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The core API for working with Metaschema-based models.

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/*
 * Portions of this software was developed by employees of the National Institute
 * of Standards and Technology (NIST), an agency of the Federal Government and is
 * being made available as a public service. Pursuant to title 17 United States
 * Code Section 105, works of NIST employees are not subject to copyright
 * protection in the United States. This software may be subject to foreign
 * copyright. Permission in the United States and in foreign countries, to the
 * extent that NIST may hold copyright, to use, copy, modify, create derivative
 * works, and distribute this software and its documentation without fee is hereby
 * granted on a non-exclusive basis, provided that this notice and disclaimer
 * of warranty appears in all copies.
 *
 * THE SOFTWARE IS PROVIDED 'AS IS' WITHOUT ANY WARRANTY OF ANY KIND, EITHER
 * EXPRESSED, IMPLIED, OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, ANY WARRANTY
 * THAT THE SOFTWARE WILL CONFORM TO SPECIFICATIONS, ANY IMPLIED WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND FREEDOM FROM
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 * SOFTWARE, OR ANY WARRANTY THAT THE SOFTWARE WILL BE ERROR FREE.  IN NO EVENT
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package gov.nist.secauto.metaschema.model.common.metapath.ast;

import org.jetbrains.annotations.NotNull;

import java.util.Objects;

public abstract class AbstractComparison
    extends AbstractBinaryExpression
    implements IComparison {

  @NotNull
  private final Operator operator;

  @SuppressWarnings("null")
  public AbstractComparison(@NotNull IExpression left, @NotNull Operator operator, @NotNull IExpression right) {
    super(left, right);
    this.operator = Objects.requireNonNull(operator, "operator");
  }

  @NotNull
  public Operator getOperator() {
    return operator;
  }

  @SuppressWarnings("null")
  @Override
  public String toASTString() {
    return String.format("%s[operator=%s]", getClass().getName(), operator);
  }
}