📄 dbdatabase.html
字号:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN""http://www.w3.org/TR/REC-html40/loose.dtd"><!--NewPage--><HTML><HEAD><!-- Generated by javadoc on Wed Jan 15 11:28:11 CET 2003 --><TITLE>DbDatabase</TITLE><META NAME="keywords" CONTENT="javatools.db.DbDatabase,DbDatabase class"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../stylesheet.css" TITLE="Style"></HEAD><SCRIPT>function asd(){parent.document.title="DbDatabase";}</SCRIPT><BODY BGCOLOR="white" onload="asd();"><!-- ========== START OF NAVBAR ========== --><A NAME="navbar_top"><!-- --></A><TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0"><TR><TD COLSPAN=3 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"><A NAME="navbar_top_firstrow"><!-- --></A><TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3"> <TR ALIGN="center" VALIGN="top"> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A> </TD> <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../index-all.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A> </TD> </TR></TABLE></TD><TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM></EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../javatools/db/DbCriterion.html"><B>PREV CLASS</B></A> <A HREF="../../javatools/db/DbDatabaseAdmin.html"><B>NEXT CLASS</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../index.html" TARGET="_top"><B>FRAMES</B></A> <A HREF="DbDatabase.html" TARGET="_top"><B>NO FRAMES</B></A> <SCRIPT> <!-- if(window==top) { document.writeln('<A HREF="../../allclasses-noframe.html" TARGET=""><B>All Classes</B></A>'); } //--></SCRIPT><NOSCRIPT><A HREF="../../allclasses-noframe.html" TARGET=""><B>All Classes</B></A></NOSCRIPT></FONT></TD></TR><TR><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> SUMMARY: NESTED | <A HREF="#field_summary">FIELD</A> | <A HREF="#constructor_summary">CONSTR</A> | <A HREF="#method_summary">METHOD</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">DETAIL: <A HREF="#field_detail">FIELD</A> | <A HREF="#constructor_detail">CONSTR</A> | <A HREF="#method_detail">METHOD</A></FONT></TD></TR></TABLE><!-- =========== END OF NAVBAR =========== --><HR><!-- ======== START OF CLASS DATA ======== --><H2><FONT SIZE="-1">javatools.db</FONT><BR>Class DbDatabase</H2><PRE>java.lang.Object | +--<B>javatools.db.DbDatabase</B></PRE><DL><DT><B>Direct Known Subclasses:</B> <DD><A HREF="../../javatools/db/DbDatabaseAdmin.html">DbDatabaseAdmin</A></DD></DL><HR><DL><DT>public class <B>DbDatabase</B><DT>extends java.lang.Object</DL><P>A class that represents a particular database. A DbDatabase basically consists of some connection parameters plus we keep track of the open connections. The constructor is not public. Use DbManager.getDatabase().<P><P><HR><P><!-- ======== NESTED CLASS SUMMARY ======== --><!-- =========== FIELD SUMMARY =========== --><A NAME="field_summary"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2"><B>Field Summary</B></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../javatools/db/DbDatabase.html#checkStatement">checkStatement</A></B></CODE><BR> A flag indicating if a DBMS supports check clauses in its constraints. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../javatools/db/DbDatabase.html#foreignKey">foreignKey</A></B></CODE><BR> A flag indicating if a DBMS supports foreign keys. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../javatools/db/DbDatabase.html#onDeleteCascade">onDeleteCascade</A></B></CODE><BR> A flag indicating if a DBMS supports ON DELETE CASCADE clauses in its constraints. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../javatools/db/DbDatabase.html#onDeleteSetDefault">onDeleteSetDefault</A></B></CODE><BR> A flag indicating if a DBMS supports ON DELETE SET DEFAULT clauses in its constraints. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../javatools/db/DbDatabase.html#onDeleteSetNull">onDeleteSetNull</A></B></CODE><BR> A flag indicating if a DBMS supports ON DELETE SET NULL clauses in its constraints. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../javatools/db/DbDatabase.html#onUpdateCascade">onUpdateCascade</A></B></CODE><BR> A flag indicating if a DBMS supports ON UPDATE CASCADE clauses in its constraints. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../javatools/db/DbDatabase.html#onUpdateSetDefault">onUpdateSetDefault</A></B></CODE><BR> A flag indicating if a DBMS supports ON UPDATE SET DEFAULT clauses in its constraints. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../javatools/db/DbDatabase.html#onUpdateSetNull">onUpdateSetNull</A></B></CODE><BR> A flag indicating if a DBMS supports ON UPDATE SET NULL clauses in its constraints. </TD></TR></TABLE> <!-- ======== CONSTRUCTOR SUMMARY ======== --><A NAME="constructor_summary"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2"><B>Constructor Summary</B></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../../javatools/db/DbDatabase.html#DbDatabase()">DbDatabase</A></B>()</CODE><BR> Builds a new DbDatabase empty object.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../../javatools/db/DbDatabase.html#DbDatabase(javatools.db.DbManager, java.lang.String, java.lang.String, java.lang.String, java.lang.String, java.lang.String)">DbDatabase</A></B>(<A HREF="../../javatools/db/DbManager.html">DbManager</A> manager, java.lang.String name, java.lang.String driver, java.lang.String connectString, java.lang.String userName, java.lang.String password)</CODE><BR> Builds a new DbDatabase object.</TD></TR></TABLE> <!-- ========== METHOD SUMMARY =========== --><A NAME="method_summary"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2"><B>Method Summary</B></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../javatools/db/DbDatabase.html#equals(java.lang.Object)">equals</A></B>(java.lang.Object o)</CODE><BR> Checks if a DbDatabase object equals this one.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../javatools/db/DbExpr.html">DbExpr</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../javatools/db/DbDatabase.html#falseExpr()">falseExpr</A></B>()</CODE><BR> Return an expression representing an SQL false expression. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../javatools/db/DbDatabase.html#getCheckStatement()">getCheckStatement</A></B>()</CODE><BR> Returns the capability of DBMS to handle check statements.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../javatools/db/DbConnection.html">DbConnection</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../javatools/db/DbDatabase.html#getExistingThreadConnection()">getExistingThreadConnection</A></B>()</CODE><BR> Get a DbConnection that will be associated with this Thread, but only if one exists already.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../javatools/db/DbDatabase.html#getForeignKey()">getForeignKey</A></B>()</CODE><BR> Returns the capability of DBMS to handle foreign keys.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../javatools/db/DbJoinedTable.html">DbJoinedTable</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../javatools/db/DbDatabase.html#getJoinedTable(javatools.db.DbAbstractTable, javatools.db.DbAbstractTable, int, javatools.db.DbExpr)">getJoinedTable</A></B>(<A HREF="../../javatools/db/DbAbstractTable.html">DbAbstractTable</A> tableLeft, <A HREF="../../javatools/db/DbAbstractTable.html">DbAbstractTable</A> tableRight, int joinType, <A HREF="../../javatools/db/DbExpr.html">DbExpr</A> joinCondition)</CODE><BR> Returns a joined table.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../javatools/db/DbConnection.html">DbConnection</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../javatools/db/DbDatabase.html#getNewConnection()">getNewConnection</A></B>()</CODE><BR> Return a brand new DbConnection.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../javatools/db/DbDatabase.html#getOnDeleteCascade()">getOnDeleteCascade</A></B>()</CODE><BR> Returns the capability of DBMS to handle ON DELETE CASCADE clauses.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../javatools/db/DbDatabase.html#getOnDeleteSetDefault()">getOnDeleteSetDefault</A></B>()</CODE><BR> Returns the capability of DBMS to handle ON DELETE SET DEFAULT clauses.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../javatools/db/DbDatabase.html#getOnDeleteSetNull()">getOnDeleteSetNull</A></B>()</CODE><BR> Returns the capability of DBMS to handle ON DELETE SET NULL clauses.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../javatools/db/DbDatabase.html#getOnUpdateCascade()">getOnUpdateCascade</A></B>()</CODE><BR> Returns the capability of DBMS to handle ON UPDATE CASCADE clauses.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../javatools/db/DbDatabase.html#getOnUpdateSetDefault()">getOnUpdateSetDefault</A></B>()</CODE><BR> Returns the capability of DBMS to handle ON UPDATE SET DEFAULT clauses.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../javatools/db/DbDatabase.html#getOnUpdateSetNull()">getOnUpdateSetNull</A></B>()</CODE><BR> Returns the capability of DBMS to handle ON UPDATE SET NULL clauses.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.lang.String</CODE></FONT></TD><TD><CODE><B><A HREF="../../javatools/db/DbDatabase.html#getProperty(java.lang.String)">getProperty</A></B>(java.lang.String pname)</CODE><BR> A database can have a set of properties associated with it. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../javatools/db/DbSequence.html">DbSequence</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../javatools/db/DbDatabase.html#getSequence(java.lang.String)">getSequence</A></B>(java.lang.String name)</CODE><BR> Ahem... uncommented. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -