DeltaCommandBundle.java

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// 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
//
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package org.apache.doris.mtmv.ivm;

import org.apache.doris.mtmv.BaseTableInfo;
import org.apache.doris.nereids.trees.plans.commands.Command;

import java.util.Objects;

/**
 * One delta write command for a single changed base table.
 * Produced by a per-pattern IVM Nereids rule and consumed by IVMDeltaExecutor.
 */
public class DeltaCommandBundle {
    // the base table whose changes this bundle handles
    private final BaseTableInfo baseTableInfo;
    // the logical delta write command (INSERT / DELETE / MERGE INTO)
    private final Command command;

    public DeltaCommandBundle(BaseTableInfo baseTableInfo, Command command) {
        this.baseTableInfo = Objects.requireNonNull(baseTableInfo, "baseTableInfo can not be null");
        this.command = Objects.requireNonNull(command, "command can not be null");
    }

    public BaseTableInfo getBaseTableInfo() {
        return baseTableInfo;
    }

    public Command getCommand() {
        return command;
    }

    @Override
    public String toString() {
        return "DeltaCommandBundle{"
                + "baseTableInfo=" + baseTableInfo
                + ", command=" + command.getClass().getSimpleName()
                + '}';
    }
}