com.fluxtion.compiler.builder.dataflow.MultiJoinBuilder Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of compiler Show documentation

There is a newer version: 9.3.47

package com.fluxtion.compiler.builder.dataflow;

import com.fluxtion.runtime.EventProcessorBuilderService;
import com.fluxtion.runtime.dataflow.groupby.MultiJoin;
import com.fluxtion.runtime.partition.LambdaReflection;

/**
 * Builds a co-group or multi leg join
 *
 * @param  The key type for join stream
 * @param  Target type of results for multi join
 */
public class MultiJoinBuilder {

    private final MultiJoin multiLegJoin;

    public MultiJoinBuilder(Class keyClass, LambdaReflection.SerializableSupplier target) {
        multiLegJoin = new MultiJoin<>(keyClass, target);
    }

    public static  MultiJoinBuilder builder(Class keyClass, LambdaReflection.SerializableSupplier target) {
        return new MultiJoinBuilder<>(keyClass, target);
    }

    public  MultiJoinBuilder addJoin(
            GroupByFlowBuilder flow1,
            LambdaReflection.SerializableBiConsumer setter1) {
        multiLegJoin.addJoin(flow1.flowSupplier(), setter1);
        return this;
    }

    public  MultiJoinBuilder addOptionalJoin(
            GroupByFlowBuilder flow1,
            LambdaReflection.SerializableBiConsumer setter1) {
        multiLegJoin.addOptionalJoin(flow1.flowSupplier(), setter1);
        return this;
    }

    public GroupByFlowBuilder dataFlow() {
        EventProcessorBuilderService.service().add(multiLegJoin);
        return new GroupByFlowBuilder<>(multiLegJoin);
    }
}