Java Doc for JDBCFeatureCollection.java in  » GIS » GeoTools-2.4.1 » org » geotools » data » jdbc » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » GIS » GeoTools 2.4.1 » org.geotools.data.jdbc 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


org.geotools.data.DefaultFeatureResults
   org.geotools.data.jdbc.JDBCFeatureCollection

All known Subclasses:   org.geotools.data.postgis.collection.PostgisFeatureCollection,
JDBCFeatureCollection
public class JDBCFeatureCollection extends DefaultFeatureResults (Code)

since:
   2.2.0

Inner Class :class ExpressionSimplifier extends DefaultFilterVisitor

Field Summary
public  booleanisOptimized
     The logger for the filter module.

Constructor Summary
public  JDBCFeatureCollection(JDBCFeatureSource source, Query query)
    

Method Summary
public  voidaccepts(FeatureVisitor visitor, ProgressListener progress)
     Accepts FeatureVisitors.
 Objectaggregate(String aggregate, Expression expression)
    
 Objectaverage(Expression expression)
    
 Objectcount(Expression expression)
    
 ConnectiongetConnection()
    
public  intgetCount()
     Performs optimized count if possible.
 JDBC1DataStoregetDataStore()
    
 JDBCFeatureSourcegetFeatureSource()
    
 Objectmax(Expression expression)
    
 Objectmedian(Expression expression)
    
 Objectmin(Expression expression)
    
public  FeatureReaderreader()
    
 Objectsum(Expression expression)
    
 Objectunique(Expression expression)
    

Field Detail
isOptimized
public boolean isOptimized(Code)
The logger for the filter module.




Constructor Detail
JDBCFeatureCollection
public JDBCFeatureCollection(JDBCFeatureSource source, Query query) throws IOException(Code)




Method Detail
accepts
public void accepts(FeatureVisitor visitor, ProgressListener progress) throws IOException(Code)
Accepts FeatureVisitors.

Note for some FeatureCalc visitors an optimized code path will be used.


Parameters:
  visitor - DOCUMENT ME!
throws:
  IOException - DOCUMENT ME!



aggregate
Object aggregate(String aggregate, Expression expression) throws IOException(Code)



average
Object average(Expression expression) throws IOException(Code)



count
Object count(Expression expression) throws IOException(Code)



getConnection
Connection getConnection() throws IOException(Code)



getCount
public int getCount() throws IOException(Code)
Performs optimized count if possible.
throws:
  IOException -
See Also:   org.geotools.data.DefaultFeatureResults.getCount



getDataStore
JDBC1DataStore getDataStore()(Code)



getFeatureSource
JDBCFeatureSource getFeatureSource()(Code)



max
Object max(Expression expression) throws IOException(Code)



median
Object median(Expression expression) throws IOException(Code)



min
Object min(Expression expression) throws IOException(Code)



reader
public FeatureReader reader() throws IOException(Code)
JDBCDataStore has a more direct query method DOCUMENT ME!
throws:
  IOException - DOCUMENT ME!



sum
Object sum(Expression expression) throws IOException(Code)



unique
Object unique(Expression expression) throws IOException(Code)



Fields inherited from org.geotools.data.DefaultFeatureResults
protected FeatureSource featureSource(Code)(Java Doc)
protected Query query(Code)(Java Doc)
protected FeatureType schema(Code)(Java Doc)
protected MathTransform transform(Code)(Java Doc)

Methods inherited from org.geotools.data.DefaultFeatureResults
protected FeatureReader boundsReader() throws IOException(Code)(Java Doc)
public FeatureCollection collection() throws IOException(Code)(Java Doc)
public ReferencedEnvelope getBounds()(Code)(Java Doc)
public int getCount() throws IOException(Code)(Java Doc)
public FeatureType getSchema()(Code)(Java Doc)
protected Transaction getTransaction()(Code)(Java Doc)
public FeatureReader reader() throws IOException(Code)(Java Doc)

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