org.apache.calcite.linq4j.tree.CatchBlock Maven / Gradle / Ivy

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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.calcite.linq4j.tree;

import org.checkerframework.checker.nullness.qual.Nullable;

import java.util.Objects;

/**
 * Represents a catch statement in a try block.
 */
public class CatchBlock {
  public final ParameterExpression parameter;
  public final Statement body;

  public CatchBlock(ParameterExpression parameter,
      Statement body) {
    this.parameter = parameter;
    this.body = body;
  }

  @Override public boolean equals(@Nullable Object o) {
    if (this == o) {
      return true;
    }
    if (o == null || getClass() != o.getClass()) {
      return false;
    }

    CatchBlock that = (CatchBlock) o;

    if (body != null ? !body.equals(that.body) : that.body != null) {
      return false;
    }
    if (parameter != null ? !parameter.equals(that.parameter) : that
        .parameter != null) {
      return false;
    }

    return true;
  }

  @Override public int hashCode() {
    return Objects.hash(parameter, body);
  }
}