org.apache.gora.hbase.store
Class HBaseStore<K,T extends org.apache.gora.persistency.Persistent>

java.lang.Object
  org.apache.gora.store.impl.DataStoreBase<K,T>
      org.apache.gora.hbase.store.HBaseStore<K,T>

All Implemented Interfaces:

Closeable, org.apache.gora.store.DataStore<K,T>, org.apache.hadoop.conf.Configurable, org.apache.hadoop.io.Writable

public class HBaseStore<K,T extends org.apache.gora.persistency.Persistent>
extends org.apache.gora.store.impl.DataStoreBase<K,T>
implements org.apache.hadoop.conf.Configurable

DataStore for HBase. Thread safe.

Field Summary

static String	DEFAULT_MAPPING_FILE
static org.apache.commons.logging.Log	log
static String	PARSE_MAPPING_FILE_KEY

Fields inherited from class org.apache.gora.store.impl.DataStoreBase

beanFactory, datumReader, datumWriter, fieldMap, keyClass, persistentClass, properties, schema

Constructor Summary

HBaseStore()

Method Summary

void	close()
org.apache.hadoop.hbase.client.ResultScanner	createScanner(org.apache.gora.query.Query<K,T> query)
void	createSchema()
boolean	delete(K key) Deletes the object with the given key.
void	delete(T obj)
long	deleteByQuery(org.apache.gora.query.Query<K,T> query)
void	deleteSchema()
org.apache.gora.query.Result<K,T>	execute(org.apache.gora.query.Query<K,T> query)
void	flush()
T	get(K key, String[] fields)
org.apache.hadoop.conf.Configuration	getConf()
List<org.apache.gora.query.PartitionQuery<K,T>>	getPartitions(org.apache.gora.query.Query<K,T> query)
String	getSchemaName()
void	initialize(Class<K> keyClass, Class<T> persistentClass, Properties properties)
T	newInstance(org.apache.hadoop.hbase.client.Result result, String[] fields)
org.apache.gora.query.Query<K,T>	newQuery()
void	put(K key, T persistent)
boolean	schemaExists()
void	setConf(org.apache.hadoop.conf.Configuration conf)

Methods inherited from class org.apache.gora.store.impl.DataStoreBase

equals, get, getBeanFactory, getFieldsToQuery, getKeyClass, getOrCreateConf, getPersistentClass, getSchemaName, newKey, newPersistent, readFields, setBeanFactory, setKeyClass, setPersistentClass, truncateSchema, write

Methods inherited from class java.lang.Object

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

Field Detail

log

public static final org.apache.commons.logging.Log log

PARSE_MAPPING_FILE_KEY

public static final String PARSE_MAPPING_FILE_KEY

See Also:

Constant Field Values

DEFAULT_MAPPING_FILE

public static final String DEFAULT_MAPPING_FILE

See Also:

Constant Field Values

Constructor Detail

HBaseStore

public HBaseStore()

Method Detail

initialize

public void initialize(Class<K> keyClass,
                       Class<T> persistentClass,
                       Properties properties)
                throws IOException

Specified by:

initialize in interface org.apache.gora.store.DataStore<K,T extends org.apache.gora.persistency.Persistent>

Overrides:

initialize in class org.apache.gora.store.impl.DataStoreBase<K,T extends org.apache.gora.persistency.Persistent>

Throws:

IOException

getSchemaName

public String getSchemaName()

Specified by:

getSchemaName in interface org.apache.gora.store.DataStore<K,T extends org.apache.gora.persistency.Persistent>

createSchema

public void createSchema()
                  throws IOException

Specified by:

createSchema in interface org.apache.gora.store.DataStore<K,T extends org.apache.gora.persistency.Persistent>

Throws:

IOException

deleteSchema

public void deleteSchema()
                  throws IOException

Specified by:

deleteSchema in interface org.apache.gora.store.DataStore<K,T extends org.apache.gora.persistency.Persistent>

Throws:

IOException

schemaExists

public boolean schemaExists()
                     throws IOException

Specified by:

schemaExists in interface org.apache.gora.store.DataStore<K,T extends org.apache.gora.persistency.Persistent>

Throws:

IOException

get

public T get(K key,
             String[] fields)
                                                     throws IOException

Specified by:

get in interface org.apache.gora.store.DataStore<K,T extends org.apache.gora.persistency.Persistent>

Throws:

IOException

put

public void put(K key,
                T persistent)
         throws IOException

Specified by:

put in interface org.apache.gora.store.DataStore<K,T extends org.apache.gora.persistency.Persistent>

Throws:

IOException

delete

public void delete(T obj)

delete

public boolean delete(K key)
               throws IOException

Deletes the object with the given key.

Specified by:

delete in interface org.apache.gora.store.DataStore<K,T extends org.apache.gora.persistency.Persistent>

Returns:

always true

Throws:

IOException

deleteByQuery

public long deleteByQuery(org.apache.gora.query.Query<K,T> query)
                   throws IOException

Specified by:

deleteByQuery in interface org.apache.gora.store.DataStore<K,T extends org.apache.gora.persistency.Persistent>

Throws:

IOException

flush

public void flush()
           throws IOException

Specified by:

flush in interface org.apache.gora.store.DataStore<K,T extends org.apache.gora.persistency.Persistent>

Throws:

IOException

newQuery

public org.apache.gora.query.Query<K,T> newQuery()

Specified by:

newQuery in interface org.apache.gora.store.DataStore<K,T extends org.apache.gora.persistency.Persistent>

getPartitions

public List<org.apache.gora.query.PartitionQuery<K,T>> getPartitions(org.apache.gora.query.Query<K,T> query)
                                                                                                             throws IOException

Specified by:

getPartitions in interface org.apache.gora.store.DataStore<K,T extends org.apache.gora.persistency.Persistent>

Throws:

IOException

execute

public org.apache.gora.query.Result<K,T> execute(org.apache.gora.query.Query<K,T> query)
                                                                                         throws IOException

Specified by:

execute in interface org.apache.gora.store.DataStore<K,T extends org.apache.gora.persistency.Persistent>

Throws:

IOException

createScanner

public org.apache.hadoop.hbase.client.ResultScanner createScanner(org.apache.gora.query.Query<K,T> query)
                                                           throws IOException

Throws:

IOException

newInstance

public T newInstance(org.apache.hadoop.hbase.client.Result result,
                     String[] fields)
                                                             throws IOException

Throws:

IOException

close

public void close()
           throws IOException

Specified by:

close in interface Closeable

Specified by:

close in interface org.apache.gora.store.DataStore<K,T extends org.apache.gora.persistency.Persistent>

Throws:

IOException

getConf

public org.apache.hadoop.conf.Configuration getConf()

Specified by:

getConf in interface org.apache.gora.store.DataStore<K,T extends org.apache.gora.persistency.Persistent>

Specified by:

getConf in interface org.apache.hadoop.conf.Configurable

Overrides:

getConf in class org.apache.gora.store.impl.DataStoreBase<K,T extends org.apache.gora.persistency.Persistent>

setConf

public void setConf(org.apache.hadoop.conf.Configuration conf)

Specified by:

setConf in interface org.apache.gora.store.DataStore<K,T extends org.apache.gora.persistency.Persistent>

Specified by:

setConf in interface org.apache.hadoop.conf.Configurable

Overrides:

setConf in class org.apache.gora.store.impl.DataStoreBase<K,T extends org.apache.gora.persistency.Persistent>