/*
* 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.facebook.presto.plugin.memory;
import com.facebook.presto.spi.connector.Connector;
import com.facebook.presto.spi.connector.ConnectorMetadata;
import com.facebook.presto.spi.connector.ConnectorPageSinkProvider;
import com.facebook.presto.spi.connector.ConnectorPageSourceProvider;
import com.facebook.presto.spi.connector.ConnectorSplitManager;
import com.facebook.presto.spi.connector.ConnectorTransactionHandle;
import com.facebook.presto.spi.transaction.IsolationLevel;
import javax.inject.Inject;
public class MemoryConnector
implements Connector
{
private final MemoryMetadata metadata;
private final MemorySplitManager splitManager;
private final MemoryPageSourceProvider pageSourceProvider;
private final MemoryPageSinkProvider pageSinkProvider;
@Inject
public MemoryConnector(
MemoryMetadata metadata,
MemorySplitManager splitManager,
MemoryPageSourceProvider pageSourceProvider,
MemoryPageSinkProvider pageSinkProvider)
{
this.metadata = metadata;
this.splitManager = splitManager;
this.pageSourceProvider = pageSourceProvider;
this.pageSinkProvider = pageSinkProvider;
}
@Override
public ConnectorTransactionHandle beginTransaction(IsolationLevel isolationLevel, boolean readOnly)
{
return MemoryTransactionHandle.INSTANCE;
}
@Override
public ConnectorMetadata getMetadata(ConnectorTransactionHandle transactionHandle)
{
return metadata;
}
@Override
public ConnectorSplitManager getSplitManager()
{
return splitManager;
}
@Override
public ConnectorPageSourceProvider getPageSourceProvider()
{
return pageSourceProvider;
}
@Override
public ConnectorPageSinkProvider getPageSinkProvider()
{
return pageSinkProvider;
}
}