com.netflix.astyanax.recipes.storage

Class CassandraChunkedStorageProvider

java.lang.Object

com.netflix.astyanax.recipes.storage.CassandraChunkedStorageProvider

All Implemented Interfaces:

ChunkedStorageProvider

public class CassandraChunkedStorageProvider
extends java.lang.Object
implements ChunkedStorageProvider

ChunkProvider responsible for reading and writing chunks to cassandra. Chunks are written to different row keys with the row key name having the format $

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	CassandraChunkedStorageProvider.Columns

Constructor Summary

Constructors

Constructor and Description
CassandraChunkedStorageProvider(com.netflix.astyanax.Keyspace keyspace, com.netflix.astyanax.model.ColumnFamily<java.lang.String,java.lang.String> cf)
CassandraChunkedStorageProvider(com.netflix.astyanax.Keyspace keyspace, java.lang.String cfName)

Method Summary

Methods

Modifier and Type	Method and Description
void	deleteObject(java.lang.String objectName, java.lang.Integer chunkCount) Delete a chunk
com.netflix.astyanax.model.ConsistencyLevel	getConsistencyLevel() Deprecated. ise getReadConsistencyLevel() or getWriteConsistencyLevel()
int	getDefaultChunkSize()
com.netflix.astyanax.model.ConsistencyLevel	getReadConsistencyLevel()
com.netflix.astyanax.model.ConsistencyLevel	getWriteConsistencyLevel()
java.nio.ByteBuffer	readChunk(java.lang.String objectName, int chunkId) Read the request chunk id from the storage
ObjectMetadata	readMetadata(java.lang.String objectName) Retrieve information for a file
CassandraChunkedStorageProvider	setConsistencyLevel(com.netflix.astyanax.model.ConsistencyLevel consistencyLevel) Deprecated. use or #setWriteConsistencyLevel(ConsistencyLevel)
CassandraChunkedStorageProvider	setReadConsistencyLevel(com.netflix.astyanax.model.ConsistencyLevel consistencyLevel)
CassandraChunkedStorageProvider	setWriteConsistencyLevel(com.netflix.astyanax.model.ConsistencyLevel consistencyLevel)
CassandraChunkedStorageProvider	withColumnName(CassandraChunkedStorageProvider.Columns column, java.lang.String name)
CassandraChunkedStorageProvider	withRowKeyFormat(java.lang.String format)
int	writeChunk(java.lang.String objectName, int chunkId, java.nio.ByteBuffer data, java.lang.Integer ttl) Write a single chunk to the storage
void	writeMetadata(java.lang.String objectName, ObjectMetadata objMetaData) Persist all attributes for an object.

Methods inherited from class java.lang.Object

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

Constructor Detail

CassandraChunkedStorageProvider

public CassandraChunkedStorageProvider(com.netflix.astyanax.Keyspace keyspace,
                               java.lang.String cfName)

CassandraChunkedStorageProvider

public CassandraChunkedStorageProvider(com.netflix.astyanax.Keyspace keyspace,
                               com.netflix.astyanax.model.ColumnFamily<java.lang.String,java.lang.String> cf)

Method Detail

withColumnName

public CassandraChunkedStorageProvider withColumnName(CassandraChunkedStorageProvider.Columns column,
                                             java.lang.String name)

withRowKeyFormat

public CassandraChunkedStorageProvider withRowKeyFormat(java.lang.String format)

writeChunk

public int writeChunk(java.lang.String objectName,
             int chunkId,
             java.nio.ByteBuffer data,
             java.lang.Integer ttl)
               throws java.lang.Exception

Description copied from interface: ChunkedStorageProvider

Write a single chunk to the storage

Specified by:

writeChunk in interface ChunkedStorageProvider

Throws:

java.lang.Exception

readChunk

public java.nio.ByteBuffer readChunk(java.lang.String objectName,
                            int chunkId)
                              throws java.lang.Exception

Description copied from interface: ChunkedStorageProvider

Read the request chunk id from the storage

Specified by:

readChunk in interface ChunkedStorageProvider

Throws:

java.lang.Exception

setReadConsistencyLevel

public CassandraChunkedStorageProvider setReadConsistencyLevel(com.netflix.astyanax.model.ConsistencyLevel consistencyLevel)

getReadConsistencyLevel

public com.netflix.astyanax.model.ConsistencyLevel getReadConsistencyLevel()

setWriteConsistencyLevel

public CassandraChunkedStorageProvider setWriteConsistencyLevel(com.netflix.astyanax.model.ConsistencyLevel consistencyLevel)

getWriteConsistencyLevel

public com.netflix.astyanax.model.ConsistencyLevel getWriteConsistencyLevel()

setConsistencyLevel

@Deprecated
public CassandraChunkedStorageProvider setConsistencyLevel(com.netflix.astyanax.model.ConsistencyLevel consistencyLevel)

Deprecated. use or #setWriteConsistencyLevel(ConsistencyLevel)

Parameters:

consistencyLevel -

Returns:

getConsistencyLevel

@Deprecated
public com.netflix.astyanax.model.ConsistencyLevel getConsistencyLevel()

Deprecated. ise getReadConsistencyLevel() or getWriteConsistencyLevel()

Returns:

writeMetadata

public void writeMetadata(java.lang.String objectName,
                 ObjectMetadata objMetaData)
                   throws java.lang.Exception

Description copied from interface: ChunkedStorageProvider

Persist all attributes for an object. Some attributes are written at the start of the operation but are updated after the file has been written with additional information such as the total number of chunks and the file size

Specified by:

writeMetadata in interface ChunkedStorageProvider

Throws:

java.lang.Exception

readMetadata

public ObjectMetadata readMetadata(java.lang.String objectName)
                            throws java.lang.Exception,
                                   com.netflix.astyanax.connectionpool.exceptions.NotFoundException

Description copied from interface: ChunkedStorageProvider

Retrieve information for a file

Specified by:

readMetadata in interface ChunkedStorageProvider

Throws:

java.lang.Exception

com.netflix.astyanax.connectionpool.exceptions.NotFoundException

deleteObject

public void deleteObject(java.lang.String objectName,
                java.lang.Integer chunkCount)
                  throws java.lang.Exception,
                         com.netflix.astyanax.connectionpool.exceptions.NotFoundException

Description copied from interface: ChunkedStorageProvider

Delete a chunk

Specified by:

deleteObject in interface ChunkedStorageProvider

Throws:

java.lang.Exception

com.netflix.astyanax.connectionpool.exceptions.NotFoundException

getDefaultChunkSize

public int getDefaultChunkSize()

Specified by:

getDefaultChunkSize in interface ChunkedStorageProvider

Returns:

Return the preferred chunk size for this provider