Or.java

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package org.apache.doris.nereids.trees.expressions;

import org.apache.doris.nereids.trees.expressions.visitor.ExpressionVisitor;

import com.google.common.base.Preconditions;
import com.google.common.collect.ImmutableList;

import java.util.List;

/**
 * Or predicate expression.
 */
public class Or extends CompoundPredicate {

    /**
     * Desc: Constructor for CompoundPredicate.
     *
     * @param left  left child of comparison predicate
     * @param right right child of comparison predicate
     */
    public Or(Expression left, Expression right) {
        super(ImmutableList.of(left, right), "OR");
    }

    private Or(List<Expression> children) {
        super(children, "OR");
    }

    @Override
    public Expression withChildren(List<Expression> children) {
        Preconditions.checkArgument(children.size() == 2);
        return new Or(children);
    }

    @Override
    public <R, C> R accept(ExpressionVisitor<R, C> visitor, C context) {
        return visitor.visitOr(this, context);
    }

    @Override
    public CompoundPredicate flip() {
        return new And(left(), right());
    }

    @Override
    public CompoundPredicate flip(Expression left, Expression right) {
        return new And(left, right);
    }

    @Override
    public Class<? extends CompoundPredicate> flipType() {
        return And.class;
    }
}