate(UpdateScript update) Submits an UpdateScript for execution on the DataContext.

Methods inherited from interface org.apache.metamodel.DataContext

compileQuery, executeQuery, executeQuery, executeQuery, getColumnByQualifiedLabel, getDefaultSchema, getSchemaByName, getSchemaNames, getSchemas, getTableByQualifiedLabel, parseQuery, query, refreshSchemas

Method Detail

executeUpdate

UpdateSummary executeUpdate(UpdateScript update)

Submits an UpdateScript for execution on the DataContext. Since implementations of the DataContext vary quite a lot, there is no golden rule as to how an update script will be executed. But the implementors should strive towards handling an UpdateScript as a single transactional change to the data store.

Parameters:

update - the update script to execute

Returns:

a summary of the updates performed