Java Doc for InMemoryFeatureCache.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.caching.impl.InMemoryFeatureCache InMemoryFeatureCache public class InMemoryFeatureCache implements FeatureCache(Code) An implementation of FeatureCache : with in memory storage uses a RTree to index features uses a SpatialQueryTracker to track query bounds Parameters:   ds - the DataStore to cache Parameters:   t - the FeatureTypeTODO: add constructor InMemoryFeatureCache(FeatureStore) author:    Christophe Rousson, SoC 2007, CRG-ULAVAL Inner Class :class EvictionQueryStrategy implements IQueryStrategy Field Summary protected  int cacheReads      protected  int capacity      final protected  DataStore ds      protected  int evictions      final protected  RTree index      final protected  Hashtable nodes      final protected  HashMap store      protected  int storeReads      final protected  SpatialQueryTracker tracker      protected  Transaction transaction      final protected  FeatureType type      Constructor Summary public   InMemoryFeatureCache(DataStore ds, FeatureType t, int capacity)      Method Summary public  void addFeatureListener(FeatureListener listener)      public  Set addFeatures(FeatureCollection collection)      public  void clear()      public  void evict()      public  Feature get(String id)      public  Envelope getBounds()      public  Envelope getBounds(Query query)      public  int getCacheReads()      public  int getCount(Query query)      public  DataStore getDataStore()      public  int getEvictions()      public  FeatureCollection getFeatures()      public  FeatureCollection getFeatures(Query query)      public  FeatureCollection getFeatures(Filter filter)      public  FeatureType getSchema()      public  int getStoreReads()      public  Transaction getTransaction()      protected  FeatureCollection loadFromCache(Filter f)      protected  FeatureCollection loadFromStore(Filter f)      public  void modifyFeatures(AttributeType[] type, Object[] value, Filter filter)      public  void modifyFeatures(AttributeType type, Object value, Filter filter)      public  Feature peek(String id)      public  void put(Feature f)      public  void putAll(FeatureCollection fc, Filter f)      public  Feature remove(String id)      public  void removeFeatureListener(FeatureListener listener)      public  void removeFeatures(Filter filter)      public  void setFeatures(FeatureReader reader)      public  void setTransaction(Transaction transaction)      public  int size()      public  Filter[] splitFilter(Filter f)      protected static  Region toRegion(Envelope e)      Field Detail cacheReads protected int cacheReads(Code) capacity protected int capacity(Code) ds final protected DataStore ds(Code) evictions protected int evictions(Code) index final protected RTree index(Code) nodes final protected Hashtable nodes(Code) store final protected HashMap store(Code) storeReads protected int storeReads(Code) tracker final protected SpatialQueryTracker tracker(Code) transaction protected Transaction transaction(Code) type final protected FeatureType type(Code) Constructor Detail InMemoryFeatureCache public InMemoryFeatureCache(DataStore ds, FeatureType t, int capacity) throws FeatureCacheException(Code) Create a new InMemoryFeatureCache Parameters:   ds - the source DataStore for features Parameters:   t - FeatureType to cache throws:   FeatureCacheException - if DataStore does not have type t, or if IOException occurs Method Detail addFeatureListener public void addFeatureListener(FeatureListener listener)(Code) addFeatures public Set addFeatures(FeatureCollection collection) throws IOException(Code) clear public void clear()(Code) evict public void evict()(Code) get public Feature get(String id) throws FeatureCacheException(Code) getBounds public Envelope getBounds() throws IOException(Code) getBounds public Envelope getBounds(Query query) throws IOException(Code) getCacheReads public int getCacheReads()(Code) getCount public int getCount(Query query) throws IOException(Code) getDataStore public DataStore getDataStore()(Code) getEvictions public int getEvictions()(Code) getFeatures public FeatureCollection getFeatures() throws IOException(Code) getFeatures public FeatureCollection getFeatures(Query query) throws IOException(Code) getFeatures public FeatureCollection getFeatures(Filter filter) throws IOException(Code) getSchema public FeatureType getSchema()(Code) getStoreReads public int getStoreReads()(Code) getTransaction public Transaction getTransaction()(Code) loadFromCache protected FeatureCollection loadFromCache(Filter f)(Code) loadFromStore protected FeatureCollection loadFromStore(Filter f) throws IOException(Code) modifyFeatures public void modifyFeatures(AttributeType[] type, Object[] value, Filter filter) throws IOException(Code) modifyFeatures public void modifyFeatures(AttributeType type, Object value, Filter filter) throws IOException(Code) peek public Feature peek(String id)(Code) Parameters:   id - put public void put(Feature f)(Code) putAll public void putAll(FeatureCollection fc, Filter f)(Code) remove public Feature remove(String id)(Code) removeFeatureListener public void removeFeatureListener(FeatureListener listener)(Code) removeFeatures public void removeFeatures(Filter filter) throws IOException(Code) setFeatures public void setFeatures(FeatureReader reader) throws IOException(Code) setTransaction public void setTransaction(Transaction transaction)(Code) size public int size()(Code) splitFilter public Filter[] splitFilter(Filter f)(Code) toRegion protected static Region toRegion(Envelope e)(Code) Transform a JTS Envelope to a Region Parameters:   e - JTS Envelope 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)