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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.operator.window.pattern;

import io.trino.spi.type.Type;

import static java.util.Objects.requireNonNull;

public class PhysicalValuePointer
        implements PhysicalValueAccessor
{
    public static final int CLASSIFIER = -1;
    public static final int MATCH_NUMBER = -2;

    private final int sourceChannel;
    private final Type type;
    private final LogicalIndexNavigation logicalIndexNavigation;

    public PhysicalValuePointer(int sourceChannel, Type type, LogicalIndexNavigation logicalIndexNavigation)
    {
        this.sourceChannel = sourceChannel;
        this.type = requireNonNull(type, "type is null");
        this.logicalIndexNavigation = requireNonNull(logicalIndexNavigation, "logicalIndexNavigation is null");
    }

    public int getSourceChannel()
    {
        return sourceChannel;
    }

    public Type getType()
    {
        return type;
    }

    public LogicalIndexNavigation getLogicalIndexNavigation()
    {
        return logicalIndexNavigation;
    }
}