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Blob modules on memory storage

There is a newer version: 3.8.1

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package org.apache.james.modules;

import org.apache.james.blob.api.BlobId;
import org.apache.james.blob.api.BlobStore;
import org.apache.james.blob.api.BlobStoreDAO;
import org.apache.james.blob.api.BucketName;
import org.apache.james.blob.api.HashBlobId;
import org.apache.james.blob.memory.MemoryBlobStoreDAO;
import org.apache.james.server.blob.deduplication.DeDuplicationBlobStore;

import com.google.inject.AbstractModule;
import com.google.inject.Scopes;
import com.google.inject.name.Names;

public class BlobMemoryModule extends AbstractModule {

    @Override
    protected void configure() {
        bind(HashBlobId.Factory.class).in(Scopes.SINGLETON);
        bind(BlobId.Factory.class).to(HashBlobId.Factory.class);

        bind(DeDuplicationBlobStore.class).in(Scopes.SINGLETON);
        bind(BlobStore.class).to(DeDuplicationBlobStore.class);

        bind(MemoryBlobStoreDAO.class).in(Scopes.SINGLETON);
        bind(BlobStoreDAO.class).to(MemoryBlobStoreDAO.class);

        bind(BucketName.class)
            .annotatedWith(Names.named(BlobStore.DEFAULT_BUCKET_NAME_QUALIFIER))
            .toInstance(BucketName.DEFAULT);
    }
}