datamodel.html

这是一个SDO实现的列子

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<B>构造函数细节</B></FONT></TD>
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<A NAME="DataModel(ox.sdo.dataobject.metadata.MyMetadata)"><!-- --></A><H3>
DataModel</H3>
<PRE>
public <B>DataModel</B>(<A HREF="../../../ox/sdo/dataobject/metadata/MyMetadata.html" title="class in ox.sdo.dataobject.metadata">MyMetadata</A>&nbsp;myMetadata)</PRE>
<DL>
<DD>以 （介质对象） 创建 （数据模型） :连接使用ox.sdo.jdbcmediator.JDBCMediatorControl的默认连接 <br>
<P>
<DT><B>参数：</B><DD><CODE>myMetadata</CODE> - 介质对象，从MyMetadataPackage接口中获取，如获取LM介质：MyMetadataPackage.LM <br>
 例：<br>
	new DataModel(MyMetadataPackage.LM)</DL>
<HR>

<A NAME="DataModel(ox.sdo.dataobject.metadata.MyMetadata, java.sql.Connection)"><!-- --></A><H3>
DataModel</H3>
<PRE>
public <B>DataModel</B>(<A HREF="../../../ox/sdo/dataobject/metadata/MyMetadata.html" title="class in ox.sdo.dataobject.metadata">MyMetadata</A>&nbsp;myMetadata,
                 java.sql.Connection&nbsp;sqlconnection)</PRE>
<DL>
<DD>以 （介质对象、连接对象） 创建 （数据模型）<br>
<P>
<DT><B>参数：</B><DD><CODE>myMetadata</CODE> - 介质对象，从MyMetadataPackage接口中获取，如获取LM介质：MyMetadataPackage.LM<DD><CODE>sqlconnection</CODE> - java.sql.connection对象<br>
 例：<br>
	new DataModel(MyMetadataPackage.LM,conn)</DL>
<HR>

<A NAME="DataModel(ox.sdo.dataobject.metadata.MyMetadata, java.lang.String[])"><!-- --></A><H3>
DataModel</H3>
<PRE>
public <B>DataModel</B>(<A HREF="../../../ox/sdo/dataobject/metadata/MyMetadata.html" title="class in ox.sdo.dataobject.metadata">MyMetadata</A>&nbsp;myMetadata,
                 java.lang.String[]&nbsp;ox_filterExps)</PRE>
<DL>
<DD>以 （介质对象、过滤参数） 创建 （数据模型） :连接使用ox.sdo.jdbcmediator.JDBCMediatorControl的默认连接<br>
<P>
<DT><B>参数：</B><DD><CODE>myMetadata</CODE> - 介质对象，从MyMetadataPackage接口中获取，如获取LM介质：MyMetadataPackage.LM<DD><CODE>ox_filterExps</CODE> - 过滤字符串数组，满足ox_filter格式<br>
 ox_filter格式：<br>
 		[0]表名，[1]过滤表达式，[2...n]参数，参数个数与过滤表达式的？数量必须一致 <br>
 例：<br>
 	String[] ox_filterExps={"LM","LM_ID like ? and title = ? ","lm%","title of lm001"};<br>
	new DataModel(MyMetadataPackage.LM,ox_filterExps)</DL>
<HR>

<A NAME="DataModel(ox.sdo.dataobject.metadata.MyMetadata, java.lang.String[], java.sql.Connection)"><!-- --></A><H3>
DataModel</H3>
<PRE>
public <B>DataModel</B>(<A HREF="../../../ox/sdo/dataobject/metadata/MyMetadata.html" title="class in ox.sdo.dataobject.metadata">MyMetadata</A>&nbsp;myMetadata,
                 java.lang.String[]&nbsp;ox_filterExps,
                 java.sql.Connection&nbsp;sqlconnection)</PRE>
<DL>
<DD>以 （介质对象、过滤参数、连接对象） 创建 （数据模型）<br>
<P>
<DT><B>参数：</B><DD><CODE>myMetadata</CODE> - 介质对象，从MyMetadataPackage接口中获取，如获取LM介质：MyMetadataPackage.LM<DD><CODE>ox_filterExps</CODE> - 过滤字符串数组，满足ox_filter格式<DD><CODE>sqlconnection</CODE> - java.sql.connection对象 <br>
 ox_filter格式：<br>
 		[0]表名，[1]过滤表达式，[2...n]参数，参数个数与过滤表达式的？数量必须一致 <br>
 例：<br>
 	String[] ox_filterExps={"LM","LM_ID like ? and title = ? ","lm%","title of lm001"};<br>
	new DataModel(MyMetadataPackage.LM,ox_filterExps,conn)</DL>
<HR>

<A NAME="DataModel(java.lang.String)"><!-- --></A><H3>
DataModel</H3>
<PRE>
public <B>DataModel</B>(java.lang.String&nbsp;metadataFileName)</PRE>
<DL>
<DD>以 （介质文件） 创建 （数据模型） :连接使用ox.sdo.jdbcmediator.JDBCMediatorControl的默认连接<br>
<P>
<DT><B>参数：</B><DD><CODE>metadataFileName</CODE> - 介质文件路径 <br>
 例：<br>
 		new DataModel("/WEB-INF/wdo/dd1.xml")</DL>
<HR>

<A NAME="DataModel(java.lang.String, java.sql.Connection)"><!-- --></A><H3>
DataModel</H3>
<PRE>
public <B>DataModel</B>(java.lang.String&nbsp;metadataFileName,
                 java.sql.Connection&nbsp;sqlconnection)</PRE>
<DL>
<DD>以 （介质文件、连接） 创建 （数据模型）<br>
<P>
<DT><B>参数：</B><DD><CODE>metadataFileName</CODE> - 介质文件路径<DD><CODE>sqlconnection</CODE> - java.sql.connection对象<br>
 例：<br>
 		new DataModel("/WEB-INF/wdo/dd1.xml",conn)</DL>

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<B>方法细节</B></FONT></TD>
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<A NAME="CreateDataObject()"><!-- --></A><H3>
CreateDataObject</H3>
<PRE>
public commonj.sdo.DataObject <B>CreateDataObject</B>()</PRE>
<DL>
<DD>创建一个SDO数据对象 <br>
<P>
<DD><DL>

<DT><B>返回值：</B><DD>SDO数据对象的 root table</DL>
</DD>
</DL>
<HR>

<A NAME="CreateEmptyDataObject()"><!-- --></A><H3>
CreateEmptyDataObject</H3>
<PRE>
public commonj.sdo.DataObject <B>CreateEmptyDataObject</B>()</PRE>
<DL>
<DD>创建一个空SDO数据对象 <br>
<P>
<DD><DL>

<DT><B>返回值：</B><DD>空SDO数据对象的 root table</DL>
</DD>
</DL>
<HR>

<A NAME="CreateEcoreDataObject(org.eclipse.emf.ecore.EClass)"><!-- --></A><H3>
CreateEcoreDataObject</H3>
<PRE>
public commonj.sdo.DataObject <B>CreateEcoreDataObject</B>(org.eclipse.emf.ecore.EClass&nbsp;ec)</PRE>
<DL>
<DD>创建一个ecore数据对象<br>
<P>
<DD><DL>
<DT><B>参数：</B><DD><CODE>ec</CODE> - EClass  格式：LmPackage.eINSTANCE.getLMRoot()
<DT><B>返回值：</B><DD>EMF ecore数据模型结构的DataObject</DL>
</DD>
</DL>
<HR>

<A NAME="CreateEmptyEcoreDataObject(org.eclipse.emf.ecore.EClass)"><!-- --></A><H3>
CreateEmptyEcoreDataObject</H3>
<PRE>
public commonj.sdo.DataObject <B>CreateEmptyEcoreDataObject</B>(org.eclipse.emf.ecore.EClass&nbsp;ec)</PRE>
<DL>
<DD>创建一个空ecore数据对象<br>
<P>
<DD><DL>
<DT><B>参数：</B><DD><CODE>ec</CODE> - EClass  格式：LmPackage.eINSTANCE.getLMRoot()
<DT><B>返回值：</B><DD>空EMF ecore数据模型结构的DataObject</DL>
</DD>
</DL>
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