com.at.avro

Class DbSchemaExtractor

java.lang.Object

com.at.avro.DbSchemaExtractor

public class DbSchemaExtractor
extends Object

Connects to a db and populates AvroSchema beans for existing tables.

Author:

artur@callfire.com

Constructor Summary

Constructors

Constructor and Description
DbSchemaExtractor(String connectionUrl, String user, String password)

Method Summary

Modifier and Type	Method and Description
List<AvroSchema>	getAll(AvroConfig avroConfig) Returns all AvroSchemas that are present in a target DB
List<AvroSchema>	getForSchema(AvroConfig avroConfig, String dbSchemaName) Returns all AvroSchemas that are present in given DB schema
AvroSchema	getForTable(AvroConfig avroConfig, String dbSchemaName, String tableName) Returns AvroSchema for a specific table.
List<AvroSchema>	getForTables(AvroConfig avroConfig, String dbSchemaName, String... tableNames) Returns AvroSchemas for each of given tables Note: when you have a schema with a large amount of tables but are only interested in a few of them, consider calling getForTable() several times (separately for every table).

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

DbSchemaExtractor

public DbSchemaExtractor(String connectionUrl,
                         String user,
                         String password)

Method Detail

getAll

public List<AvroSchema> getAll(AvroConfig avroConfig)

Returns all AvroSchemas that are present in a target DB

getForSchema

public List<AvroSchema> getForSchema(AvroConfig avroConfig,
                                     String dbSchemaName)

Returns all AvroSchemas that are present in given DB schema

getForTables

public List<AvroSchema> getForTables(AvroConfig avroConfig,
                                     String dbSchemaName,
                                     String... tableNames)

Returns AvroSchemas for each of given tables Note: when you have a schema with a large amount of tables but are only interested in a few of them, consider calling getForTable() several times (separately for every table). This might significantly speedup the process.

getForTable

public AvroSchema getForTable(AvroConfig avroConfig,
                              String dbSchemaName,
                              String tableName)

Returns AvroSchema for a specific table.