Java Doc for DiffFeatureReader.java in » GIS » GeoTools-2.4.1 » org » geotools » data » 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

Source Cross Reference

Class Diagram

Java Document (Java Doc)

java.lang .Object

org.geotools.data .DiffFeatureReader

DiffFeatureReader
public class DiffFeatureReader implements FeatureReader(Code)
	A FeatureReader that considers differences. Used to implement In-Process Transaction support. This implementation will need to peek ahead in order to check for deletetions. author: Jody Garnett, Refractions Research

Field Summary
Diff	diff
Feature	next
FeatureReader	reader

Constructor Summary
public	DiffFeatureReader(FeatureReader reader, Diff diff2) This constructor grabs a "copy" of the current diff. This reader is not "live" to changes over the course of the Transaction.
public	DiffFeatureReader(FeatureReader reader, Diff diff2, Filter filter) This constructor grabs a "copy" of the current diff. This reader is not "live" to changes over the course of the Transaction.

Method Summary
public void	close()
protected Envelope	extractBboxForSpatialIndexQuery(GeometryFilter f)
public FeatureType	getFeatureType()
protected List	getIndexedFeatures()
public boolean	hasNext()
protected boolean	isDefaultGeometry(AttributeExpression ae)
protected boolean	isSubsetOfBboxFilter(Filter f)
public Feature	next()
protected void	queryAdded()
protected void	queryDiff()
protected void	queryFidFilter()
protected void	queryModified()
protected void	querySpatialIndex()

Field Detail

diff
Diff diff(Code)

next
Feature next(Code)
	Next value as peeked by hasNext()

reader
FeatureReader reader(Code)

Constructor Detail

DiffFeatureReader
public DiffFeatureReader(FeatureReader reader, Diff diff2)(Code)
	This constructor grabs a "copy" of the current diff. This reader is not "live" to changes over the course of the Transaction. (Iterators are not always stable of the course of modifications) Parameters: reader - Parameters: diff2 - Differences of Feature by FID

DiffFeatureReader
public DiffFeatureReader(FeatureReader reader, Diff diff2, Filter filter)(Code)
	This constructor grabs a "copy" of the current diff. This reader is not "live" to changes over the course of the Transaction. (Iterators are not always stable of the course of modifications) Parameters: reader - Parameters: diff2 - Differences of Feature by FID

Method Detail

close
public void close() throws IOException(Code)
	See Also: org.geotools.data.FeatureReader.close

extractBboxForSpatialIndexQuery
protected Envelope extractBboxForSpatialIndexQuery(GeometryFilter f)(Code)

getFeatureType
public FeatureType getFeatureType()(Code)
	See Also: org.geotools.data.FeatureReader.getFeatureType

getIndexedFeatures
protected List getIndexedFeatures()(Code)

hasNext
public boolean hasNext() throws IOException(Code)
	See Also: org.geotools.data.FeatureReader.hasNext

isDefaultGeometry
protected boolean isDefaultGeometry(AttributeExpression ae)(Code)

isSubsetOfBboxFilter
protected boolean isSubsetOfBboxFilter(Filter f)(Code)

next
public Feature next() throws IOException, IllegalAttributeException, NoSuchElementException(Code)
	See Also: org.geotools.data.FeatureReader.next

queryAdded
protected void queryAdded()(Code)

queryDiff
protected void queryDiff()(Code)

queryFidFilter
protected void queryFidFilter()(Code)

queryModified
protected void queryModified()(Code)

querySpatialIndex
protected void querySpatialIndex()(Code)

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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