/*
* Copyright 2010-2013 Ning, Inc.
*
* Ning licenses this file to you 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.killbill.billing.util.dao;
import java.util.UUID;
import javax.annotation.Nullable;
import javax.inject.Inject;
import org.killbill.billing.ObjectType;
import org.killbill.billing.util.cache.CacheController;
import org.killbill.billing.util.cache.CacheControllerDispatcher;
import org.killbill.billing.util.cache.CacheLoaderArgument;
import org.killbill.billing.util.callcontext.InternalCallContextFactory;
import org.killbill.commons.profiling.Profiling;
import org.killbill.commons.profiling.Profiling.WithProfilingCallback;
import org.killbill.commons.profiling.ProfilingFeature.ProfilingFeatureType;
import org.skife.jdbi.v2.Handle;
import org.skife.jdbi.v2.IDBI;
import org.skife.jdbi.v2.sqlobject.SqlObjectBuilder;
import com.google.common.base.Preconditions;
public class DefaultNonEntityDao implements NonEntityDao {
private final NonEntitySqlDao nonEntitySqlDao;
private final WithCaching<UUID, Long> withCachingObjectId;
private final WithCaching<Long, UUID> withCachingRecordId;
@Inject
public DefaultNonEntityDao(final IDBI dbi) {
this.nonEntitySqlDao = dbi.onDemand(NonEntitySqlDao.class);
this.withCachingObjectId = new WithCaching<UUID, Long>();
this.withCachingRecordId = new WithCaching<Long, UUID>();
}
@Override
public Long retrieveRecordIdFromObject(@Nullable final UUID objectId, final ObjectType objectType, @Nullable final CacheController<Object, Object> cache) {
return retrieveRecordIdFromObjectInTransaction(objectId, objectType, cache, null);
}
public Long retrieveRecordIdFromObjectInTransaction(@Nullable final UUID objectId, final ObjectType objectType, @Nullable final CacheController<Object, Object> cache, @Nullable final Handle handle) {
if (objectId == null) {
return null;
}
final TableName tableName = TableName.fromObjectType(objectType);
Preconditions.checkNotNull(tableName, "%s is not a valid ObjectType", objectType);
return withCachingObjectId.withCaching(new OperationRetrieval<UUID, Long>() {
@Override
public Long doRetrieve(final UUID objectOrRecordId, final ObjectType objectType) {
final NonEntitySqlDao inTransactionNonEntitySqlDao = handle == null ? nonEntitySqlDao : SqlObjectBuilder.attach(handle, NonEntitySqlDao.class);
return inTransactionNonEntitySqlDao.getRecordIdFromObject(objectId.toString(), tableName.getTableName());
}
}, objectId, objectType, tableName, cache);
}
@Override
public Long retrieveAccountRecordIdFromObject(@Nullable final UUID objectId, final ObjectType objectType, @Nullable final CacheController<Object, Object> cache) {
return retrieveAccountRecordIdFromObjectInTransaction(objectId, objectType, cache, null);
}
@Override
public Long retrieveAccountRecordIdFromObjectInTransaction(@Nullable final UUID objectId, final ObjectType objectType, @Nullable final CacheController<Object, Object> cache, @Nullable final Handle handle) {
final TableName tableName = TableName.fromObjectType(objectType);
Preconditions.checkNotNull(tableName, "%s is not a valid ObjectType", objectType);
return withCachingObjectId.withCaching(new OperationRetrieval<UUID, Long>() {
@Override
public Long doRetrieve(final UUID objectId, final ObjectType objectType) {
final NonEntitySqlDao inTransactionNonEntitySqlDao = handle == null ? nonEntitySqlDao : SqlObjectBuilder.attach(handle, NonEntitySqlDao.class);
switch (tableName) {
case TENANT:
case TAG_DEFINITIONS:
case TAG_DEFINITION_HISTORY:
return null;
case ACCOUNT:
return inTransactionNonEntitySqlDao.getAccountRecordIdFromAccount(objectId.toString());
default:
return inTransactionNonEntitySqlDao.getAccountRecordIdFromObjectOtherThanAccount(objectId.toString(), tableName.getTableName());
}
}
}, objectId, objectType, tableName, cache);
}
@Override
public Long retrieveTenantRecordIdFromObject(@Nullable final UUID objectId, final ObjectType objectType, @Nullable final CacheController<Object, Object> cache) {
return retrieveTenantRecordIdFromObjectInTransaction(objectId, objectType, cache, null);
}
@Override
public Long retrieveTenantRecordIdFromObjectInTransaction(@Nullable final UUID objectId, final ObjectType objectType, @Nullable final CacheController<Object, Object> cache, @Nullable final Handle handle) {
final TableName tableName = TableName.fromObjectType(objectType);
Preconditions.checkNotNull(tableName, "%s is not a valid ObjectType", objectType);
return withCachingObjectId.withCaching(new OperationRetrieval<UUID, Long>() {
@Override
public Long doRetrieve(final UUID objectId, final ObjectType objectType) {
final NonEntitySqlDao inTransactionNonEntitySqlDao = handle == null ? nonEntitySqlDao : SqlObjectBuilder.attach(handle, NonEntitySqlDao.class);
switch (tableName) {
case TENANT:
// Explicit cast to Long to avoid NPE (unboxing to long)
return objectId == null ? (Long) 0L : inTransactionNonEntitySqlDao.getTenantRecordIdFromTenant(objectId.toString());
default:
return inTransactionNonEntitySqlDao.getTenantRecordIdFromObjectOtherThanTenant(objectId.toString(), tableName.getTableName());
}
}
}, objectId, objectType, tableName, cache);
}
@Override
public UUID retrieveIdFromObject(final Long recordId, final ObjectType objectType, @Nullable final CacheController<Object, Object> cache) {
return retrieveIdFromObjectInTransaction(recordId, objectType, cache, null);
}
@Override
public UUID retrieveIdFromObjectInTransaction(final Long recordId, final ObjectType objectType, @Nullable final CacheController<Object, Object> cache, @Nullable final Handle handle) {
if (objectType == ObjectType.TENANT && recordId == InternalCallContextFactory.INTERNAL_TENANT_RECORD_ID) {
return null;
}
final TableName tableName = TableName.fromObjectType(objectType);
Preconditions.checkNotNull(tableName, "%s is not a valid ObjectType", objectType);
return withCachingRecordId.withCaching(new OperationRetrieval<Long, UUID>() {
@Override
public UUID doRetrieve(final Long objectOrRecordId, final ObjectType objectType) {
final NonEntitySqlDao inTransactionNonEntitySqlDao = handle == null ? nonEntitySqlDao : SqlObjectBuilder.attach(handle, NonEntitySqlDao.class);
return inTransactionNonEntitySqlDao.getIdFromObject(recordId, tableName.getTableName());
}
}, recordId, objectType, tableName, cache);
}
@Override
public Long retrieveLastHistoryRecordIdFromTransaction(@Nullable final Long targetRecordId, final TableName tableName, final NonEntitySqlDao transactional) {
// There is no caching here because the value returned changes as we add more history records, and so we would need some cache invalidation
return transactional.getLastHistoryRecordId(targetRecordId, tableName.getTableName());
}
@Override
public Long retrieveHistoryTargetRecordId(@Nullable final Long recordId, final TableName tableName) {
return nonEntitySqlDao.getHistoryTargetRecordId(recordId, tableName.getTableName());
}
private interface OperationRetrieval<TypeIn, TypeOut> {
public TypeOut doRetrieve(final TypeIn objectOrRecordId, final ObjectType objectType);
}
// 'cache' will be null for the CacheLoader classes -- or if cache is not configured.
private class WithCaching<TypeIn, TypeOut> {
private TypeOut withCaching(final OperationRetrieval<TypeIn, TypeOut> op, @Nullable final TypeIn objectOrRecordId, final ObjectType objectType, final TableName tableName, @Nullable final CacheController<Object, Object> cache) {
final Profiling<TypeOut> prof = new Profiling<TypeOut>();
if (objectOrRecordId == null) {
return null;
}
if (cache != null) {
final String key = (cache.getCacheType().isKeyPrefixedWithTableName()) ?
tableName + CacheControllerDispatcher.CACHE_KEY_SEPARATOR + objectOrRecordId.toString() :
objectOrRecordId.toString();
return (TypeOut) cache.get(key, new CacheLoaderArgument(objectType));
}
final TypeOut result;
try {
result = prof.executeWithProfiling(ProfilingFeatureType.DAO_DETAILS, "NonEntityDao (type = " + objectType + ") cache miss", new WithProfilingCallback<TypeOut>() {
@Override
public <ExceptionType extends Throwable> TypeOut execute() throws ExceptionType {
return op.doRetrieve(objectOrRecordId, objectType);
}
});
return result;
} catch (final Throwable throwable) {
// This is only because WithProfilingCallback throws a Throwable...
throw new RuntimeException(throwable);
}
}
}
}