org.apache.gora.accumulo.store

Class AccumuloStore<K,T extends org.apache.gora.persistency.impl.PersistentBase>

java.lang.Object

org.apache.gora.store.impl.DataStoreBase<K,T>

org.apache.gora.accumulo.store.AccumuloStore<K,T>

All Implemented Interfaces:

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

public class AccumuloStore<K,T extends org.apache.gora.persistency.impl.PersistentBase>
extends org.apache.gora.store.impl.DataStoreBase<K,T>

Directs CRUD operations into Accumulo.

Field Summary

Fields

Modifier and Type	Field and Description
protected static String	DEFAULT_MAPPING_FILE
protected static String	INSTANCE_NAME_PROPERTY
static org.slf4j.Logger	LOG
protected static String	MOCK_PROPERTY
protected static String	PASSWORD_PROPERTY
protected static String	USERNAME_PROPERTY
protected static String	ZOOKEEPERS_NAME_PROPERTY

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

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

Constructor Summary

Constructors

Constructor and Description
AccumuloStore()

Method Summary

Methods

Modifier and Type	Method and Description
void	close()
void	createSchema()
boolean	delete(K key)
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()
K	fromBytes(Class<K> clazz, byte[] val)
static <K> K	fromBytes(Encoder encoder, Class<K> clazz, byte[] val)
static Object	fromBytes(Encoder encoder, org.apache.avro.Schema schema, byte[] data)
Object	fromBytes(org.apache.avro.Schema schema, byte[] data)
T	get(K key, String[] fields)
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)
org.apache.gora.query.Query<K,T>	newQuery()
org.apache.accumulo.core.data.ByteSequence	populate(Iterator<Map.Entry<org.apache.accumulo.core.data.Key,org.apache.accumulo.core.data.Value>> iter, T persistent)
void	put(K key, T val)
protected AccumuloMapping	readMapping(String filename)
boolean	schemaExists()
static byte[]	toBytes(Encoder encoder, Object o)
byte[]	toBytes(Object o)
byte[]	toBytes(org.apache.avro.Schema toSchema, Object o)

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

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

Methods inherited from class java.lang.Object

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

Field Detail

MOCK_PROPERTY

protected static final String MOCK_PROPERTY

See Also:

Constant Field Values

INSTANCE_NAME_PROPERTY

protected static final String INSTANCE_NAME_PROPERTY

See Also:

Constant Field Values

ZOOKEEPERS_NAME_PROPERTY

protected static final String ZOOKEEPERS_NAME_PROPERTY

See Also:

Constant Field Values

USERNAME_PROPERTY

protected static final String USERNAME_PROPERTY

See Also:

Constant Field Values

PASSWORD_PROPERTY

protected static final String PASSWORD_PROPERTY

See Also:

Constant Field Values

DEFAULT_MAPPING_FILE

protected static final String DEFAULT_MAPPING_FILE

See Also:

Constant Field Values

LOG

public static final org.slf4j.Logger LOG

Constructor Detail

AccumuloStore

public AccumuloStore()

Method Detail

fromBytes

public Object fromBytes(org.apache.avro.Schema schema,
               byte[] data)
                 throws org.apache.gora.util.GoraException

Throws:

org.apache.gora.util.GoraException

fromBytes

public static Object fromBytes(Encoder encoder,
               org.apache.avro.Schema schema,
               byte[] data)

fromBytes

public K fromBytes(Class<K> clazz,
          byte[] val)

fromBytes

public static <K> K fromBytes(Encoder encoder,
              Class<K> clazz,
              byte[] val)

toBytes

public byte[] toBytes(org.apache.avro.Schema toSchema,
             Object o)

toBytes

public byte[] toBytes(Object o)

toBytes

public static byte[] toBytes(Encoder encoder,
             Object o)

initialize

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

Specified by:

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

Overrides:

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

readMapping

protected AccumuloMapping readMapping(String filename)
                               throws IOException

Throws:

IOException

getSchemaName

public String getSchemaName()

createSchema

public void createSchema()

deleteSchema

public void deleteSchema()

schemaExists

public boolean schemaExists()

populate

public org.apache.accumulo.core.data.ByteSequence populate(Iterator<Map.Entry<org.apache.accumulo.core.data.Key,org.apache.accumulo.core.data.Value>> iter,
                                                  T persistent)
                                                    throws IOException

Throws:

IOException

get

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

put

public void put(K key,
       T val)

delete

public boolean delete(K key)

deleteByQuery

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

execute

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

newQuery

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

getPartitions

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

Throws:

IOException

flush

public void flush()

close

public void close()