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54 lines
3.2 KiB
54 lines
3.2 KiB
/*
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XOWA: the XOWA Offline Wiki Application
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Copyright (C) 2012-2020 gnosygnu@gmail.com
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XOWA is licensed under the terms of the General Public License (GPL) Version 3,
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or alternatively under the terms of the Apache License Version 2.0.
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You may use XOWA according to either of these licenses as is most appropriate
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for your project on a case-by-case basis.
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The terms of each license can be found in the source code repository:
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GPLv3 License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-GPLv3.txt
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Apache License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-APACHE2.txt
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*/
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package gplx.dbs.engines.noops; import gplx.*; import gplx.dbs.*; import gplx.dbs.engines.*;
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import gplx.core.stores.*; import gplx.dbs.metas.*; import gplx.dbs.sqls.*; import gplx.dbs.conn_props.*; import gplx.dbs.qrys.bats.*;
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import gplx.dbs.wkrs.SqlWkrMgr;
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public class Noop_engine implements Db_engine {
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public String Tid() {return Noop_conn_info.Tid_const;}
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public Db_conn_info Conn_info() {return Db_conn_info_.Null;}
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public Db_conn_props_mgr Props() {return props;} private final Db_conn_props_mgr props = new Db_conn_props_mgr();
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public Db_batch_mgr Batch_mgr() {return batch_mgr;} private final Db_batch_mgr batch_mgr = new Db_batch_mgr();
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public Sql_qry_wtr Sql_wtr() {return sql_wtr;} private final Sql_qry_wtr sql_wtr = Sql_qry_wtr_.New__basic();
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@Override public void CtorConn(SqlWkrMgr wkrMgr) {}
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public void Conn_open() {}
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public void Conn_term() {}
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public Db_engine New_clone(Db_conn_info url) {return this;}
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public Db_rdr Exec_as_rdr__rls_manual (Object rdr_obj, String sql) {return Db_rdr_.Empty;}
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public Db_rdr Exec_as_rdr__rls_auto (Db_stmt stmt, Object rdr_obj, String sql) {return Db_rdr_.Empty;}
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public Db_stmt Stmt_by_qry(Db_qry qry) {return Db_stmt_.Null;}
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public Object Stmt_by_sql(String sql) {throw Err_.new_unimplemented();}
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public DataRdr New_rdr(java.sql.ResultSet rdr, String sql) {return DataRdr_.Null;}
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public void Txn_bgn(String name) {}
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public String Txn_end() {return "";}
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public void Txn_cxl() {}
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public void Txn_sav() {}
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public Object Exec_as_obj(Db_qry cmd) {return cmd.Exec_is_rdr() ? (Object)DataRdr_.Null : -1;}
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public void Meta_tbl_create(Dbmeta_tbl_itm meta) {}
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public void Meta_tbl_delete(String tbl) {}
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public void Meta_idx_create(Gfo_usr_dlg usr_dlg, Dbmeta_idx_itm... ary) {}
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public void Meta_idx_delete(String idx) {}
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public void Meta_fld_append(String tbl, Dbmeta_fld_itm fld) {}
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public void Env_db_attach(String alias, Db_conn conn) {}
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public void Env_db_attach(String alias, Io_url db_url) {}
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public void Env_db_detach(String alias) {}
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public boolean Meta_tbl_exists(String tbl) {return false;}
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public boolean Meta_fld_exists(String tbl, String fld) {return false;}
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public boolean Meta_idx_exists(String idx) {return false;}
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public Dbmeta_tbl_mgr Meta_mgr() {return meta_tbl_mgr;} private final Dbmeta_tbl_mgr meta_tbl_mgr = new Dbmeta_tbl_mgr(Dbmeta_reload_cmd_.Noop);
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public static final Noop_engine Instance = new Noop_engine(); Noop_engine() {}
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}
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