de.otto.synapse.messagestore.redis

Class RedisRingBufferMessageStore

java.lang.Object

de.otto.synapse.messagestore.redis.RedisRingBufferMessageStore

All Implemented Interfaces:

de.otto.synapse.messagestore.MessageStore, java.lang.AutoCloseable

@Beta
public class RedisRingBufferMessageStore
extends java.lang.Object
implements de.otto.synapse.messagestore.MessageStore

Redis-based implementation of a WritableMessageStore.

The store can be configured like a ring-buffer to only store the latest N messages.

Constructor Summary

Constructors

Constructor and Description
RedisRingBufferMessageStore(java.lang.String name, int batchSize, int ringBufferSize, org.springframework.data.redis.core.RedisTemplate<java.lang.String,java.lang.String> stringRedisTemplate)
RedisRingBufferMessageStore(java.lang.String name, int batchSize, int ringBufferSize, org.springframework.data.redis.core.RedisTemplate<java.lang.String,java.lang.String> stringRedisTemplate, de.otto.synapse.translator.Encoder<java.lang.String> messageEncoder, de.otto.synapse.translator.Decoder<java.lang.String> messageDecoder)

Method Summary

Modifier and Type	Method and Description
void	add(de.otto.synapse.messagestore.MessageStoreEntry entry)
void	clear()
void	close()
java.util.Set<java.lang.String>	getChannelNames()
com.google.common.collect.ImmutableSet<de.otto.synapse.messagestore.Index>	getIndexes()
de.otto.synapse.channel.ChannelPosition	getLatestChannelPosition(java.lang.String channelName)
long	size()
java.util.stream.Stream<de.otto.synapse.messagestore.MessageStoreEntry>	stream()
java.util.stream.Stream<de.otto.synapse.messagestore.MessageStoreEntry>	stream(de.otto.synapse.messagestore.Index index, java.lang.String value) Deprecated. Unsupported operation.

Methods inherited from class java.lang.Object

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

Methods inherited from interface de.otto.synapse.messagestore.MessageStore

getLatestChannelPosition, isCompacting

Constructor Detail

RedisRingBufferMessageStore

public RedisRingBufferMessageStore(java.lang.String name,
                                   int batchSize,
                                   int ringBufferSize,
                                   org.springframework.data.redis.core.RedisTemplate<java.lang.String,java.lang.String> stringRedisTemplate)

Parameters:

name - the name of the message store

batchSize - the size of the batches used to fetch messages from Redis

ringBufferSize - the maximum number of messages stored in the ring-buffer

stringRedisTemplate - the RedisTemplate used to access Redis

RedisRingBufferMessageStore

public RedisRingBufferMessageStore(java.lang.String name,
                                   int batchSize,
                                   int ringBufferSize,
                                   org.springframework.data.redis.core.RedisTemplate<java.lang.String,java.lang.String> stringRedisTemplate,
                                   de.otto.synapse.translator.Encoder<java.lang.String> messageEncoder,
                                   de.otto.synapse.translator.Decoder<java.lang.String> messageDecoder)

Parameters:

name - the name of the message store

batchSize - the size of the batches used to fetch messages from Redis

ringBufferSize - the maximum number of messages stored in the ring-buffer

stringRedisTemplate - the RedisTemplate used to access Redis

messageEncoder - the encoder used to encode messages into the string-representation stored in Redis

messageDecoder - the decoder used to decode messages from the string-representation stored in Redis

Method Detail

add

public void add(de.otto.synapse.messagestore.MessageStoreEntry entry)

Specified by:

add in interface de.otto.synapse.messagestore.MessageStore

getChannelNames

public java.util.Set<java.lang.String> getChannelNames()

Specified by:

getChannelNames in interface de.otto.synapse.messagestore.MessageStore

getIndexes

public com.google.common.collect.ImmutableSet<de.otto.synapse.messagestore.Index> getIndexes()

Specified by:

getIndexes in interface de.otto.synapse.messagestore.MessageStore

getLatestChannelPosition

public de.otto.synapse.channel.ChannelPosition getLatestChannelPosition(java.lang.String channelName)

Specified by:

getLatestChannelPosition in interface de.otto.synapse.messagestore.MessageStore

stream

public java.util.stream.Stream<de.otto.synapse.messagestore.MessageStoreEntry> stream()

Specified by:

stream in interface de.otto.synapse.messagestore.MessageStore

stream

public java.util.stream.Stream<de.otto.synapse.messagestore.MessageStoreEntry> stream(de.otto.synapse.messagestore.Index index,
                                                                                      java.lang.String value)

Deprecated. Unsupported operation.

Guaranteed to throw an exception and leave the message store unmodified.

Specified by:

stream in interface de.otto.synapse.messagestore.MessageStore

Throws:

java.lang.UnsupportedOperationException - always

size

public long size()

Specified by:

size in interface de.otto.synapse.messagestore.MessageStore

close

public void close()

Specified by:

close in interface de.otto.synapse.messagestore.MessageStore

Specified by:

close in interface java.lang.AutoCloseable

clear

public void clear()