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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.dinky.shaded.paimon.utils;

import org.dinky.shaded.paimon.data.BinaryString;
import org.dinky.shaded.paimon.data.Decimal;
import org.dinky.shaded.paimon.data.InternalArray;
import org.dinky.shaded.paimon.data.InternalMap;
import org.dinky.shaded.paimon.data.InternalRow;
import org.dinky.shaded.paimon.data.Timestamp;
import org.dinky.shaded.paimon.types.RowKind;

/** A {@link InternalRow} to wrap row with offset. */
public class OffsetRow implements InternalRow {

    private final int arity;

    private final int offset;

    private InternalRow row;

    public OffsetRow(int arity, int offset) {
        this.arity = arity;
        this.offset = offset;
    }

    public OffsetRow replace(InternalRow row) {
        this.row = row;
        return this;
    }

    @Override
    public int getFieldCount() {
        return arity;
    }

    @Override
    public RowKind getRowKind() {
        return row.getRowKind();
    }

    @Override
    public void setRowKind(RowKind kind) {
        row.setRowKind(kind);
    }

    @Override
    public boolean isNullAt(int pos) {
        return row.isNullAt(offset + pos);
    }

    @Override
    public boolean getBoolean(int pos) {
        return row.getBoolean(offset + pos);
    }

    @Override
    public byte getByte(int pos) {
        return row.getByte(offset + pos);
    }

    @Override
    public short getShort(int pos) {
        return row.getShort(offset + pos);
    }

    @Override
    public int getInt(int pos) {
        return row.getInt(offset + pos);
    }

    @Override
    public long getLong(int pos) {
        return row.getLong(offset + pos);
    }

    @Override
    public float getFloat(int pos) {
        return row.getFloat(offset + pos);
    }

    @Override
    public double getDouble(int pos) {
        return row.getDouble(offset + pos);
    }

    @Override
    public BinaryString getString(int pos) {
        return row.getString(offset + pos);
    }

    @Override
    public Decimal getDecimal(int pos, int precision, int scale) {
        return row.getDecimal(offset + pos, precision, scale);
    }

    @Override
    public Timestamp getTimestamp(int pos, int precision) {
        return row.getTimestamp(offset + pos, precision);
    }

    @Override
    public byte[] getBinary(int pos) {
        return row.getBinary(offset + pos);
    }

    @Override
    public InternalArray getArray(int pos) {
        return row.getArray(offset + pos);
    }

    @Override
    public InternalMap getMap(int pos) {
        return row.getMap(offset + pos);
    }

    @Override
    public InternalRow getRow(int pos, int numFields) {
        return row.getRow(offset + pos, numFields);
    }
}