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/*
* Copyright 2006-2012 Amazon Technologies, Inc. or its affiliates.
* Amazon, Amazon.com and Carbonado are trademarks or registered trademarks
* of Amazon Technologies, Inc. or its affiliates. All rights reserved.
*
* 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 com.amazon.carbonado.repo.toy;
import java.util.HashMap;
import java.util.Map;
import com.amazon.carbonado.IsolationLevel;
import com.amazon.carbonado.Repository;
import com.amazon.carbonado.RepositoryException;
import com.amazon.carbonado.Storable;
import com.amazon.carbonado.Storage;
import com.amazon.carbonado.SupportException;
import com.amazon.carbonado.Transaction;
import com.amazon.carbonado.capability.Capability;
import com.amazon.carbonado.sequence.SequenceValueGenerator;
import com.amazon.carbonado.sequence.SequenceValueProducer;
/**
*
* @author Brian S O'Neill
*/
public class ToyRepository implements Repository {
private final String mName;
private final Map<Class, Storage> mStorages;
private final Map<String, SequenceValueProducer> mSequences;
public ToyRepository() {
this("toy");
}
public ToyRepository(String name) {
mName = name;
mStorages = new HashMap<Class, Storage>();
mSequences = new HashMap<String, SequenceValueProducer>();
}
public String getName() {
return mName;
}
public <S extends Storable> Storage<S> storageFor(Class<S> type)
throws SupportException, RepositoryException
{
synchronized (mStorages) {
Storage<S> storage = (Storage<S>) mStorages.get(type);
if (storage == null) {
storage = new ToyStorage<S>(this, type);
mStorages.put(type, storage);
}
return storage;
}
}
public Transaction enterTransaction() {
return new ToyTransaction();
}
public Transaction enterTransaction(IsolationLevel level) {
return enterTransaction();
}
public Transaction enterTopTransaction(IsolationLevel level) {
return enterTransaction(level);
}
public IsolationLevel getTransactionIsolationLevel() {
return null;
}
public <C extends Capability> C getCapability(Class<C> capabilityType) {
return null;
}
public void close() {
}
SequenceValueProducer getSequenceValueProducer(String name) throws RepositoryException {
synchronized (mSequences) {
SequenceValueProducer producer = mSequences.get(name);
if (producer == null) {
producer = new SequenceValueGenerator(this, name);
mSequences.put(name, producer);
}
return producer;
}
}
}
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