org.apache.lens.storage.db
Class DBStorage

java.lang.Object
  org.apache.lens.cube.metadata.AbstractCubeTable
      org.apache.lens.cube.metadata.Storage
          org.apache.lens.storage.db.DBStorage

All Implemented Interfaces:

Named, PartitionMetahook

public class DBStorage
extends Storage

The Class DBStorage.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.lens.cube.metadata.Storage

Storage.LatestInfo, Storage.LatestPartColumnInfo

Field Summary

static String

DB_URL The Constant DB_URL.

Fields inherited from class org.apache.lens.cube.metadata.AbstractCubeTable

LOG

Constructor Summary

	DBStorage(String name) Instantiates a new DB storage.
protected	DBStorage(String name, Map<String,String> properties) Instantiates a new DB storage.
protected	DBStorage(String dbUrl, String name, Map<String,String> properties) Instantiates a new DB storage.
	DBStorage(org.apache.hadoop.hive.ql.metadata.Table hiveTable) Instantiates a new DB storage.

Method Summary

protected void	addProperties()
void	commitAddPartition(StoragePartitionDesc arg0)
void	commitDropPartition(String arg0, List<String> arg1)
String	getDbUrl()
void	preAddPartition(StoragePartitionDesc arg0)
void	preDropPartition(String arg0, List<String> arg1)
void	rollbackAddPartition(StoragePartitionDesc arg0)
void	rollbackDropPartition(String arg0, List<String> arg1)

Methods inherited from class org.apache.lens.cube.metadata.Storage

addPartition, dropPartition, getPrefix, getPrefix, getStorages, getStorageTable, getTableType

Methods inherited from class org.apache.lens.cube.metadata.AbstractCubeTable

addColumns, addProperties, alterColumn, alterWeight, equals, getAllFieldNames, getColumns, getName, getProperties, getWeight, hashCode, removeProperty, toString, weight

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

DB_URL

public static final String DB_URL

The Constant DB_URL.

See Also:

Constant Field Values

Constructor Detail

DBStorage

protected DBStorage(String dbUrl,
                    String name,
                    Map<String,String> properties)

Instantiates a new DB storage.

Parameters:

dbUrl - the db url

name - the name

properties - the properties

DBStorage

public DBStorage(String name)

Instantiates a new DB storage.

Parameters:

name - the name

DBStorage

protected DBStorage(String name,
                    Map<String,String> properties)

Instantiates a new DB storage.

Parameters:

name - the name

properties - the properties

DBStorage

public DBStorage(org.apache.hadoop.hive.ql.metadata.Table hiveTable)

Instantiates a new DB storage.

Parameters:

hiveTable - the hive table

Method Detail

addProperties

protected void addProperties()

Overrides:

addProperties in class Storage

getDbUrl

public String getDbUrl()

commitAddPartition

public void commitAddPartition(StoragePartitionDesc arg0)
                        throws org.apache.hadoop.hive.ql.metadata.HiveException

Throws:

org.apache.hadoop.hive.ql.metadata.HiveException

commitDropPartition

public void commitDropPartition(String arg0,
                                List<String> arg1)
                         throws org.apache.hadoop.hive.ql.metadata.HiveException

Throws:

org.apache.hadoop.hive.ql.metadata.HiveException

preAddPartition

public void preAddPartition(StoragePartitionDesc arg0)
                     throws org.apache.hadoop.hive.ql.metadata.HiveException

Throws:

org.apache.hadoop.hive.ql.metadata.HiveException

preDropPartition

public void preDropPartition(String arg0,
                             List<String> arg1)
                      throws org.apache.hadoop.hive.ql.metadata.HiveException

Throws:

org.apache.hadoop.hive.ql.metadata.HiveException

rollbackAddPartition

public void rollbackAddPartition(StoragePartitionDesc arg0)
                          throws org.apache.hadoop.hive.ql.metadata.HiveException

Throws:

org.apache.hadoop.hive.ql.metadata.HiveException

rollbackDropPartition

public void rollbackDropPartition(String arg0,
                                  List<String> arg1)
                           throws org.apache.hadoop.hive.ql.metadata.HiveException

Throws:

org.apache.hadoop.hive.ql.metadata.HiveException