org.glassfish.ha.store.adapter.file.FileBackingStoreFactory Maven / Gradle / Ivy

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package org.glassfish.ha.store.adapter.file;

import org.glassfish.ha.store.api.*;
import org.jvnet.hk2.annotations.Service;

import java.io.Serializable;
import java.util.concurrent.ConcurrentHashMap;

/**
 * @author Mahesh Kannan
 */
@Service(name = "file")
public class FileBackingStoreFactory
        implements BackingStoreFactory {

    private static ThreadLocal _current = new ThreadLocal();

    private static ConcurrentHashMap _stores
            = new ConcurrentHashMap();


    static FileBackingStore getFileBackingStore(String storeName) {
        return _stores.get(storeName);
    }

    static void removemapping(String storeName) {
        _stores.remove(storeName);
    }

    @Override
    public  BackingStore createBackingStore(
            BackingStoreConfiguration conf)
                throws BackingStoreException {
        FileBackingStore fs = new FileBackingStore();
        fs.initialize(conf);
        fs.setFileBackingStoreFactory(this);
        _stores.put(conf.getStoreName(), fs);
        return fs;
    }

    @Override
    public BackingStoreTransaction createBackingStoreTransaction() {
        FileStoreTransaction tx = new FileStoreTransaction();
        _current.set(tx);
        return tx;
    }

    //package
    static final FileStoreTransaction getCurrent() {
        return _current.get();
    }
}