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package db.sql.api.impl.cmd.dbFun;

import db.sql.api.Cmd;
import db.sql.api.SqlBuilderContext;
import db.sql.api.impl.cmd.Methods;
import db.sql.api.impl.tookit.SqlConst;
import db.sql.api.tookit.CmdUtils;

public class Rpad extends BasicFunction {

    private final int length;

    private final Cmd pad;

    public Rpad(Cmd key, int length, String pad) {
        this(key, length, Methods.cmd(pad));
    }

    public Rpad(Cmd key, int length, Cmd pad) {
        super(SqlConst.RPAD, key);
        this.length = length;
        this.pad = pad;
    }

    @Override
    public StringBuilder functionSql(Cmd module, Cmd parent, SqlBuilderContext context, StringBuilder sqlBuilder) {
        sqlBuilder.append(operator).append(SqlConst.BRACKET_LEFT);
        this.key.sql(module, this, context, sqlBuilder);
        sqlBuilder.append(SqlConst.DELIMITER).append(this.length);
        sqlBuilder.append(SqlConst.DELIMITER);
        this.pad.sql(module, this, context, sqlBuilder);
        sqlBuilder.append(SqlConst.BRACKET_RIGHT);
        return sqlBuilder;
    }

    @Override
    public boolean contain(Cmd cmd) {
        return CmdUtils.contain(cmd, this.key, this.pad);
    }
}