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/*
 * Licensed 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 io.trino.sql.planner.rowpattern.ir;

import com.fasterxml.jackson.annotation.JsonCreator;
import com.fasterxml.jackson.annotation.JsonProperty;

import java.util.Objects;

import static java.util.Objects.requireNonNull;

public class IrExclusion
        extends IrRowPattern
{
    private final IrRowPattern pattern;

    @JsonCreator
    public IrExclusion(IrRowPattern pattern)
    {
        this.pattern = requireNonNull(pattern, "pattern is null");
    }

    @JsonProperty
    public IrRowPattern getPattern()
    {
        return pattern;
    }

    @Override
    public  R accept(IrRowPatternVisitor visitor, C context)
    {
        return visitor.visitIrExclusion(this, context);
    }

    @Override
    public boolean equals(Object obj)
    {
        if (this == obj) {
            return true;
        }
        if ((obj == null) || (getClass() != obj.getClass())) {
            return false;
        }
        IrExclusion o = (IrExclusion) obj;
        return Objects.equals(pattern, o.pattern);
    }

    @Override
    public int hashCode()
    {
        return Objects.hash(pattern);
    }

    @Override
    public String toString()
    {
        return "{-" + pattern + "-}";
    }
}