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| <H2> |
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| org.hsqldb.jdbc</FONT> |
| <BR> |
| Class JDBCRowId</H2> |
| <PRE> |
| <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</A> |
| <IMG SRC="../../../resources/inherit.gif" ALT="extended by "><B>org.hsqldb.jdbc.JDBCRowId</B> |
| </PRE> |
| <DL> |
| <DT><B>All Implemented Interfaces:</B> <DD><A HREF="http://java.sun.com/javase/6/docs/api/java/sql/RowId.html?is-external=true" title="class or interface in java.sql">RowId</A></DD> |
| </DL> |
| <HR> |
| <DL> |
| <DT><PRE>public final class <B>JDBCRowId</B><DT>extends <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A><DT>implements <A HREF="http://java.sun.com/javase/6/docs/api/java/sql/RowId.html?is-external=true" title="class or interface in java.sql">RowId</A></DL> |
| </PRE> |
| |
| <P> |
| The representation (mapping) in the Java programming language of an SQL ROWID |
| value. An SQL ROWID is a built-in type, a value of which can be thought of as |
| an address for its identified row in a database table. Whether that address |
| is logical or, in any respects, physical is determined by its originating data |
| source. |
| <p> |
| Methods in the interfaces <code>ResultSet</code>, <code>CallableStatement</code>, |
| and <code>PreparedStatement</code>, such as <code>getRowId</code> and <code>setRowId</code> |
| allow a programmer to access a SQL <code>ROWID</code> value. The <code>RowId</code> |
| interface provides a method |
| for representing the value of the <code>ROWID</code> as a byte array or as a |
| <code>String</code>. |
| <p> |
| The method <code>getRowIdLifetime</code> in the interface <code>DatabaseMetaData</code>, |
| can be used |
| to determine if a <code>RowId</code> object remains valid for the duration of the transaction in |
| which the <code>RowId</code> was created, the duration of the session in which |
| the <code>RowId</code> was created, |
| or, effectively, for as long as its identified row is not deleted. In addition |
| to specifying the duration of its valid lifetime outside its originating data |
| source, <code>getRowIdLifetime</code> specifies the duration of a <code>ROWID</code> |
| value's valid lifetime |
| within its originating data source. In this, it differs from a large object, |
| because there is no limit on the valid lifetime of a large object within its |
| originating data source. |
| <p> |
| All methods on the <code>RowId</code> interface must be fully implemented if the |
| JDBC driver supports the data type. |
| <P> |
| |
| <P> |
| <DL> |
| <DT><B>Since:</B></DT> |
| <DD>JDK 1.6, HSQLDB 2.0</DD> |
| <DT><B>Author:</B></DT> |
| <DD>boucherb@users</DD> |
| <DT><B>See Also:</B><DD><A HREF="http://java.sun.com/javase/6/docs/api/java/sql/DatabaseMetaData.html?is-external=true" title="class or interface in java.sql"><CODE>DatabaseMetaData</CODE></A></DL> |
| <HR> |
| |
| <P> |
| |
| <!-- ======== CONSTRUCTOR SUMMARY ======== --> |
| |
| <A NAME="constructor_summary"><!-- --></A> |
| <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
| <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
| <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> |
| <B>Constructor Summary</B></FONT></TH> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD><CODE><B><A HREF="../../../org/hsqldb/jdbc/JDBCRowId.html#JDBCRowId(byte[])">JDBCRowId</A></B>(byte[] id)</CODE> |
| |
| <BR> |
| Constructs a new JDBCRowId instance wrapping the given octet sequence.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD><CODE><B><A HREF="../../../org/hsqldb/jdbc/JDBCRowId.html#JDBCRowId(java.sql.RowId)">JDBCRowId</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/sql/RowId.html?is-external=true" title="class or interface in java.sql">RowId</A> id)</CODE> |
| |
| <BR> |
| Constructs a new JDBCRowId instance whose internal octet sequence is |
| is a copy of the octet sequence of the given RowId object.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD><CODE><B><A HREF="../../../org/hsqldb/jdbc/JDBCRowId.html#JDBCRowId(java.lang.String)">JDBCRowId</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> hex)</CODE> |
| |
| <BR> |
| Constructs a new JDBCRowId instance whose internal octet sequence is |
| is that represented by the given hexidecimal character sequence.</TD> |
| </TR> |
| </TABLE> |
| |
| <!-- ========== METHOD SUMMARY =========== --> |
| |
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| <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> |
| <B>Method Summary</B></FONT></TH> |
| </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="../../../org/hsqldb/jdbc/JDBCRowId.html#equals(java.lang.Object)">equals</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A> obj)</CODE> |
| |
| <BR> |
| Compares this <code>RowId</code> to the specified object.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE> byte[]</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../org/hsqldb/jdbc/JDBCRowId.html#getBytes()">getBytes</A></B>()</CODE> |
| |
| <BR> |
| Returns an array of bytes representing the value of the SQL <code>ROWID</code> |
| designated by this <code>java.sql.RowId</code> object.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE> int</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../org/hsqldb/jdbc/JDBCRowId.html#hashCode()">hashCode</A></B>()</CODE> |
| |
| <BR> |
| Returns a hash code value of this <code>RowId</code> object.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE> <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A></CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../org/hsqldb/jdbc/JDBCRowId.html#toString()">toString</A></B>()</CODE> |
| |
| <BR> |
| Returns a String representing the value of the SQL ROWID designated by this |
| <code>java.sql.RowId</code> object.</TD> |
| </TR> |
| </TABLE> |
| <A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A> |
| <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
| <TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"> |
| <TH ALIGN="left"><B>Methods inherited from class java.lang.<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A></B></TH> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang">getClass</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang">notify</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang">notifyAll</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang">wait</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang">wait</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait(long, int)" title="class or interface in java.lang">wait</A></CODE></TD> |
| </TR> |
| </TABLE> |
| |
| <P> |
| |
| <!-- ========= CONSTRUCTOR DETAIL ======== --> |
| |
| <A NAME="constructor_detail"><!-- --></A> |
| <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
| <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
| <TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2"> |
| <B>Constructor Detail</B></FONT></TH> |
| </TR> |
| </TABLE> |
| |
| <A NAME="JDBCRowId(byte[])"><!-- --></A><H3> |
| JDBCRowId</H3> |
| <PRE> |
| public <B>JDBCRowId</B>(byte[] id) |
| throws <A HREF="http://java.sun.com/javase/6/docs/api/java/sql/SQLException.html?is-external=true" title="class or interface in java.sql">SQLException</A></PRE> |
| <DL> |
| <DD>Constructs a new JDBCRowId instance wrapping the given octet sequence. <p> |
| |
| This constructor may be used internally to retrieve result set values as |
| RowId objects, yet it also may need to be public to allow access from |
| other packages. As such (in the interest of efficiency) this object |
| maintains a reference to the given octet sequence rather than making a |
| copy; special care should be taken by extenal clients never to use this |
| constructor with a byte array object that may later be modified |
| extenally. |
| <P> |
| <DL> |
| <DT><B>Parameters:</B><DD><CODE>id</CODE> - the octet sequence representing the Rowid value |
| <DT><B>Throws:</B> |
| <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/sql/SQLException.html?is-external=true" title="class or interface in java.sql">SQLException</A></CODE> - if the argument is null</DL> |
| </DL> |
| <HR> |
| |
| <A NAME="JDBCRowId(java.sql.RowId)"><!-- --></A><H3> |
| JDBCRowId</H3> |
| <PRE> |
| public <B>JDBCRowId</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/sql/RowId.html?is-external=true" title="class or interface in java.sql">RowId</A> id) |
| throws <A HREF="http://java.sun.com/javase/6/docs/api/java/sql/SQLException.html?is-external=true" title="class or interface in java.sql">SQLException</A></PRE> |
| <DL> |
| <DD>Constructs a new JDBCRowId instance whose internal octet sequence is |
| is a copy of the octet sequence of the given RowId object. <p> |
| <P> |
| <DL> |
| <DT><B>Parameters:</B><DD><CODE>id</CODE> - the octet sequence representing the Rowid value |
| <DT><B>Throws:</B> |
| <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/sql/SQLException.html?is-external=true" title="class or interface in java.sql">SQLException</A></CODE> - if the argument is null</DL> |
| </DL> |
| <HR> |
| |
| <A NAME="JDBCRowId(java.lang.String)"><!-- --></A><H3> |
| JDBCRowId</H3> |
| <PRE> |
| public <B>JDBCRowId</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> hex) |
| throws <A HREF="http://java.sun.com/javase/6/docs/api/java/sql/SQLException.html?is-external=true" title="class or interface in java.sql">SQLException</A></PRE> |
| <DL> |
| <DD>Constructs a new JDBCRowId instance whose internal octet sequence is |
| is that represented by the given hexidecimal character sequence. <p> |
| <P> |
| <DL> |
| <DT><B>Parameters:</B><DD><CODE>hex</CODE> - the hexadecimal character sequence from which to derive |
| the internal octet sequence |
| <DT><B>Throws:</B> |
| <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/sql/SQLException.html?is-external=true" title="class or interface in java.sql">SQLException</A></CODE> - if the argument is null or is not a valid |
| hexadecimal character sequence</DL> |
| </DL> |
| |
| <!-- ============ METHOD DETAIL ========== --> |
| |
| <A NAME="method_detail"><!-- --></A> |
| <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
| <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
| <TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2"> |
| <B>Method Detail</B></FONT></TH> |
| </TR> |
| </TABLE> |
| |
| <A NAME="equals(java.lang.Object)"><!-- --></A><H3> |
| equals</H3> |
| <PRE> |
| public boolean <B>equals</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A> obj)</PRE> |
| <DL> |
| <DD>Compares this <code>RowId</code> to the specified object. The result is |
| <code>true</code> if and only if the argument is not null and is a RowId |
| object that represents the same ROWID as this object. |
| <p> |
| It is important |
| to consider both the origin and the valid lifetime of a <code>RowId</code> |
| when comparing it to another <code>RowId</code>. If both are valid, and |
| both are from the same table on the same data source, then if they are equal |
| they identify |
| the same row; if one or more is no longer guaranteed to be valid, or if |
| they originate from different data sources, or different tables on the |
| same data source, they may be equal but still |
| not identify the same row. |
| <P> |
| <DD><DL> |
| <DT><B>Specified by:</B><DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/sql/RowId.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.sql">equals</A></CODE> in interface <CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/sql/RowId.html?is-external=true" title="class or interface in java.sql">RowId</A></CODE><DT><B>Overrides:</B><DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.lang">equals</A></CODE> in class <CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A></CODE></DL> |
| </DD> |
| <DD><DL> |
| <DT><B>Parameters:</B><DD><CODE>obj</CODE> - the <code>Object</code> to compare this <code>RowId</code> object |
| against. |
| <DT><B>Returns:</B><DD>true if the <code>RowId</code>s are equal; false otherwise<DT><B>Since:</B></DT> |
| <DD>JDK 1.6, HSQLDB 2.0</DD> |
| </DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="getBytes()"><!-- --></A><H3> |
| getBytes</H3> |
| <PRE> |
| public byte[] <B>getBytes</B>()</PRE> |
| <DL> |
| <DD>Returns an array of bytes representing the value of the SQL <code>ROWID</code> |
| designated by this <code>java.sql.RowId</code> object. |
| <P> |
| <DD><DL> |
| <DT><B>Specified by:</B><DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/sql/RowId.html?is-external=true#getBytes()" title="class or interface in java.sql">getBytes</A></CODE> in interface <CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/sql/RowId.html?is-external=true" title="class or interface in java.sql">RowId</A></CODE></DL> |
| </DD> |
| <DD><DL> |
| |
| <DT><B>Returns:</B><DD>an array of bytes, whose length is determined by the driver supplying |
| the connection, representing the value of the ROWID designated by this |
| java.sql.RowId object.</DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="toString()"><!-- --></A><H3> |
| toString</H3> |
| <PRE> |
| public <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> <B>toString</B>()</PRE> |
| <DL> |
| <DD>Returns a String representing the value of the SQL ROWID designated by this |
| <code>java.sql.RowId</code> object. |
| <p> |
| Like <code>java.sql.Date.toString()</code> |
| returns the contents of its DATE as the <code>String</code> "2004-03-17" |
| rather than as DATE literal in SQL (which would have been the <code>String</code> |
| DATE "2004-03-17"), toString() |
| returns the contents of its ROWID in a form specific to the driver supplying |
| the connection, and possibly not as a <code>ROWID</code> literal. |
| <P> |
| <DD><DL> |
| <DT><B>Specified by:</B><DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/sql/RowId.html?is-external=true#toString()" title="class or interface in java.sql">toString</A></CODE> in interface <CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/sql/RowId.html?is-external=true" title="class or interface in java.sql">RowId</A></CODE><DT><B>Overrides:</B><DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#toString()" title="class or interface in java.lang">toString</A></CODE> in class <CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A></CODE></DL> |
| </DD> |
| <DD><DL> |
| |
| <DT><B>Returns:</B><DD>a String whose format is determined by the driver supplying the |
| connection, representing the value of the <code>ROWID</code> designated |
| by this <code>java.sql.RowId</code> object.</DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="hashCode()"><!-- --></A><H3> |
| hashCode</H3> |
| <PRE> |
| public int <B>hashCode</B>()</PRE> |
| <DL> |
| <DD>Returns a hash code value of this <code>RowId</code> object. |
| <P> |
| <DD><DL> |
| <DT><B>Specified by:</B><DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/sql/RowId.html?is-external=true#hashCode()" title="class or interface in java.sql">hashCode</A></CODE> in interface <CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/sql/RowId.html?is-external=true" title="class or interface in java.sql">RowId</A></CODE><DT><B>Overrides:</B><DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#hashCode()" title="class or interface in java.lang">hashCode</A></CODE> in class <CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A></CODE></DL> |
| </DD> |
| <DD><DL> |
| |
| <DT><B>Returns:</B><DD>a hash code for the <code>RowId</code></DL> |
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