org.geotools.data
Class MaxFeatureReader<T extends FeatureType,F extends Feature>
Object
MaxFeatureReader<T,F>
- All Implemented Interfaces:
- Closeable, DelegatingFeatureReader<T,F>, FeatureReader<T,F>
public class MaxFeatureReader<T extends FeatureType,F extends Feature>
- extends Object
- implements DelegatingFeatureReader<T,F>
Basic support for a FeatureReader that limits itself to the number of
features passed in.
- Author:
- Chris Holmes
Methods inherited from class Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
featureReader
protected final FeatureReader<T extends FeatureType,F extends Feature> featureReader
maxFeatures
protected final int maxFeatures
counter
protected int counter
MaxFeatureReader
public MaxFeatureReader(FeatureReader<T,F> featureReader,
int maxFeatures)
- Creates a new instance of MaxFeatureReader
- Parameters:
featureReader
- FeatureReader being maxedmaxFeatures
- DOCUMENT ME!
getDelegate
public FeatureReader<T,F> getDelegate()
- Specified by:
getDelegate
in interface DelegatingFeatureReader<T extends FeatureType,F extends Feature>
- Returns:
- The delegate feature reader.
next
public F next()
throws IOException,
IllegalAttributeException,
NoSuchElementException
- Description copied from interface:
FeatureReader
- Reads the next Feature in the FeatureReader.
- Specified by:
next
in interface FeatureReader<T extends FeatureType,F extends Feature>
- Returns:
- The next feature in the reader.
- Throws:
IOException
- If an error occurs reading the Feature.
IllegalAttributeException
- If the attributes read do not comply
with the FeatureType.
NoSuchElementException
- If there are no more Features in the
Reader.
close
public void close()
throws IOException
- Description copied from interface:
FeatureReader
- Release the underlying resources associated with this stream.
- Specified by:
close
in interface Closeable
- Specified by:
close
in interface FeatureReader<T extends FeatureType,F extends Feature>
- Throws:
IOException
- if an I/O error occurs
getFeatureType
public T getFeatureType()
- Description copied from interface:
FeatureReader
- Return the FeatureType this reader has been configured to create.
- Specified by:
getFeatureType
in interface FeatureReader<T extends FeatureType,F extends Feature>
- Returns:
- the FeatureType of the Features this FeatureReader will create.
hasNext
public boolean hasNext()
throws IOException
-
- Specified by:
hasNext
in interface FeatureReader<T extends FeatureType,F extends Feature>
- Returns:
true
if the featureReader has not passed the max
and still has more features.
- Throws:
IOException
- If the reader we are filtering encounters a problem
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