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query-compiler

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package io.wizzie.enricher.query.antlr4;

import java.util.Collections;
import java.util.List;

import static com.cookingfox.guava_preconditions.Preconditions.checkNotNull;
import static io.wizzie.enricher.query.utils.Constants.__KEY;

public class Join {

    List dimensions;
    Stream topic;
    String joinerName;
    String partitionKey;

    public Join(Stream topic, String joinerName) {
        this(topic, joinerName, Collections.EMPTY_LIST);
    }

    public Join(Stream topic, String joinerName, List dimensions) {
        this(topic, joinerName, dimensions, __KEY);
    }

    public Join(Stream topic, String joinerName, List dimensions, String partitionKey) {
        this.topic = checkNotNull(topic, " attribute is required");
        this.joinerName = checkNotNull(joinerName, " attribute is required");
        this.dimensions = checkNotNull(dimensions, " is required");
        this.partitionKey = checkNotNull(partitionKey, " is required");
    }

    public void setStream(Stream stream) {
        topic = stream;
    }

    public Stream getStream() {
        return topic;
    }

    public void setDimensions(List newDimensions) {
        dimensions = newDimensions;
    }

    public List getDimensions() {
        return dimensions;
    }

    public void setJoinerName(String newClassName) {
        joinerName = newClassName;
    }

    public String getJoinerName() {
        return joinerName;
    }

    public void setPartitionKey(String newPartitionKey) {
        partitionKey = newPartitionKey;
    }

    public String getPartitionKey() {
        return partitionKey;
    }

    public void validate() {
        checkNotNull(dimensions, "At least a dimensions list is required");
        checkNotNull(topic, "At least a topic is required");
        checkNotNull(joinerName, "At least a joiner class name is required");

        topic.validate();
    }

}