/**
* Copyright 2010 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.waveprotocol.box.server.persistence;
import com.google.inject.AbstractModule;
import com.google.inject.Inject;
import com.google.inject.Singleton;
import com.google.inject.name.Named;
import org.waveprotocol.box.server.CoreSettings;
import org.waveprotocol.box.server.persistence.file.FileAccountStore;
import org.waveprotocol.box.server.persistence.file.FileAttachmentStore;
import org.waveprotocol.box.server.persistence.file.FileDeltaStore;
import org.waveprotocol.box.server.persistence.file.FileSignerInfoStore;
import org.waveprotocol.box.server.persistence.memory.MemoryDeltaStore;
import org.waveprotocol.box.server.persistence.memory.MemoryStore;
import org.waveprotocol.box.server.persistence.mongodb.MongoDbProvider;
import org.waveprotocol.box.server.waveserver.DeltaStore;
import org.waveprotocol.wave.crypto.CertPathStore;
/**
* Module for setting up the different persistence stores.
*
*<p>
* The valid names for the cert store are 'memory', 'file' and 'mongodb'
*
*<p>
*The valid names for the attachment store are 'disk' and 'mongodb'
*
*<p>
*The valid names for the account store are 'memory', 'file' and 'mongodb'.
*
* @author ljvderijk@google.com (Lennard de Rijk)
*/
public class PersistenceModule extends AbstractModule {
private final String signerInfoStoreType;
private final String attachmentStoreType;
private final String accountStoreType;
private final String deltaStoreType;
private MongoDbProvider mongoDbProvider;
@Inject
public PersistenceModule(@Named(CoreSettings.SIGNER_INFO_STORE_TYPE) String signerInfoStoreType,
@Named(CoreSettings.ATTACHMENT_STORE_TYPE) String attachmentStoreType,
@Named(CoreSettings.ACCOUNT_STORE_TYPE) String accountStoreType,
@Named(CoreSettings.DELTA_STORE_TYPE) String deltaStoreType) {
this.signerInfoStoreType = signerInfoStoreType;
this.attachmentStoreType = attachmentStoreType;
this.accountStoreType = accountStoreType;
this.deltaStoreType = deltaStoreType;
}
/**
* Returns a {@link MongoDbProvider} instance.
*/
public MongoDbProvider getMongoDbProvider() {
if (mongoDbProvider == null) {
mongoDbProvider = new MongoDbProvider();
}
return mongoDbProvider;
}
@Override
protected void configure() {
bindCertPathStore();
bindAttachmentStore();
bindAccountStore();
bindDeltaStore();
}
/**
* Binds the CertPathStore implementation to the store specified in the
* properties.
*/
private void bindCertPathStore() {
if (signerInfoStoreType.equalsIgnoreCase("memory")) {
bind(CertPathStore.class).to(MemoryStore.class).in(Singleton.class);
} else if (signerInfoStoreType.equalsIgnoreCase("file")) {
bind(CertPathStore.class).to(FileSignerInfoStore.class).in(Singleton.class);
} else if (signerInfoStoreType.equalsIgnoreCase("mongodb")) {
MongoDbProvider mongoDbProvider = getMongoDbProvider();
bind(CertPathStore.class).toInstance(mongoDbProvider.provideMongoDbStore());
} else {
throw new RuntimeException(
"Invalid certificate path store type: '" + signerInfoStoreType + "'");
}
}
private void bindAttachmentStore() {
if (attachmentStoreType.equalsIgnoreCase("disk")) {
bind(AttachmentStore.class).to(FileAttachmentStore.class).in(Singleton.class);
} else if (attachmentStoreType.equalsIgnoreCase("mongodb")) {
MongoDbProvider mongoDbProvider = getMongoDbProvider();
bind(AttachmentStore.class).toInstance(mongoDbProvider.provideMongoDbStore());
} else {
throw new RuntimeException("Invalid attachment store type: '" + attachmentStoreType + "'");
}
}
private void bindAccountStore() {
if (accountStoreType.equalsIgnoreCase("memory")) {
bind(AccountStore.class).to(MemoryStore.class).in(Singleton.class);
} else if (accountStoreType.equalsIgnoreCase("file")) {
bind(AccountStore.class).to(FileAccountStore.class).in(Singleton.class);
} else if (accountStoreType.equalsIgnoreCase("fake")) {
bind(AccountStore.class).to(FakePermissiveAccountStore.class).in(Singleton.class);
} else if (accountStoreType.equalsIgnoreCase("mongodb")) {
MongoDbProvider mongoDbProvider = getMongoDbProvider();
bind(AccountStore.class).toInstance(mongoDbProvider.provideMongoDbStore());
} else {
throw new RuntimeException("Invalid account store type: '" + accountStoreType + "'");
}
}
private void bindDeltaStore() {
if (deltaStoreType.equalsIgnoreCase("memory")) {
bind(DeltaStore.class).to(MemoryDeltaStore.class).in(Singleton.class);
} else if (deltaStoreType.equalsIgnoreCase("file")) {
bind(DeltaStore.class).to(FileDeltaStore.class).in(Singleton.class);
} else {
throw new RuntimeException("Invalid delta store type: '" + deltaStoreType + "'");
}
}
}