OSGI-INF.blueprint.servicemix-drools.xml Maven / Gradle / Ivy

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The ServiceMix Drools component provides JBI integration to the Drools Rules Engine. It can be used to deploy a rules set that will implement a router or an actual service. A router will mostly act as a transparent proxy between the consumer and the target service provider mad will mostly be implemented by the jbi.route(uri) method below. This method creates a new exchange identical to the one received by the component and will send it to the specified destination. You can also send back a Fault if needed. A router can also be implemented by using directly the JBI Apis (available with the jbi helper) by using the provided client.

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<?xml version="1.0" encoding="UTF-8"?>
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    Licensed to the Apache Software Foundation (ASF) under one or more
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    this work for additional information regarding copyright ownership.
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       http://www.apache.org/licenses/LICENSE-2.0

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<blueprint xmlns="http://www.osgi.org/xmlns/blueprint/v1.0.0"
           xmlns:cm="http://aries.apache.org/blueprint/xmlns/blueprint-cm/v1.0.0"
           xmlns:ext="http://aries.apache.org/blueprint/xmlns/blueprint-ext/v1.0.0">

    <!-- Retrieve ManagementStrategy from OSGi service registry -->
    <reference id="managementStrategy" interface="org.fusesource.commons.management.ManagementStrategy"/>
    
    <bean id="servicemix-drools" class="org.apache.servicemix.drools.DroolsComponent">
        <property name="executorFactory" ref="executorFactory" />
    </bean>

    <bean id="executorFactory" class="org.apache.servicemix.executors.impl.ExecutorFactoryImpl">
        <property name="defaultConfig">
            <bean class="org.apache.servicemix.executors.impl.ExecutorConfig">
                <property name="corePoolSize" value="${threadPoolCorePoolSize}"/>
                <property name="maximumPoolSize" value="${threadPoolMaximumPoolSize}"/>
                <property name="queueSize" value="${threadPoolQueueSize}"/>
            </bean>
        </property>
        <property name="managementStrategy" ref="managementStrategy"/>
    </bean>

    <bean id="endpoint-tracker" class="org.apache.servicemix.common.osgi.EndpointTracker">
        <property name="component" ref="servicemix-drools" />
    </bean>

    <reference-list id="endpoints"
               interface="org.apache.servicemix.common.osgi.EndpointWrapper"
               availability="optional">
        <reference-listener ref="endpoint-tracker" bind-method="register" unbind-method="unregister" />
    </reference-list>

    <service ref="servicemix-drools" interface="javax.jbi.component.Component">
        <service-properties>
            <entry key="NAME" value="servicemix-drools" />
            <entry key="TYPE" value="service-engine" />
        </service-properties>
    </service>

    <service interface="org.apache.aries.blueprint.NamespaceHandler">
        <service-properties>
            <entry key="osgi.service.blueprint.namespace" value="http://servicemix.apache.org/drools/1.0"/>
        </service-properties>
        <bean class="org.apache.xbean.blueprint.context.impl.XBeanNamespaceHandler">
            <argument value="http://servicemix.apache.org/drools/1.0"/>
            <argument value="servicemix-drools.xsd"/>
            <argument ref="blueprintBundle"/>
            <argument value="META-INF/services/org/apache/xbean/spring/http/servicemix.apache.org/drools/1.0"/>
        </bean>
    </service>

    <cm:property-placeholder persistent-id="org.apache.servicemix.components.drools">
        <cm:default-properties>
            <cm:property name="threadPoolCorePoolSize" value="8"/>
            <cm:property name="threadPoolMaximumPoolSize" value="32"/>
            <cm:property name="threadPoolQueueSize" value="256"/>
	    </cm:default-properties>
    </cm:property-placeholder>
    
</blueprint>