15.2.2.2. Override the Creation of the Embedded Cache Manager

Prerequisites

Section 15.2.2.1, “Specify the Default Configuration”

Creating Non Clustered Caches

After a producer method is annotated, this method will be called when creating an EmbeddedCacheManager, as follows:

public class Config {
    
    @Produces
    @ApplicationScoped
    public EmbeddedCacheManager defaultEmbeddedCacheManager() {
        Configuration cfg = new ConfigurationBuilder()
                                    .eviction()
                                            .strategy(EvictionStrategy.LRU)
                                            .maxEntries(150)
                                    .build();
        return new DefaultCacheManager(cfg);
    }
}

public class Config {
    
    @Produces
    @ApplicationScoped
    public EmbeddedCacheManager defaultEmbeddedCacheManager() {
        Configuration cfg = new ConfigurationBuilder()
                                    .eviction()
                                            .strategy(EvictionStrategy.LRU)
                                            .maxEntries(150)
                                    .build();
        return new DefaultCacheManager(cfg);
    }
}

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The @ApplicationScoped annotation specifies that the method is only called once.

Creating Clustered Caches

The following configuration can be used to create an EmbeddedCacheManager that can create clustered caches.

public class Config {

	@Produces
	@ApplicationScoped
	public EmbeddedCacheManager defaultClusteredCacheManager() {
		GlobalConfiguration g = new GlobalConfigurationBuilder()
				.clusteredDefault()
				.transport()
				.clusterName("InfinispanCluster")
				.build();
		Configuration cfg = new ConfigurationBuilder()
				.eviction()
				.strategy(EvictionStrategy.LRU)
				.maxEntries(150)
				.build();
		return new DefaultCacheManager(g, cfg);
	}
}

public class Config {

	@Produces
	@ApplicationScoped
	public EmbeddedCacheManager defaultClusteredCacheManager() {
		GlobalConfiguration g = new GlobalConfigurationBuilder()
				.clusteredDefault()
				.transport()
				.clusterName("InfinispanCluster")
				.build();
		Configuration cfg = new ConfigurationBuilder()
				.eviction()
				.strategy(EvictionStrategy.LRU)
				.maxEntries(150)
				.build();
		return new DefaultCacheManager(g, cfg);
	}
}

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Invoke the Method to Generate an EmbeddedCacheManager

The method annotated with @Produces in the non clustered method generates Configuration objects. The methods in the clustered cache example annonated with @Produces generate EmbeddedCacheManager objects.

Add an injection as follows in your CDI Bean to invoke the appropriate annotated method. This generates EmbeddedCacheManager and injects it into the code at runtime.

...
@Inject
EmbeddedCacheManager cacheManager;
...

...
@Inject
EmbeddedCacheManager cacheManager;
...

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15.2.2.2. Override the Creation of the Embedded Cache Manager

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