Java Doc for InMemoryDataCache.java in  » GIS » GeoTools-2.4.1 » org » geotools » caching » impl » 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.caching.impl 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   org.geotools.data.AbstractDataStore
      org.geotools.caching.impl.InMemoryDataCache

InMemoryDataCache
public class InMemoryDataCache extends AbstractDataStore implements DataCache(Code)
Implementation of DataCache that uses in-memory storage, spatial query tracker and spatial index. IMPORTANT : for the time being, this class provides cache facility only when using getView(Query) method. Other methods simply delegate to source DataStore.
author:
   Christophe Rousson, SoC 2007, CRG-ULAVAL



Constructor Summary
public  InMemoryDataCache(DataStore ds)
     Creates a new DataCache on top of DataStore ds.

Method Summary
public  voidclear()
    
protected  FeatureWritercreateFeatureWriter(String typeName, Transaction transaction)
    
public  voidcreateSchema(FeatureType ft)
    
public  voidflush()
    
protected  EnvelopegetBounds(Query query)
    
protected  intgetCount(Query query)
    
protected  FeatureReadergetFeatureReader(String typeName)
    
public  longgetHits()
    
public  FeatureTypegetSchema(String ft)
    
public  String[]getTypeNames()
    
public  FeatureSourcegetView(Query q)
    
public  voidupdateSchema(String ftname, FeatureType ft)
    


Constructor Detail
InMemoryDataCache
public InMemoryDataCache(DataStore ds)(Code)
Creates a new DataCache on top of DataStore ds.
Parameters:
  ds - the DataStore to cache.




Method Detail
clear
public void clear()(Code)



createFeatureWriter
protected FeatureWriter createFeatureWriter(String typeName, Transaction transaction) throws IOException(Code)



createSchema
public void createSchema(FeatureType ft) throws IOException(Code)



flush
public void flush() throws IllegalStateException(Code)



getBounds
protected Envelope getBounds(Query query) throws IOException(Code)



getCount
protected int getCount(Query query) throws IOException(Code)



getFeatureReader
protected FeatureReader getFeatureReader(String typeName) throws IOException(Code)



getHits
public long getHits()(Code)



getSchema
public FeatureType getSchema(String ft) throws IOException(Code)



getTypeNames
public String[] getTypeNames() throws IOException(Code)



getView
public FeatureSource getView(Query q) throws IOException, SchemaException(Code)



updateSchema
public void updateSchema(String ftname, FeatureType ft)(Code)



Fields inherited from org.geotools.data.AbstractDataStore
final protected static Logger LOGGER(Code)(Java Doc)
final protected boolean isWriteable(Code)(Java Doc)
public FeatureListenerManager listenerManager(Code)(Java Doc)

Methods inherited from org.geotools.data.AbstractDataStore
protected FeatureWriter createFeatureWriter(String typeName, Transaction transaction) throws IOException(Code)(Java Doc)
protected InProcessLockingManager createLockingManager()(Code)(Java Doc)
protected Map createMetadata(String typeName)(Code)(Java Doc)
public void createSchema(FeatureType featureType) throws IOException(Code)(Java Doc)
public void dispose()(Code)(Java Doc)
protected Envelope getBounds(Query query) throws IOException(Code)(Java Doc)
protected int getCount(Query query) throws IOException(Code)(Java Doc)
abstract protected FeatureReader getFeatureReader(String typeName) throws IOException(Code)(Java Doc)
public FeatureReader getFeatureReader(Query query, Transaction transaction) throws IOException(Code)(Java Doc)
protected FeatureReader getFeatureReader(String typeName, Query query) throws IOException(Code)(Java Doc)
public FeatureSource getFeatureSource(String typeName) throws IOException(Code)(Java Doc)
protected FeatureWriter getFeatureWriter(String typeName) throws IOException(Code)(Java Doc)
public FeatureWriter getFeatureWriter(String typeName, Filter filter, Transaction transaction) throws IOException(Code)(Java Doc)
public FeatureWriter getFeatureWriter(String typeName, Transaction transaction) throws IOException(Code)(Java Doc)
public FeatureWriter getFeatureWriterAppend(String typeName, Transaction transaction) throws IOException(Code)(Java Doc)
public LockingManager getLockingManager()(Code)(Java Doc)
abstract public FeatureType getSchema(String typeName) throws IOException(Code)(Java Doc)
protected Set getSupportedHints()(Code)(Java Doc)
abstract public String[] getTypeNames() throws IOException(Code)(Java Doc)
protected Filter getUnsupportedFilter(String typeName, Filter filter)(Code)(Java Doc)
public FeatureSource getView(Query query) throws IOException, SchemaException(Code)(Java Doc)
public void updateSchema(String typeName, FeatureType featureType)(Code)(Java Doc)

Methods inherited from java.lang.Object
native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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