org.apache.wayang.flink.plugin.FlinkConversionPlugin Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of wayang-flink_2.12 Show documentation
The newest version!
/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF 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.apache.wayang.flink.plugin;

import org.apache.wayang.core.api.Configuration;
import org.apache.wayang.core.mapping.Mapping;
import org.apache.wayang.core.optimizer.channels.ChannelConversion;
import org.apache.wayang.core.platform.Platform;
import org.apache.wayang.core.plugin.Plugin;
import org.apache.wayang.flink.channels.ChannelConversions;
import org.apache.wayang.flink.platform.FlinkPlatform;
import org.apache.wayang.java.platform.JavaPlatform;

import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;

/**
 * This {@link Plugin} provides {@link ChannelConversion}s from the  {@link FlinkPlatform}.
 */
public class FlinkConversionPlugin implements Plugin {
    @Override
    public Collection getMappings() {
        return Collections.emptyList();
    }

    @Override
    public Collection getChannelConversions() {
        return ChannelConversions.ALL;
    }

    @Override
    public Collection getRequiredPlatforms() {
        return Arrays.asList(FlinkPlatform.getInstance(), JavaPlatform.getInstance());
    }

    @Override
    public void setProperties(Configuration configuration) {
        // Nothing to do, because we already configured the properties in #configureDefaults(...).
    }
}