@Override
public <K, V> OffHeapStore<K, V> createStore(
Configuration<K, V> storeConfig, ServiceConfiguration<?>... serviceConfigs) {
TimeSourceConfiguration timeSourceConfig =
findSingletonAmongst(TimeSourceConfiguration.class, (Object[]) serviceConfigs);
TimeSource timeSource =
timeSourceConfig != null ? timeSourceConfig.getTimeSource() : SystemTimeSource.INSTANCE;
if (serviceProvider == null) {
throw new RuntimeException("ServiceProvider is null.");
}
SerializationProvider serializationProvider =
serviceProvider.findService(SerializationProvider.class);
Serializer<K> keySerializer =
serializationProvider.createKeySerializer(
storeConfig.getKeyType(), storeConfig.getClassLoader(), serviceConfigs);
Serializer<V> valueSerializer =
serializationProvider.createValueSerializer(
storeConfig.getValueType(), storeConfig.getClassLoader(), serviceConfigs);
ResourcePool offHeapPool =
storeConfig.getResourcePools().getPoolForResource(ResourceType.Core.OFFHEAP);
if (!(offHeapPool.getUnit() instanceof MemoryUnit)) {
throw new IllegalArgumentException("OffHeapStore only supports resources with memory unit");
}
MemoryUnit unit = (MemoryUnit) offHeapPool.getUnit();
OffHeapStore<K, V> offHeapStore =
new OffHeapStore<K, V>(
storeConfig,
keySerializer,
valueSerializer,
timeSource,
unit.toBytes(offHeapPool.getSize()));
createdStores.add(offHeapStore);
return offHeapStore;
}
