private void assertReaderHasFeatureCount( int expectedFeatureCount, int currentFeatureCount, FeatureReader<SimpleFeatureType, SimpleFeature> featureReader) throws IOException { while (featureReader.hasNext()) { featureReader.next(); currentFeatureCount++; } assertEquals( "a write in MemoryDataStore should not 'destroy' readers", expectedFeatureCount, currentFeatureCount); } }
public void testReaderIsNotBrokenWhileWritingWithWriterAndTransaction() throws IOException { // a write should not "destroy" readers int expectedFeatureCount = roadFeatures.length; int currentFeatureCount = 0; FeatureReader<SimpleFeatureType, SimpleFeature> featureReader = memoryDataStore.getFeatureReader( new Query(roadType.getTypeName(), Filter.INCLUDE), transaction); // start iterating through content if (featureReader.hasNext()) { featureReader.next(); currentFeatureCount++; } FeatureWriter<SimpleFeatureType, SimpleFeature> featureWriter = memoryDataStore.getFeatureWriter(roadType.getTypeName(), transaction); while (featureWriter.hasNext()) { featureWriter.next(); } SimpleFeature newFeature = featureWriter.next(); assertNotNull(newFeature); transaction.commit(); assertReaderHasFeatureCount(expectedFeatureCount, currentFeatureCount, featureReader); }
public void testReaderIsNotBrokenWhileWritingFeatureDirectly() throws IOException { // a write should not "destroy" readers int expectedFeatureCount = roadFeatures.length; int currentFeatureCount = 0; FeatureReader<SimpleFeatureType, SimpleFeature> featureReader = memoryDataStore.getFeatureReader( new Query(roadType.getTypeName(), Filter.INCLUDE), transaction); // start iterating through content if (featureReader.hasNext()) { featureReader.next(); currentFeatureCount++; } SimpleFeature newFeature = SimpleFeatureBuilder.template(roadType, null); memoryDataStore.addFeature(newFeature); assertReaderHasFeatureCount(expectedFeatureCount, currentFeatureCount, featureReader); }