me.prettyprint.cassandra.service

Class VirtualKeyspaceServiceImpl

java.lang.Object

me.prettyprint.cassandra.service.KeyspaceServiceImpl

me.prettyprint.cassandra.service.VirtualKeyspaceServiceImpl

All Implemented Interfaces:

KeyspaceService

public class VirtualKeyspaceServiceImpl
extends KeyspaceServiceImpl

Field Summary

Fields inherited from interface me.prettyprint.cassandra.service.KeyspaceService

CF_TYPE, CF_TYPE_STANDARD, CF_TYPE_SUPER

Constructor Summary

Constructors

Constructor and Description
VirtualKeyspaceServiceImpl(String keyspaceName, E keyPrefix, Serializer<E> keyPrefixSerializer, ConsistencyLevelPolicy consistencyLevel, HConnectionManager connectionManager, FailoverPolicy failoverPolicy)
VirtualKeyspaceServiceImpl(String keyspaceName, E keyPrefix, Serializer<E> keyPrefixSerializer, ConsistencyLevelPolicy consistencyLevel, HConnectionManager connectionManager, FailoverPolicy failoverPolicy, Map<String,String> credentials)

Method Summary

Methods

Modifier and Type	Method and Description
void	addCounter(ByteBuffer key, org.apache.cassandra.thrift.ColumnParent columnParent, org.apache.cassandra.thrift.CounterColumn counterColumn) Add a counter with CL.ONE
void	batchMutate(BatchMutation batchMutate) Call batch mutate with the BatchMutation object which encapsulates some of the complexity of the batch_mutate API signature
void	batchMutate(Map<ByteBuffer,Map<String,List<org.apache.cassandra.thrift.Mutation>>> mutationMap) Call batch mutate with the assembled mutationMap.
org.apache.cassandra.thrift.Column	getColumn(ByteBuffer key, org.apache.cassandra.thrift.ColumnPath columnPath) Get the Column at the given columnPath.
int	getCount(ByteBuffer key, org.apache.cassandra.thrift.ColumnParent columnParent, org.apache.cassandra.thrift.SlicePredicate predicate) Counts the columns present in columnParent.
org.apache.cassandra.thrift.CounterColumn	getCounter(ByteBuffer key, org.apache.cassandra.thrift.ColumnPath columnPath) Get the Counter Column at the given columnPath.
List<org.apache.cassandra.thrift.CounterColumn>	getCounterSlice(ByteBuffer key, org.apache.cassandra.thrift.ColumnParent columnParent, org.apache.cassandra.thrift.SlicePredicate predicate) Get the group of counter columns contained by columnParent.
List<org.apache.cassandra.thrift.CounterSuperColumn>	getCounterSuperSlice(ByteBuffer key, org.apache.cassandra.thrift.ColumnParent columnParent, org.apache.cassandra.thrift.SlicePredicate predicate) Get the group of superColumn contained by columnParent.
Map<ByteBuffer,List<org.apache.cassandra.thrift.Column>>	getIndexedSlices(org.apache.cassandra.thrift.ColumnParent columnParent, org.apache.cassandra.thrift.IndexClause indexClause, org.apache.cassandra.thrift.SlicePredicate predicate) returns a subset of columns for a range of keys.
Map<ByteBuffer,List<org.apache.cassandra.thrift.CounterColumn>>	getRangeCounterSlices(org.apache.cassandra.thrift.ColumnParent columnParent, org.apache.cassandra.thrift.SlicePredicate predicate, org.apache.cassandra.thrift.KeyRange keyRange) returns a subset of counter columns for a range of keys
Map<ByteBuffer,List<org.apache.cassandra.thrift.Column>>	getRangeSlices(org.apache.cassandra.thrift.ColumnParent columnParent, org.apache.cassandra.thrift.SlicePredicate predicate, org.apache.cassandra.thrift.KeyRange keyRange) returns a subset of columns for a range of keys.
List<org.apache.cassandra.thrift.Column>	getSlice(ByteBuffer key, org.apache.cassandra.thrift.ColumnParent columnParent, org.apache.cassandra.thrift.SlicePredicate predicate) Get the group of columns contained by columnParent.
org.apache.cassandra.thrift.SuperColumn	getSuperColumn(ByteBuffer key, org.apache.cassandra.thrift.ColumnPath columnPath) Get the SuperColumn at the given columnPath.
org.apache.cassandra.thrift.SuperColumn	getSuperColumn(ByteBuffer key, org.apache.cassandra.thrift.ColumnPath columnPath, boolean reversed, int size) Get the SuperColumn at the given columnPath.
Map<ByteBuffer,List<org.apache.cassandra.thrift.CounterSuperColumn>>	getSuperRangeCounterSlices(org.apache.cassandra.thrift.ColumnParent columnParent, org.apache.cassandra.thrift.SlicePredicate predicate, org.apache.cassandra.thrift.KeyRange keyRange) returns a subset of counter super columns for a range of keys
Map<ByteBuffer,List<org.apache.cassandra.thrift.SuperColumn>>	getSuperRangeSlices(org.apache.cassandra.thrift.ColumnParent columnParent, org.apache.cassandra.thrift.SlicePredicate predicate, org.apache.cassandra.thrift.KeyRange keyRange) returns a subset of super columns for a range of keys.
List<org.apache.cassandra.thrift.SuperColumn>	getSuperSlice(ByteBuffer key, org.apache.cassandra.thrift.ColumnParent columnParent, org.apache.cassandra.thrift.SlicePredicate predicate) Get the group of superColumn contained by columnParent.
void	insert(ByteBuffer key, org.apache.cassandra.thrift.ColumnParent columnParent, org.apache.cassandra.thrift.Column column) Inserts a column.
Map<ByteBuffer,Integer>	multigetCount(List<ByteBuffer> keys, org.apache.cassandra.thrift.ColumnParent columnParent, org.apache.cassandra.thrift.SlicePredicate slicePredicate) Returns a map of key to column count
Map<ByteBuffer,List<org.apache.cassandra.thrift.CounterColumn>>	multigetCounterSlice(List<ByteBuffer> keys, org.apache.cassandra.thrift.ColumnParent columnParent, org.apache.cassandra.thrift.SlicePredicate predicate) Performs a get_slice for columnParent and predicate for the given keys in parallel.
Map<ByteBuffer,List<org.apache.cassandra.thrift.CounterSuperColumn>>	multigetCounterSuperSlice(List<ByteBuffer> keys, org.apache.cassandra.thrift.ColumnParent columnParent, org.apache.cassandra.thrift.SlicePredicate predicate) Performs a get_slice for a superColumn columnParent and predicate for the given keys in parallel.
Map<ByteBuffer,List<org.apache.cassandra.thrift.Column>>	multigetSlice(List<ByteBuffer> keys, org.apache.cassandra.thrift.ColumnParent columnParent, org.apache.cassandra.thrift.SlicePredicate predicate) Performs a get_slice for columnParent and predicate for the given keys in parallel.
Map<ByteBuffer,List<org.apache.cassandra.thrift.SuperColumn>>	multigetSuperSlice(List<ByteBuffer> keys, org.apache.cassandra.thrift.ColumnParent columnParent, org.apache.cassandra.thrift.SlicePredicate predicate) Performs a get_slice for a superColumn columnParent and predicate for the given keys in parallel.
org.apache.cassandra.thrift.KeyRange	prefixKeyRange(org.apache.cassandra.thrift.KeyRange unprefixed)
void	remove(ByteBuffer key, org.apache.cassandra.thrift.ColumnPath columnPath, long timestamp) Same as two argument version, but the caller must specify their own clock
void	removeCounter(ByteBuffer key, org.apache.cassandra.thrift.ColumnPath columnPath)
org.apache.cassandra.thrift.KeyRange	unprefixKeyRange(org.apache.cassandra.thrift.KeyRange prefixed)

Methods inherited from class me.prettyprint.cassandra.service.KeyspaceServiceImpl

addCounter, getCassandraHost, getColumn, getConsistencyLevel, getCounter, getCounterSlice, getCounterSuperSlice, getName, getSlice, getSuperColumn, getSuperSlice, insert, insert, multigetSuperColumn, multigetSuperColumn, remove, remove, remove, removeCounter, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

VirtualKeyspaceServiceImpl

public VirtualKeyspaceServiceImpl(String keyspaceName,
                          E keyPrefix,
                          Serializer<E> keyPrefixSerializer,
                          ConsistencyLevelPolicy consistencyLevel,
                          HConnectionManager connectionManager,
                          FailoverPolicy failoverPolicy)
                           throws HectorTransportException

Throws:

HectorTransportException

VirtualKeyspaceServiceImpl

public VirtualKeyspaceServiceImpl(String keyspaceName,
                          E keyPrefix,
                          Serializer<E> keyPrefixSerializer,
                          ConsistencyLevelPolicy consistencyLevel,
                          HConnectionManager connectionManager,
                          FailoverPolicy failoverPolicy,
                          Map<String,String> credentials)
                           throws HectorTransportException

Throws:

HectorTransportException

Method Detail

prefixKeyRange

public org.apache.cassandra.thrift.KeyRange prefixKeyRange(org.apache.cassandra.thrift.KeyRange unprefixed)

unprefixKeyRange

public org.apache.cassandra.thrift.KeyRange unprefixKeyRange(org.apache.cassandra.thrift.KeyRange prefixed)

batchMutate

public void batchMutate(Map<ByteBuffer,Map<String,List<org.apache.cassandra.thrift.Mutation>>> mutationMap)
                 throws HectorException

Description copied from interface: KeyspaceService

Call batch mutate with the assembled mutationMap. This method is a direct pass-through to the underlying Thrift API

Specified by:

batchMutate in interface KeyspaceService

Overrides:

batchMutate in class KeyspaceServiceImpl

Throws:

HectorException

batchMutate

public void batchMutate(BatchMutation batchMutate)
                 throws HectorException

Description copied from interface: KeyspaceService

Call batch mutate with the BatchMutation object which encapsulates some of the complexity of the batch_mutate API signature

Specified by:

batchMutate in interface KeyspaceService

Overrides:

batchMutate in class KeyspaceServiceImpl

Throws:

HectorException

getCount

public int getCount(ByteBuffer key,
           org.apache.cassandra.thrift.ColumnParent columnParent,
           org.apache.cassandra.thrift.SlicePredicate predicate)
             throws HectorException

Description copied from interface: KeyspaceService

Counts the columns present in columnParent.

Specified by:

getCount in interface KeyspaceService

Overrides:

getCount in class KeyspaceServiceImpl

Throws:

HectorException

getRangeSlices

public Map<ByteBuffer,List<org.apache.cassandra.thrift.Column>> getRangeSlices(org.apache.cassandra.thrift.ColumnParent columnParent,
                                                                      org.apache.cassandra.thrift.SlicePredicate predicate,
                                                                      org.apache.cassandra.thrift.KeyRange keyRange)
                                                                        throws HectorException

Description copied from interface: KeyspaceService

returns a subset of columns for a range of keys.

Specified by:

getRangeSlices in interface KeyspaceService

Overrides:

getRangeSlices in class KeyspaceServiceImpl

Throws:

HectorException

getRangeCounterSlices

public Map<ByteBuffer,List<org.apache.cassandra.thrift.CounterColumn>> getRangeCounterSlices(org.apache.cassandra.thrift.ColumnParent columnParent,
                                                                                    org.apache.cassandra.thrift.SlicePredicate predicate,
                                                                                    org.apache.cassandra.thrift.KeyRange keyRange)
                                                                                      throws HectorException

Description copied from interface: KeyspaceService

returns a subset of counter columns for a range of keys

Specified by:

getRangeCounterSlices in interface KeyspaceService

Overrides:

getRangeCounterSlices in class KeyspaceServiceImpl

Throws:

HectorException

getSuperRangeSlices

public Map<ByteBuffer,List<org.apache.cassandra.thrift.SuperColumn>> getSuperRangeSlices(org.apache.cassandra.thrift.ColumnParent columnParent,
                                                                                org.apache.cassandra.thrift.SlicePredicate predicate,
                                                                                org.apache.cassandra.thrift.KeyRange keyRange)
                                                                                  throws HectorException

Description copied from interface: KeyspaceService

returns a subset of super columns for a range of keys.

Specified by:

getSuperRangeSlices in interface KeyspaceService

Overrides:

getSuperRangeSlices in class KeyspaceServiceImpl

Throws:

HectorException

getSuperRangeCounterSlices

public Map<ByteBuffer,List<org.apache.cassandra.thrift.CounterSuperColumn>> getSuperRangeCounterSlices(org.apache.cassandra.thrift.ColumnParent columnParent,
                                                                                              org.apache.cassandra.thrift.SlicePredicate predicate,
                                                                                              org.apache.cassandra.thrift.KeyRange keyRange)
                                                                                                throws HectorException

Description copied from interface: KeyspaceService

returns a subset of counter super columns for a range of keys

Specified by:

getSuperRangeCounterSlices in interface KeyspaceService

Overrides:

getSuperRangeCounterSlices in class KeyspaceServiceImpl

Throws:

HectorException

getSlice

public List<org.apache.cassandra.thrift.Column> getSlice(ByteBuffer key,
                                                org.apache.cassandra.thrift.ColumnParent columnParent,
                                                org.apache.cassandra.thrift.SlicePredicate predicate)
                                                  throws HectorException

Description copied from interface: KeyspaceService

Get the group of columns contained by columnParent. Returns Either a ColumnFamily name or a ColumnFamily/SuperColumn specified by the given predicate. If no matching values are found, an empty list is returned.

Specified by:

getSlice in interface KeyspaceService

Overrides:

getSlice in class KeyspaceServiceImpl

Throws:

HectorException

getCounterSlice

public List<org.apache.cassandra.thrift.CounterColumn> getCounterSlice(ByteBuffer key,
                                                              org.apache.cassandra.thrift.ColumnParent columnParent,
                                                              org.apache.cassandra.thrift.SlicePredicate predicate)
                                                                throws HectorException

Description copied from interface: KeyspaceService

Get the group of counter columns contained by columnParent. Returns Either a ColumnFamily name or a ColumnFamily/SuperColumn specified by the given predicate. If no matching values are found, an empty list is returned.

Specified by:

getCounterSlice in interface KeyspaceService

Overrides:

getCounterSlice in class KeyspaceServiceImpl

Throws:

HectorException

getSuperColumn

public org.apache.cassandra.thrift.SuperColumn getSuperColumn(ByteBuffer key,
                                                     org.apache.cassandra.thrift.ColumnPath columnPath)
                                                       throws HectorException

Description copied from interface: KeyspaceService

Get the SuperColumn at the given columnPath. by default will return column with native order and the size of the list is unlimited (so be careful...) If no value is present, HNotFoundException is thrown (which is a sub-type of HectorException)

Specified by:

getSuperColumn in interface KeyspaceService

Overrides:

getSuperColumn in class KeyspaceServiceImpl

Throws:

HectorException - if any other error occurs (including HNotFoundException if no value is present)

getSuperColumn

public org.apache.cassandra.thrift.SuperColumn getSuperColumn(ByteBuffer key,
                                                     org.apache.cassandra.thrift.ColumnPath columnPath,
                                                     boolean reversed,
                                                     int size)
                                                       throws HectorException

Description copied from interface: KeyspaceService

Get the SuperColumn at the given columnPath. If no value is present, HNotFoundException is thrown (which is a sub-type of HectorException) by default will return column with native order and the size of the list is unlimited (so be careful...)

Specified by:

getSuperColumn in interface KeyspaceService

Overrides:

getSuperColumn in class KeyspaceServiceImpl

reversed - the result Column sort

size - the result column size

Throws:

HectorException - if any other error occurs (including HNotFoundException if no value is present)

getSuperSlice

public List<org.apache.cassandra.thrift.SuperColumn> getSuperSlice(ByteBuffer key,
                                                          org.apache.cassandra.thrift.ColumnParent columnParent,
                                                          org.apache.cassandra.thrift.SlicePredicate predicate)
                                                            throws HectorException

Description copied from interface: KeyspaceService

Get the group of superColumn contained by columnParent.

Specified by:

getSuperSlice in interface KeyspaceService

Overrides:

getSuperSlice in class KeyspaceServiceImpl

Throws:

HectorException

insert

public void insert(ByteBuffer key,
          org.apache.cassandra.thrift.ColumnParent columnParent,
          org.apache.cassandra.thrift.Column column)
            throws HectorException

Description copied from interface: KeyspaceService

Inserts a column.

Specified by:

insert in interface KeyspaceService

Overrides:

insert in class KeyspaceServiceImpl

Throws:

HectorException

multigetSlice

public Map<ByteBuffer,List<org.apache.cassandra.thrift.Column>> multigetSlice(List<ByteBuffer> keys,
                                                                     org.apache.cassandra.thrift.ColumnParent columnParent,
                                                                     org.apache.cassandra.thrift.SlicePredicate predicate)
                                                                       throws HectorException

Description copied from interface: KeyspaceService

Performs a get_slice for columnParent and predicate for the given keys in parallel.

Specified by:

multigetSlice in interface KeyspaceService

Overrides:

multigetSlice in class KeyspaceServiceImpl

Throws:

HectorException

multigetCounterSlice

public Map<ByteBuffer,List<org.apache.cassandra.thrift.CounterColumn>> multigetCounterSlice(List<ByteBuffer> keys,
                                                                                   org.apache.cassandra.thrift.ColumnParent columnParent,
                                                                                   org.apache.cassandra.thrift.SlicePredicate predicate)
                                                                                     throws HectorException

Description copied from interface: KeyspaceService

Performs a get_slice for columnParent and predicate for the given keys in parallel.

Specified by:

multigetCounterSlice in interface KeyspaceService

Overrides:

multigetCounterSlice in class KeyspaceServiceImpl

Throws:

HectorException

multigetSuperSlice

public Map<ByteBuffer,List<org.apache.cassandra.thrift.SuperColumn>> multigetSuperSlice(List<ByteBuffer> keys,
                                                                               org.apache.cassandra.thrift.ColumnParent columnParent,
                                                                               org.apache.cassandra.thrift.SlicePredicate predicate)
                                                                                 throws HectorException

Description copied from interface: KeyspaceService

Performs a get_slice for a superColumn columnParent and predicate for the given keys in parallel.

Specified by:

multigetSuperSlice in interface KeyspaceService

Overrides:

multigetSuperSlice in class KeyspaceServiceImpl

Throws:

HectorException

multigetCounterSuperSlice

public Map<ByteBuffer,List<org.apache.cassandra.thrift.CounterSuperColumn>> multigetCounterSuperSlice(List<ByteBuffer> keys,
                                                                                             org.apache.cassandra.thrift.ColumnParent columnParent,
                                                                                             org.apache.cassandra.thrift.SlicePredicate predicate)
                                                                                               throws HectorException

Description copied from interface: KeyspaceService

Performs a get_slice for a superColumn columnParent and predicate for the given keys in parallel.

Specified by:

multigetCounterSuperSlice in interface KeyspaceService

Overrides:

multigetCounterSuperSlice in class KeyspaceServiceImpl

Throws:

HectorException

getIndexedSlices

public Map<ByteBuffer,List<org.apache.cassandra.thrift.Column>> getIndexedSlices(org.apache.cassandra.thrift.ColumnParent columnParent,
                                                                        org.apache.cassandra.thrift.IndexClause indexClause,
                                                                        org.apache.cassandra.thrift.SlicePredicate predicate)
                                                                          throws HectorException

Description copied from interface: KeyspaceService

returns a subset of columns for a range of keys.

Specified by:

getIndexedSlices in interface KeyspaceService

Overrides:

getIndexedSlices in class KeyspaceServiceImpl

Throws:

HectorException

multigetCount

public Map<ByteBuffer,Integer> multigetCount(List<ByteBuffer> keys,
                                    org.apache.cassandra.thrift.ColumnParent columnParent,
                                    org.apache.cassandra.thrift.SlicePredicate slicePredicate)
                                      throws HectorException

Description copied from interface: KeyspaceService

Returns a map of key to column count

Specified by:

multigetCount in interface KeyspaceService

Overrides:

multigetCount in class KeyspaceServiceImpl

Throws:

HectorException

remove

public void remove(ByteBuffer key,
          org.apache.cassandra.thrift.ColumnPath columnPath,
          long timestamp)
            throws HectorException

Description copied from interface: KeyspaceService

Same as two argument version, but the caller must specify their own clock

Specified by:

remove in interface KeyspaceService

Overrides:

remove in class KeyspaceServiceImpl

Throws:

HectorException

getColumn

public org.apache.cassandra.thrift.Column getColumn(ByteBuffer key,
                                           org.apache.cassandra.thrift.ColumnPath columnPath)
                                             throws HectorException

Description copied from interface: KeyspaceService

Get the Column at the given columnPath. If no value is present, HNotFoundException is thrown (which is a sub-type of HectorException)

Specified by:

getColumn in interface KeyspaceService

Overrides:

getColumn in class KeyspaceServiceImpl

Throws:

HectorException - if any other error occurs (including HNotFoundException if no value is present)

getCounter

public org.apache.cassandra.thrift.CounterColumn getCounter(ByteBuffer key,
                                                   org.apache.cassandra.thrift.ColumnPath columnPath)
                                                     throws HectorException

Description copied from interface: KeyspaceService

Get the Counter Column at the given columnPath. If no value is present, HNotFoundException is thrown (which is a sub-type of HectorException)

Specified by:

getCounter in interface KeyspaceService

Overrides:

getCounter in class KeyspaceServiceImpl

Throws:

HectorException - if any other error occurs (including HNotFoundException if no value is present)

addCounter

public void addCounter(ByteBuffer key,
              org.apache.cassandra.thrift.ColumnParent columnParent,
              org.apache.cassandra.thrift.CounterColumn counterColumn)
                throws HectorException

Description copied from interface: KeyspaceService

Add a counter with CL.ONE

Specified by:

addCounter in interface KeyspaceService

Overrides:

addCounter in class KeyspaceServiceImpl

Throws:

HectorException

getCounterSuperSlice

public List<org.apache.cassandra.thrift.CounterSuperColumn> getCounterSuperSlice(ByteBuffer key,
                                                                        org.apache.cassandra.thrift.ColumnParent columnParent,
                                                                        org.apache.cassandra.thrift.SlicePredicate predicate)
                                                                          throws HectorException

Description copied from interface: KeyspaceService

Get the group of superColumn contained by columnParent.

Specified by:

getCounterSuperSlice in interface KeyspaceService

Overrides:

getCounterSuperSlice in class KeyspaceServiceImpl

Throws:

HectorException

removeCounter

public void removeCounter(ByteBuffer key,
                 org.apache.cassandra.thrift.ColumnPath columnPath)
                   throws HectorException

Specified by:

removeCounter in interface KeyspaceService

Overrides:

removeCounter in class KeyspaceServiceImpl

Throws:

HectorException