Package org.shoal.ha.store

Source Code of org.shoal.ha.store.ReplicatedBackingStoreFactory

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package org.shoal.ha.store;


import org.glassfish.ha.store.api.*;
import org.jvnet.hk2.annotations.Inject;
import org.jvnet.hk2.annotations.Service;
import org.jvnet.hk2.component.Habitat;
import org.shoal.adapter.store.ReplicatedBackingStore;
import org.shoal.adapter.store.StoreableReplicatedBackingStore;
import org.shoal.ha.mapper.KeyMapper;

import java.io.Serializable;
import java.util.Properties;

/**
* @author Mahesh Kannan
*/
@Service(name="shoal-backing-store-factory")
public class ReplicatedBackingStoreFactory
    implements BackingStoreFactory {

    public ReplicatedBackingStoreFactory()  {
    }

    public ReplicatedBackingStoreFactory(Properties p)  {
    }

    @Override
    public <K extends Serializable, V extends Serializable> BackingStore<K, V> createBackingStore(BackingStoreConfiguration<K, V> conf)
            throws BackingStoreException {

        KeyMapper keyMapper = new GlassFishKeyMapper(conf.getInstanceName(), conf.getClusterName());
        conf.getVendorSpecificSettings().put("key.mapper", keyMapper);
       
        Class<V> vClazz = conf.getValueClazz();
        if (Storeable.class.isAssignableFrom(vClazz)) {
            StoreableReplicatedBackingStore srbs = new StoreableReplicatedBackingStore();
            srbs.initialize(conf);
            return srbs;
        } else {
            ReplicatedBackingStore<K, V> bStore = new ReplicatedBackingStore<K, V>();
            bStore.initialize(conf);
            System.out.println("GlassFish2ShoalBackingStoreFactory:: CREATED an instance of: " + bStore.getClass().getName());
            return bStore;
        }
    }

    @Override
    public BackingStoreTransaction createBackingStoreTransaction() {
        return new BackingStoreTransaction() {
            @Override
            public void commit() throws BackingStoreException {
            }
        };
    }

}
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