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/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.hudi.expression;

import org.apache.hudi.internal.schema.Type;
import org.apache.hudi.internal.schema.Types;

/**
 * An expression that returns a Boolean value.
 */
public interface Predicate extends Expression {

  @Override
  default Type getDataType() {
    return Types.BooleanType.get();
  }

  Operator getOperator();

  @Override
  default  T accept(ExpressionVisitor exprVisitor) {
    return exprVisitor.visitPredicate(this);
  }
}




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