org.geotools.data
Class MaxFeatureReader<T extends org.opengis.feature.type.FeatureType,F extends org.opengis.feature.Feature>
java.lang.Object
org.geotools.data.MaxFeatureReader<T,F>
- All Implemented Interfaces:
- DelegatingFeatureReader<T,F>, FeatureReader<T,F>
public class MaxFeatureReader<T extends org.opengis.feature.type.FeatureType,F extends org.opengis.feature.Feature>
- extends java.lang.Object
- implements DelegatingFeatureReader<T,F>
Basic support for a FeatureReader that limits itself to the number of
features passed in.
- Version:
- $Id: MaxFeatureReader.java 31406 2008-09-05 02:11:38Z jdeolive $
- Author:
- Chris Holmes
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
featureReader
protected final FeatureReader<T extends org.opengis.feature.type.FeatureType,F extends org.opengis.feature.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 org.opengis.feature.type.FeatureType,F extends org.opengis.feature.Feature>
- Returns:
- The delegate feature reader.
next
public F next()
throws java.io.IOException,
IllegalAttributeException,
java.util.NoSuchElementException
- Description copied from interface:
FeatureReader
- Reads the next Feature in the FeatureReader.
- Specified by:
next
in interface FeatureReader<T extends org.opengis.feature.type.FeatureType,F extends org.opengis.feature.Feature>
- Returns:
- The next feature in the reader.
- Throws:
java.io.IOException
- If an error occurs reading the Feature.
IllegalAttributeException
- If the attributes read do not comply
with the FeatureType.
java.util.NoSuchElementException
- If there are no more Features in the
Reader.
close
public void close()
throws java.io.IOException
- Description copied from interface:
FeatureReader
- Release the underlying resources associated with this stream.
- Specified by:
close
in interface FeatureReader<T extends org.opengis.feature.type.FeatureType,F extends org.opengis.feature.Feature>
- Throws:
java.io.IOException
- DOCUMENT ME!
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 org.opengis.feature.type.FeatureType,F extends org.opengis.feature.Feature>
- Returns:
- the FeatureType of the Features this FeatureReader will create.
hasNext
public boolean hasNext()
throws java.io.IOException
-
- Specified by:
hasNext
in interface FeatureReader<T extends org.opengis.feature.type.FeatureType,F extends org.opengis.feature.Feature>
- Returns:
true
if the featureReader has not passed the max
and still has more features.
- Throws:
java.io.IOException
- If the reader we are filtering encounters a problem
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