Package org.geotools.jdbc
Class JDBCJoiningFilteringFeatureReader
Object
JDBCJoiningFilteringFeatureReader
- All Implemented Interfaces:
Closeable
,AutoCloseable
,DelegatingFeatureReader<SimpleFeatureType,
,SimpleFeature> FeatureReader<SimpleFeatureType,
SimpleFeature>
public class JDBCJoiningFilteringFeatureReader
extends Object
implements DelegatingFeatureReader<SimpleFeatureType,SimpleFeature>
Feature reader that wraps multiple feature readers in a joining / post filtered query.
- Author:
- Justin Deoliveira, OpenGeo
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Constructor Summary
ConstructorsConstructorDescriptionJDBCJoiningFilteringFeatureReader
(FeatureReader<SimpleFeatureType, SimpleFeature> delegate, JoinInfo join) -
Method Summary
Modifier and TypeMethodDescriptionvoid
close()
Release the underlying resources associated with this stream.Return the FeatureType this reader has been configured to create.boolean
hasNext()
Query whether this FeatureReader has another Feature.next()
Reads the next Feature in the FeatureReader.
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Constructor Details
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JDBCJoiningFilteringFeatureReader
public JDBCJoiningFilteringFeatureReader(FeatureReader<SimpleFeatureType, SimpleFeature> delegate, JoinInfo join)
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Method Details
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getDelegate
- Specified by:
getDelegate
in interfaceDelegatingFeatureReader<SimpleFeatureType,
SimpleFeature> - Returns:
- The delegate feature reader.
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getFeatureType
Description copied from interface:FeatureReader
Return the FeatureType this reader has been configured to create.- Specified by:
getFeatureType
in interfaceFeatureReader<SimpleFeatureType,
SimpleFeature> - Returns:
- the FeatureType of the Features this FeatureReader will create.
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hasNext
Description copied from interface:FeatureReader
Query whether this FeatureReader has another Feature.- Specified by:
hasNext
in interfaceFeatureReader<SimpleFeatureType,
SimpleFeature> - Returns:
- True if there are more Features to be read. In other words, true if calls to next would return a feature rather than throwing an exception.
- Throws:
IOException
- If an error occurs determining if there are more Features.
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next
Description copied from interface:FeatureReader
Reads the next Feature in the FeatureReader.- Specified by:
next
in interfaceFeatureReader<SimpleFeatureType,
SimpleFeature> - Returns:
- The next feature in the reader.
- Throws:
IOException
- If an error occurs reading the Feature.NoSuchElementException
- If there are no more Features in the Reader.IllegalArgumentException
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close
Description copied from interface:FeatureReader
Release the underlying resources associated with this stream.- Specified by:
close
in interfaceAutoCloseable
- Specified by:
close
in interfaceCloseable
- Specified by:
close
in interfaceFeatureReader<SimpleFeatureType,
SimpleFeature> - Throws:
IOException
- if an I/O error occurs
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