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Presto - Example HTTP Connector

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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.example;

import com.facebook.presto.spi.Plugin;
import com.facebook.presto.spi.connector.ConnectorFactory;
import com.facebook.presto.spi.connector.ConnectorFactoryContext;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableMap;

import java.util.Map;

import static java.util.Objects.requireNonNull;

public class ExamplePlugin
        implements Plugin
{
    private Map optionalConfig = ImmutableMap.of();

    @Override
    public void setOptionalConfig(Map optionalConfig)
    {
        this.optionalConfig = ImmutableMap.copyOf(requireNonNull(optionalConfig, "optionalConfig is null"));
    }

    @Override
    public Iterable getConnectorFactories(ConnectorFactoryContext context)
    {
        return ImmutableList.of(new ExampleConnectorFactory(context.getTypeManager(), optionalConfig));
    }
}