org.geotools.data.complex
Class FilteringMappingFeatureIterator
java.lang.Object
org.geotools.data.complex.AbstractMappingFeatureIterator
org.geotools.data.complex.DataAccessMappingFeatureIterator
org.geotools.data.complex.FilteringMappingFeatureIterator
- All Implemented Interfaces:
- java.util.Iterator<org.opengis.feature.Feature>, IMappingFeatureIterator, FeatureIterator<org.opengis.feature.Feature>
public class FilteringMappingFeatureIterator
- extends DataAccessMappingFeatureIterator
An extension to DataAccessMappingFeatureIterator where
filter is present. Since join query between 2 or more tables isn't supported, the only way we can
query nested features is by applying the filter per simple feature (database row). This is done
in hasNext().
- Author:
- Rini Angreani, CSIRO Earth Science and Resource Engineering
Field Summary |
protected java.util.ListIterator<org.opengis.feature.Feature> |
listFeatureIterator
|
Fields inherited from class org.geotools.data.complex.AbstractMappingFeatureIterator |
attf, featureCounter, featureFidMapping, LOGGER, mapping, maxFeatures, namespaceAwareFilterFactory, namespaces, store, XLINK_HREF_NAME, xpathAttributeBuilder |
Methods inherited from class org.geotools.data.complex.DataAccessMappingFeatureIterator |
computeNext, extractIdForAttribute, extractIdForFeature, extractIdForFeature, flagNextFeature, getValue, getValues, isByReference, isNextFeatureSet, isNextSourceFeatureNull, isSourceFeatureIteratorNull, populateFeatureData, setAttributeValue, setClientProperties, setXlinkReference, sourceFeatureIteratorHasNext, unprocessedFeatureExists |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
listFeatureIterator
protected java.util.ListIterator<org.opengis.feature.Feature> listFeatureIterator
FilteringMappingFeatureIterator
public FilteringMappingFeatureIterator(AppSchemaDataAccess store,
FeatureTypeMapping mapping,
Query query,
org.opengis.filter.Filter filter)
throws java.io.IOException
- Throws:
java.io.IOException
initialiseSourceFeatures
protected void initialiseSourceFeatures(FeatureTypeMapping mapping,
Query query)
throws java.io.IOException
- Overrides:
initialiseSourceFeatures
in class DataAccessMappingFeatureIterator
- Throws:
java.io.IOException
closeSourceFeatures
protected void closeSourceFeatures()
- Overrides:
closeSourceFeatures
in class DataAccessMappingFeatureIterator
getSourceFeatureIterator
protected java.util.Iterator<org.opengis.feature.Feature> getSourceFeatureIterator()
- Overrides:
getSourceFeatureIterator
in class DataAccessMappingFeatureIterator
hasNext
public boolean hasNext()
- Description copied from class:
AbstractMappingFeatureIterator
- Return true if there are more features.
- Specified by:
hasNext
in interface java.util.Iterator<org.opengis.feature.Feature>
- Specified by:
hasNext
in interface FeatureIterator<org.opengis.feature.Feature>
- Overrides:
hasNext
in class DataAccessMappingFeatureIterator
- Returns:
- true if more Features exist, false otherwise.
- See Also:
Iterator.hasNext()
setNextFeature
protected void setNextFeature(java.lang.String fId,
java.util.ArrayList<org.opengis.feature.Feature> features)
throws java.io.IOException
- Overrides:
setNextFeature
in class DataAccessMappingFeatureIterator
- Throws:
java.io.IOException
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