com.facebook.presto.redis.RedisConnector Maven / Gradle / Ivy

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/*
 * 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.redis;

import com.facebook.presto.spi.Connector;
import com.facebook.presto.spi.ConnectorHandleResolver;
import com.facebook.presto.spi.ConnectorMetadata;
import com.facebook.presto.spi.ConnectorRecordSetProvider;
import com.facebook.presto.spi.ConnectorSplitManager;

import javax.inject.Inject;

import static java.util.Objects.requireNonNull;

/**
 * Redis specific implementation of the Presto Connector SPI. This is a read only connector.
 */
public class RedisConnector
        implements Connector
{
    private final RedisMetadata metadata;

    private final RedisSplitManager splitManager;
    private final RedisRecordSetProvider recordSetProvider;
    private final RedisHandleResolver handleResolver;

    @Inject
    public RedisConnector(
            RedisHandleResolver handleResolver,
            RedisMetadata metadata,
            RedisSplitManager splitManager,
            RedisRecordSetProvider recordSetProvider)
    {
        this.handleResolver = requireNonNull(handleResolver, "handleResolver is null");
        this.metadata = requireNonNull(metadata, "metadata is null");
        this.splitManager = requireNonNull(splitManager, "splitManager is null");
        this.recordSetProvider = requireNonNull(recordSetProvider, "recordSetProvider is null");
    }

    @Override
    public ConnectorHandleResolver getHandleResolver()
    {
        return handleResolver;
    }

    @Override
    public ConnectorMetadata getMetadata()
    {
        return metadata;
    }

    @Override
    public ConnectorSplitManager getSplitManager()
    {
        return splitManager;
    }

    @Override
    public ConnectorRecordSetProvider getRecordSetProvider()
    {
        return recordSetProvider;
    }
}