LogicalBinaryPatternGenerator.java

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package org.apache.doris.nereids.pattern.generator;

import org.apache.doris.nereids.pattern.generator.javaast.ClassDeclaration;

import java.util.Set;
import java.util.TreeSet;

/** used to generate pattern for LogicalBinary. */
public class LogicalBinaryPatternGenerator extends PlanPatternGenerator {

    public LogicalBinaryPatternGenerator(PlanPatternGeneratorAnalyzer analyzer,
            ClassDeclaration opType, Set<String> parentClass, boolean isMemoPattern) {
        super(analyzer, opType, parentClass, isMemoPattern);
    }

    @Override
    public String genericType() {
        return "<" + opType.name + "<" + childType() + ", " + childType() + ">>";
    }

    @Override
    public String genericTypeWithChildren() {
        return "<" + opType.name + "<C1, C2>>";
    }

    @Override
    public Set<String> getImports() {
        Set<String> imports = new TreeSet<>();
        imports.add(opType.getFullQualifiedName());
        if (isMemoPattern) {
            imports.add("org.apache.doris.nereids.trees.plans.GroupPlan");
        }
        imports.add("org.apache.doris.nereids.trees.plans.Plan");
        enumFieldPatternInfos.stream()
                .map(info -> info.enumFullName)
                .forEach(imports::add);
        return imports;
    }

    @Override
    public boolean isLogical() {
        return true;
    }

    @Override
    public int childrenNum() {
        return 2;
    }
}