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There is a newer version: 230521-nf-execution

package graphql.language;


import java.util.ArrayList;
import java.util.List;
import java.util.Map;

import static graphql.language.NodeUtil.directivesByName;

public class UnionTypeDefinition extends AbstractNode implements TypeDefinition {
    private final String name;
    private final List directives;
    private final List memberTypes;

    public UnionTypeDefinition(String name) {
        this(name, new ArrayList<>(), new ArrayList<>());
    }

    public UnionTypeDefinition(String name, List directives, List memberTypes) {
        this.name = name;
        this.directives = directives;
        this.memberTypes = memberTypes;
    }

    public List getDirectives() {
        return directives;
    }

    public Map getDirectivesByName() {
        return directivesByName(directives);
    }

    public Directive getDirective(String directiveName) {
        return getDirectivesByName().get(directiveName);
    }


    public List getMemberTypes() {
        return memberTypes;
    }

    @Override
    public String getName() {
        return name;
    }

    @Override
    public List getChildren() {
        List result = new ArrayList<>();
        result.addAll(directives);
        result.addAll(memberTypes);
        return result;
    }

    @Override
    public boolean isEqualTo(Node o) {
        if (this == o) return true;
        if (o == null || getClass() != o.getClass()) return false;

        UnionTypeDefinition that = (UnionTypeDefinition) o;

        return NodeUtil.isEqualTo(this.name, that.name);
    }

    @Override
    public UnionTypeDefinition deepCopy() {
        return new UnionTypeDefinition(name,
                deepCopy(directives),
                deepCopy(memberTypes)
        );
    }

    @Override
    public String toString() {
        return "UnionTypeDefinition{" +
                "name='" + name + '\'' +
                "directives=" + directives +
                ", memberTypes=" + memberTypes +
                '}';
    }
}