postgisfeaturelocking.html

Geotools是一个开源的Java GIS工具包,可利用它来开发符合标准的地理信息系统。Geotools提供了OGC(Open Geospatial Consortium)规范的一个实现来作为他们的

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<B>Method Summary</B></FONT></TD>
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<CODE>&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/geotools/data/postgis/PostgisFeatureLocking.html#lockFeature(org.geotools.feature.Feature)">lockFeature</A></B>(<A HREF="../../../../org/geotools/feature/Feature.html" title="interface in org.geotools.feature">Feature</A>&nbsp;feature)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;HACK HACK HACK!!!  </TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/geotools/data/postgis/PostgisFeatureLocking.html#lockFeatures()">lockFeatures</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Lock all Features</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/geotools/data/postgis/PostgisFeatureLocking.html#lockFeatures(org.geotools.filter.Filter)">lockFeatures</A></B>(<A HREF="../../../../org/geotools/filter/Filter.html" title="interface in org.geotools.filter">Filter</A>&nbsp;filter)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Lock features matching <code>filter</code>.</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/geotools/data/postgis/PostgisFeatureLocking.html#lockFeatures(org.geotools.data.Query)">lockFeatures</A></B>(<A HREF="../../../../org/geotools/data/Query.html" title="interface in org.geotools.data">Query</A>&nbsp;query)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Lock features matching Query.
 
 </TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/geotools/data/postgis/PostgisFeatureLocking.html#setFeatureLock(org.geotools.data.FeatureLock)">setFeatureLock</A></B>(<A HREF="../../../../org/geotools/data/FeatureLock.html" title="interface in org.geotools.data">FeatureLock</A>&nbsp;lock)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Provide a FeatureLock for locking opperations to opperate against.
 
 </TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/geotools/data/postgis/PostgisFeatureLocking.html#unLockFeatures()">unLockFeatures</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Unlock all Features.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/geotools/data/postgis/PostgisFeatureLocking.html#unLockFeatures(org.geotools.filter.Filter)">unLockFeatures</A></B>(<A HREF="../../../../org/geotools/filter/Filter.html" title="interface in org.geotools.filter">Filter</A>&nbsp;filter)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Unlock Features specified by <code>filter</code>.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/geotools/data/postgis/PostgisFeatureLocking.html#unLockFeatures(org.geotools.data.Query)">unLockFeatures</A></B>(<A HREF="../../../../org/geotools/data/Query.html" title="interface in org.geotools.data">Query</A>&nbsp;query)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Unlock features specified by the <code>query</code>.
 
 </TD>
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&nbsp;<A NAME="methods_inherited_from_class_PostgisFeatureStore"><!-- --></A>
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<TD><B>Methods inherited from class <A HREF="../../../../org/geotools/data/postgis/PostgisFeatureStore.html" title="class in org.geotools.data.postgis">PostgisFeatureStore</A></B></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../../org/geotools/data/postgis/PostgisFeatureStore.html#bounds(org.geotools.data.Query)">bounds</A>, <A HREF="../../../../org/geotools/data/postgis/PostgisFeatureStore.html#getBounds()">getBounds</A>, <A HREF="../../../../org/geotools/data/postgis/PostgisFeatureStore.html#getBounds(org.geotools.data.Query)">getBounds</A>, <A HREF="../../../../org/geotools/data/postgis/PostgisFeatureStore.html#getEnvelope(java.sql.Connection, java.lang.String, org.geotools.data.jdbc.SQLBuilder, org.geotools.filter.Filter)">getEnvelope</A>, <A HREF="../../../../org/geotools/data/postgis/PostgisFeatureStore.html#getPostgisDataStore()">getPostgisDataStore</A>, <A HREF="../../../../org/geotools/data/postgis/PostgisFeatureStore.html#getSRID(java.lang.String)">getSRID</A>, <A HREF="../../../../org/geotools/data/postgis/PostgisFeatureStore.html#makeSql(org.geotools.data.Query)">makeSql</A>, <A HREF="../../../../org/geotools/data/postgis/PostgisFeatureStore.html#makeSql(org.geotools.filter.SQLUnpacker, org.geotools.data.Query)">makeSql</A>, <A HREF="../../../../org/geotools/data/postgis/PostgisFeatureStore.html#modifyFeatures(org.geotools.feature.AttributeType[], java.lang.Object[], org.geotools.filter.Filter)">modifyFeatures</A>, <A HREF="../../../../org/geotools/data/postgis/PostgisFeatureStore.html#modifyFeatures(org.geotools.feature.AttributeType, java.lang.Object, org.geotools.filter.Filter)">modifyFeatures</A>, <A HREF="../../../../org/geotools/data/postgis/PostgisFeatureStore.html#removeFeatures(org.geotools.filter.Filter)">removeFeatures</A></CODE></TD>
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&nbsp;<A NAME="methods_inherited_from_class_JDBCFeatureStore"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
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<TD><B>Methods inherited from class <A HREF="../../../../org/geotools/data/jdbc/JDBCFeatureStore.html" title="class in org.geotools.data.jdbc">JDBCFeatureStore</A></B></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../../org/geotools/data/jdbc/JDBCFeatureStore.html#addFeatures(org.geotools.feature.FeatureCollection)">addFeatures</A>, <A HREF="../../../../org/geotools/data/jdbc/JDBCFeatureStore.html#addFeatures(org.geotools.data.FeatureReader)">addFeatures</A>, <A HREF="../../../../org/geotools/data/jdbc/JDBCFeatureStore.html#assertFids(java.util.Set)">assertFids</A>, <A HREF="../../../../org/geotools/data/jdbc/JDBCFeatureStore.html#assertFilter(org.geotools.filter.Filter)">assertFilter</A>, <A HREF="../../../../org/geotools/data/jdbc/JDBCFeatureStore.html#fids(org.geotools.filter.Filter)">fids</A>, <A HREF="../../../../org/geotools/data/jdbc/JDBCFeatureStore.html#getInProcessLockingManager()">getInProcessLockingManager</A>, <A HREF="../../../../org/geotools/data/jdbc/JDBCFeatureStore.html#getTransaction()">getTransaction</A>, <A HREF="../../../../org/geotools/data/jdbc/JDBCFeatureStore.html#modifyFeatures(org.geotools.feature.AttributeType[], java.lang.Object[], org.geotools.data.FeatureWriter)">modifyFeatures</A>, <A HREF="../../../../org/geotools/data/jdbc/JDBCFeatureStore.html#setFeatures(org.geotools.data.FeatureReader)">setFeatures</A>, <A HREF="../../../../org/geotools/data/jdbc/JDBCFeatureStore.html#setTransaction(org.geotools.data.Transaction)">setTransaction</A></CODE></TD>
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&nbsp;<A NAME="methods_inherited_from_class_JDBCFeatureSource"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TD><B>Methods inherited from class <A HREF="../../../../org/geotools/data/jdbc/JDBCFeatureSource.html" title="class in org.geotools.data.jdbc">JDBCFeatureSource</A></B></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../../org/geotools/data/jdbc/JDBCFeatureSource.html#addFeatureListener(org.geotools.data.FeatureListener)">addFeatureListener</A>, <A HREF="../../../../org/geotools/data/jdbc/JDBCFeatureSource.html#close(java.sql.Connection, org.geotools.data.Transaction, java.sql.SQLException)">close</A>, <A HREF="../../../../org/geotools/data/jdbc/JDBCFeatureSource.html#close(java.sql.ResultSet)">close</A>, <A HREF="../../../../org/geotools/data/jdbc/JDBCFeatureSource.html#close(java.sql.Statement)">close</A>, <A HREF="../../../../org/geotools/data/jdbc/JDBCFeatureSource.html#count(org.geotools.data.Query, org.geotools.data.Transaction)">count</A>, <A HREF="../../../../org/geotools/data/jdbc/JDBCFeatureSource.html#getConnection()">getConnection</A>, <A HREF="../../../../org/geotools/data/jdbc/JDBCFeatureSource.html#getCount(org.geotools.data.Query)">getCount</A>, <A HREF="../../../../org/geotools/data/jdbc/JDBCFeatureSource.html#getDataStore()">getDataStore</A>, <A HREF="../../../../org/geotools/data/jdbc/JDBCFeatureSource.html#getFeatures()">getFeatures</A>, <A HREF="../../../../org/geotools/data/jdbc/JDBCFeatureSource.html#getFeatures(org.geotools.filter.Filter)">getFeatures</A>, <A HREF="../../../../org/geotools/data/jdbc/JDBCFeatureSource.html#getFeatures(org.geotools.data.Query)">getFeatures</A>, <A HREF="../../../../org/geotools/data/jdbc/JDBCFeatureSource.html#getJDBCDataStore()">getJDBCDataStore</A>, <A HREF="../../../../org/geotools/data/jdbc/JDBCFeatureSource.html#getSchema()">getSchema</A>, <A HREF="../../../../org/geotools/data/jdbc/JDBCFeatureSource.html#removeFeatureListener(org.geotools.data.FeatureListener)">removeFeatureListener</A></CODE></TD>
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&nbsp;<A NAME="methods_inherited_from_class_Object"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TD><B>Methods inherited from class <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A></B></TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#clone()" title="class or interface in java.lang">clone</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#equals(java.lang.Object)" title="class or interface in java.lang">equals</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#finalize()" title="class or interface in java.lang">finalize</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#getClass()" title="class or interface in java.lang">getClass</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#hashCode()" title="class or interface in java.lang">hashCode</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#notify()" title="class or interface in java.lang">notify</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#notifyAll()" title="class or interface in java.lang">notifyAll</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#toString()" title="class or interface in java.lang">toString</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#wait()" title="class or interface in java.lang">wait</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#wait(long)" title="class or interface in java.lang">wait</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#wait(long, int)" title="class or interface in java.lang">wait</A></CODE></TD>
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&nbsp;<A NAME="methods_inherited_from_class_FeatureStore"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TD><B>Methods inherited from interface <A HREF="../../../../org/geotools/data/FeatureStore.html" title="interface in org.geotools.data">FeatureStore</A></B></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../../org/geotools/data/FeatureStore.html#addFeatures(org.geotools.feature.FeatureCollection)">addFeatures</A>, <A HREF="../../../../org/geotools/data/FeatureStore.html#addFeatures(org.geotools.data.FeatureReader)">addFeatures</A>, <A HREF="../../../../org/geotools/data/FeatureStore.html#getTransaction()">getTransaction</A>, <A HREF="../../../../org/geotools/data/FeatureStore.html#modifyFeatures(org.geotools.feature.AttributeType[], java.lang.Object[], org.geotools.filter.Filter)">modifyFeatures</A>, <A HREF="../../../../org/geotools/data/FeatureStore.html#modifyFeatures(org.geotools.feature.AttributeType, java.lang.Object, org.geotools.filter.Filter)">modifyFeatures</A>, <A HREF="../../../../org/geotools/data/FeatureStore.html#removeFeatures(org.geotools.filter.Filter)">removeFeatures</A>, <A HREF="../../../../org/geotools/data/FeatureStore.html#setFeatures(org.geotools.data.FeatureReader)">setFeatures</A>, <A HREF="../../../../org/geotools/data/FeatureStore.html#setTransaction(org.geotools.data.Transaction)">setTransaction</A></CODE></TD>
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&nbsp;<A NAME="methods_inherited_from_class_FeatureSource"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TD><B>Methods inherited from interface <A HREF="../../../../org/geotools/data/FeatureSource.html" title="interface in org.geotools.data">FeatureSource</A></B></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../../org/geotools/data/FeatureSource.html#addFeatureListener(org.geotools.data.FeatureListener)">addFeatureListener</A>, <A HREF="../../../../org/geotools/data/FeatureSource.html#getBounds()">getBounds</A>, <A HREF="../../../../org/geotools/data/FeatureSource.html#getBounds(org.geotools.data.Query)">getBounds</A>, <A HREF="../../../../org/geotools/data/FeatureSource.html#getCount(org.geotools.data.Query)">getCount</A>, <A HREF="../../../../org/geotools/data/FeatureSource.html#getDataStore()">getDataStore</A>, <A HREF="../../../../org/geotools/data/FeatureSource.html#getFeatures()">getFeatures</A>, <A HREF="../../../../org/geotools/data/FeatureSource.html#getFeatures(org.geotools.filter.Filter)">getFeatures</A>, <A HREF="../../../../org/geotools/data/FeatureSource.html#getFeatures(org.geotools.data.Query)">getFeatures</A>, <A HREF="../../../../org/geotools/data/FeatureSource.html#getSchema()">getSchema</A>, <A HREF="../../../../org/geotools/data/FeatureSource.html#removeFeatureListener(org.geotools.data.FeatureListener)">removeFeatureListener</A></CODE></TD>
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<P>

<!-- ============ FIELD DETAIL =========== -->


<!-- ========= CONSTRUCTOR DETAIL ======== -->

<A NAME="constructor_detail"><!-- --></A>
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<TD COLSPAN=1><FONT SIZE="+2">
<B>Constructor Detail</B></FONT></TD>
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<A NAME="PostgisFeatureLocking(org.geotools.data.postgis.PostgisDataStore, org.geotools.feature.FeatureType)"><!-- --></A><H3>
PostgisFeatureLocking</H3>
<PRE>
public <B>PostgisFeatureLocking</B>(<A HREF="../../../../org/geotools/data/postgis/PostgisDataStore.html" title="class in org.geotools.data.postgis">PostgisDataStore</A>&nbsp;postgisDataStore,
                             <A HREF="../../../../org/geotools/feature/FeatureType.html" title="interface in org.geotools.feature">FeatureType</A>&nbsp;featureType)
                      throws <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></PRE>
<DL>
</DL>

<!-- ============ METHOD DETAIL ========== -->

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<B>Method Detail</B></FONT></TD>
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<A NAME="setFeatureLock(org.geotools.data.FeatureLock)"><!-- --></A><H3>
setFeatureLock</H3>
<PRE>
public void <B>setFeatureLock</B>(<A HREF="../../../../org/geotools/data/FeatureLock.html" title="interface in org.geotools.data">FeatureLock</A>&nbsp;lock)</PRE>
<DL>
<DD>Provide a FeatureLock for locking opperations to opperate against.
 
 <p>
 Initial Transactional duration locks can be restored with
 setFeatureLock( FetaureLock.TRANSACTION )
 </p>
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/geotools/data/FeatureLocking.html#setFeatureLock(org.geotools.data.FeatureLock)">setFeatureLock</A></CODE> in interface <CODE><A HREF="../../../../org/geotools/data/FeatureLocking.html" title="interface in org.geotools.data">FeatureLocking</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>lock</CODE> - FeatureLock (or FeatureLock.TRANSACTION );
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/NullPointerException.html" title="class or interface in java.lang">NullPointerException</A></CODE> - If lock was <code>null</code><DT><B>See Also:</B><DD><A HREF="../../../../org/geotools/data/FeatureLocking.html#setFeatureLock(org.geotools.data.FeatureLock)"><CODE>FeatureLocking.setFeatureLock(org.geotools.data.FeatureLock)</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="lockFeatures()"><!-- --></A><H3>
lockFeatures</H3>
<PRE>
public int <B>lockFeatures</B>()
                 throws <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD>Lock all Features
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/geotools/data/FeatureLocking.html#lockFeatures()">lockFeatures</A></CODE> in interface <CODE><A HREF="../../../../org/geotools/data/FeatureLocking.html" title="interface in org.geotools.data">FeatureLocking</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>Number of Locked features
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></CODE><DT><B>See Also:</B><DD><A HREF="../../../../org/geotools/data/FeatureLocking.html#lockFeatures()"><CODE>FeatureLocking.lockFeatures()</CODE></A></DL>