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Chapter 163. Infinispan Component

Available as of Camel version 2.13

This component allows you to interact with Infinispan distributed data grid / cache. Infinispan is an extremely scalable, highly available key/value data store and data grid platform written in Java.

From Camel 2.17 onwards Infinispan requires Java 8.

Maven users will need to add the following dependency to their pom.xml for this component: 

<dependency>
    <groupId>org.apache.camel</groupId>
    <artifactId>camel-infinispan</artifactId>
    <version>x.x.x</version>
    <!-- use the same version as your Camel core version -->
</dependency>

163.1. URI format

infinispan://cacheName?[options]

163.2. URI Options

The producer allows sending messages to a local infinispan cache configured in the registry, or to a remote cache using the HotRod protocol. The consumer allows listening for events from local infinispan cache accessible from the registry.

The Infinispan component supports 3 options, which are listed below.

NameDescriptionDefaultType

configuration (common)

The default configuration shared among endpoints.

 

InfinispanConfiguration

cacheContainer (common)

The default cache container.

 

BasicCacheContainer

resolveProperty Placeholders (advanced)

Whether the component should resolve property placeholders on itself when starting. Only properties which are of String type can use property placeholders.

true

boolean

The Infinispan endpoint is configured using URI syntax: 

infinispan:cacheName

with the following path and query parameters:

163.2.1. Path Parameters (1 parameters):

NameDescriptionDefaultType

cacheName

Required The cache to use

 

String

163.2.2. Query Parameters (18 parameters):

NameDescriptionDefaultType

hosts (common)

Specifies the host of the cache on Infinispan instance

 

String

queryBuilder (common)

Specifies the query builder.

 

InfinispanQueryBuilder

bridgeErrorHandler (consumer)

Allows for bridging the consumer to the Camel routing Error Handler, which mean any exceptions occurred while the consumer is trying to pickup incoming messages, or the likes, will now be processed as a message and handled by the routing Error Handler. By default the consumer will use the org.apache.camel.spi.ExceptionHandler to deal with exceptions, that will be logged at WARN or ERROR level and ignored.

false

boolean

clusteredListener (consumer)

If true, the listener will be installed for the entire cluster

false

boolean

command (consumer)

Deprecated The operation to perform.

PUT

String

customListener (consumer)

Returns the custom listener in use, if provided

 

InfinispanCustom Listener

eventTypes (consumer)

Specifies the set of event types to register by the consumer. Multiple event can be separated by comma. The possible event types are: CACHE_ENTRY_ACTIVATED, CACHE_ENTRY_PASSIVATED, CACHE_ENTRY_VISITED, CACHE_ENTRY_LOADED, CACHE_ENTRY_EVICTED, CACHE_ENTRY_CREATED, CACHE_ENTRY_REMOVED, CACHE_ENTRY_MODIFIED, TRANSACTION_COMPLETED, TRANSACTION_REGISTERED, CACHE_ENTRY_INVALIDATED, DATA_REHASHED, TOPOLOGY_CHANGED, PARTITION_STATUS_CHANGED

 

String

sync (consumer)

If true, the consumer will receive notifications synchronously

true

boolean

exceptionHandler (consumer)

To let the consumer use a custom ExceptionHandler. Notice if the option bridgeErrorHandler is enabled then this option is not in use. By default the consumer will deal with exceptions, that will be logged at WARN or ERROR level and ignored.

 

ExceptionHandler

exchangePattern (consumer)

Sets the exchange pattern when the consumer creates an exchange.

 

ExchangePattern

operation (producer)

The operation to perform.

PUT

InfinispanOperation

cacheContainer (advanced)

Specifies the cache Container to connect

 

BasicCacheContainer

cacheContainerConfiguration (advanced)

The CacheContainer configuration. Uses if the cacheContainer is not defined. Must be the following types: org.infinispan.client.hotrod.configuration.Configuration - for remote cache interaction configuration; org.infinispan.configuration.cache.Configuration - for embedded cache interaction configuration;

 

Object

configurationProperties (advanced)

Implementation specific properties for the CacheManager

 

Map

configurationUri (advanced)

An implementation specific URI for the CacheManager

 

String

flags (advanced)

A comma separated list of Flag to be applied by default on each cache invocation, not applicable to remote caches.

 

String

resultHeader (advanced)

Store the operation result in a header instead of the message body. By default, resultHeader == null and the query result is stored in the message body, any existing content in the message body is discarded. If resultHeader is set, the value is used as the name of the header to store the query result and the original message body is preserved. This value can be overridden by an in message header named: CamelInfinispanOperationResultHeader

 

Object

synchronous (advanced)

Sets whether synchronous processing should be strictly used, or Camel is allowed to use asynchronous processing (if supported).

false

boolean

163.3. Spring Boot Auto-Configuration

The component supports 21 options, which are listed below.

NameDescriptionDefaultType

camel.component.infinispan.cache-container

The default cache container. The option is a org.infinispan.commons.api.BasicCacheContainer type.

 

String

camel.component.infinispan.configuration.cache-container

Specifies the cache Container to connect

 

BasicCacheContainer

camel.component.infinispan.configuration.cache-container-configuration

The CacheContainer configuration. Uses if the cacheContainer is not defined. Must be the following types: org.infinispan.client.hotrod.configuration.Configuration - for remote cache interaction configuration; org.infinispan.configuration.cache.Configuration - for embedded cache interaction configuration;

 

Object

camel.component.infinispan.configuration.clustered-listener

If true, the listener will be installed for the entire cluster

false

Boolean

camel.component.infinispan.configuration.configuration-properties

Implementation specific properties for the CacheManager

 

Map

camel.component.infinispan.configuration.configuration-uri

An implementation specific URI for the CacheManager

 

String

camel.component.infinispan.configuration.custom-listener

Returns the custom listener in use, if provided

 

InfinispanCustom Listener

camel.component.infinispan.configuration.event-types

Specifies the set of event types to register by the consumer. Multiple event can be separated by comma. The possible event types are: CACHE_ENTRY_ACTIVATED, CACHE_ENTRY_PASSIVATED, CACHE_ENTRY_VISITED, CACHE_ENTRY_LOADED, CACHE_ENTRY_EVICTED, CACHE_ENTRY_CREATED, CACHE_ENTRY_REMOVED, CACHE_ENTRY_MODIFIED, TRANSACTION_COMPLETED, TRANSACTION_REGISTERED, CACHE_ENTRY_INVALIDATED, DATA_REHASHED, TOPOLOGY_CHANGED, PARTITION_STATUS_CHANGED

 

Set

camel.component.infinispan.configuration.flags

A comma separated list of Flag to be applied by default on each cache invocation, not applicable to remote caches.

 

Flag[]

camel.component.infinispan.configuration.hosts

Specifies the host of the cache on Infinispan instance

 

String

camel.component.infinispan.configuration.operation

The operation to perform.

 

InfinispanOperation

camel.component.infinispan.configuration.query-builder

Specifies the query builder.

 

InfinispanQueryBuilder

camel.component.infinispan.configuration.result-header

Store the operation result in a header instead of the message body. By default, resultHeader == null and the query result is stored in the message body, any existing content in the message body is discarded. If resultHeader is set, the value is used as the name of the header to store the query result and the original message body is preserved. This value can be overridden by an in message header named: CamelInfinispanOperationResultHeader

 

Object

camel.component.infinispan.configuration.sync

If true, the consumer will receive notifications synchronously

true

Boolean

camel.component.infinispan.customizer.embedded-cache-manager.enabled

Enable or disable the cache-manager customizer.

true

Boolean

camel.component.infinispan.customizer.embedded-cache-manager.override

Configure if the cache manager eventually set on the component should be overridden by the customizer.

false

Boolean

camel.component.infinispan.customizer.remote-cache-manager.enabled

Enable or disable the cache-manager customizer.

true

Boolean

camel.component.infinispan.customizer.remote-cache-manager.override

Configure if the cache manager eventually set on the component should be overridden by the customizer.

false

Boolean

camel.component.infinispan.enabled

Enable infinispan component

true

Boolean

camel.component.infinispan.resolve-property-placeholders

Whether the component should resolve property placeholders on itself when starting. Only properties which are of String type can use property placeholders.

true

Boolean

camel.component.infinispan.configuration.command

The operation to perform.

PUT

String

163.4. Message Headers

NameDefault ValueTypeContextDescription

CamelInfinispanCacheName

null

String

Shared

The cache participating in the operation or event.

CamelInfinispanOperation

PUT

InfinispanOperation

Producer

The operation to perform.

CamelInfinispanMap

null

Map

Producer

A Map to use in case of CamelInfinispanOperationPutAll operation

CamelInfinispanKey

null

Object

Shared

The key to perform the operation to or the key generating the event.

CamelInfinispanValue

null

Object

Producer

The value to use for the operation.

CamelInfinispanEventType

null

String

Consumer

The type of the received event. Possible values defined here org.infinispan.notifications.cachelistener.event.Event.Type

CamelInfinispanIsPre

null

Boolean

Consumer

Infinispan fires two events for each operation: one before and one after the operation.

CamelInfinispanLifespanTime

null

long

Producer

The Lifespan time of a value inside the cache. Negative values are interpreted as infinity.

CamelInfinispanTimeUnit

null

String

Producer

The Time Unit of an entry Lifespan Time.

CamelInfinispanMaxIdleTime

null

long

Producer

The maximum amount of time an entry is allowed to be idle for before it is considered as expired.

CamelInfinispanMaxIdleTimeUnit

null

String

Producer

The Time Unit of an entry Max Idle Time.

CamelInfinispanQueryBuilder

null

InfinispanQueryBuilder

Producer

From Camel 2.17: The QueryBuilde to use for QUERY command, if not present the command defaults to InifinispanConfiguration’s one

CamelInfinispanIgnoreReturnValues

null

Boolean

Producer

From Camel 2.17: If this header is set, the return value for cache operation returning something is ignored by the client application

CamelInfinispanOperationResultHeader

null

String

Producer

From Camel 2.20: Store the operation result in a header instead of the message body

163.5. Examples

  • Retrieve a specific key from the default cache using a custom cache container: 

    from("direct:start")
    .setHeader(InfinispanConstants.OPERATION).constant(InfinispanOperation.GET)
    .setHeader(InfinispanConstants.KEY).constant("123")
    .to("infinispan?cacheContainer=#cacheContainer");

  • Retrieve a specific key from a named cache: 

    from("direct:start")
    .setHeader(InfinispanConstants.OPERATION).constant(InfinispanOperation.PUT)
    .setHeader(InfinispanConstants.KEY).constant("123")
    .to("infinispan:myCacheName");

  • Put a value with lifespan 

    from("direct:start")
    .setHeader(InfinispanConstants.OPERATION).constant(InfinispanOperation.GET)
    .setHeader(InfinispanConstants.KEY).constant("123")
    .setHeader(InfinispanConstants.LIFESPAN_TIME).constant(100L)
    .setHeader(InfinispanConstants.LIFESPAN_TIME_UNIT.constant(TimeUnit.MILLISECONDS.toString())
    .to("infinispan:myCacheName");

  • Retrieve a specific key from the remote cache using a cache container configuration with additional parameters (host, port and protocol version): 

    org.infinispan.client.hotrod.configuration.Configuration cacheContainerConfiguration = new org.infinispan.client.hotrod.configuration.ConfigurationBuilder()
    .addServer()
        .host("localhost")
        .port(9999)
        .version(org.infinispan.client.hotrod.ProtocolVersion.PROTOCOL_VERSION_25)
    .build();
...

from("direct:start")
    .setHeader(InfinispanConstants.OPERATION).constant(InfinispanOperation.GET)
    .setHeader(InfinispanConstants.KEY).constant("123")
    .to("infinispan?cacheContainerConfiguration=#cacheContainerConfiguration");

163.6. Using the Infinispan based idempotent repository

In this section we will use the Infinispan based idempotent repository.

First, we need to create a cacheManager and then configure our 

org.apache.camel.component.infinispan.processor.idempotent.InfinispanIdempotentRepository:
<!-- set up the cache manager -->
<bean id="cacheManager"
      class="org.infinispan.manager.DefaultCacheManager"
      init-method="start"
      destroy-method="stop"/>

<!-- set up the repository -->
<bean id="infinispanRepo"
      class="org.apache.camel.component.infinispan.processor.idempotent.InfinispanIdempotentRepository"
      factory-method="infinispanIdempotentRepository">
    <argument ref="cacheManager"/>
    <argument value="idempotent"/>
</bean>

Then we can create our Infinispan idempotent repository in the spring XML file as well: 

<camelContext xmlns="http://camel.apache.org/schema/spring">
    <route id="JpaMessageIdRepositoryTest">
        <from uri="direct:start" />
        <idempotentConsumer messageIdRepositoryRef="infinispanStore">
            <header>messageId</header>
            <to uri="mock:result" />
        </idempotentConsumer>
    </route>
</camelContext>

163.7. Using the Infinispan based route policy

163.8. See Also

  • Configuring Camel
  • Component
  • Endpoint
  • Getting Started
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