org.geotools.data.Query.getPropertyNames()方法的使用及代码示例

x33g5p2x  于2022-01-28 转载在 其他  
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本文整理了Java中org.geotools.data.Query.getPropertyNames方法的一些代码示例，展示了Query.getPropertyNames的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Query.getPropertyNames方法的具体详情如下：
包路径：org.geotools.data.Query
类名称：Query
方法名：getPropertyNames

Query.getPropertyNames介绍

[英]Get the names of the properties that this Query will retrieve as part of the returned org.geotools.feature.FeatureCollection.
[中]获取此查询将作为返回组织的一部分检索的属性的名称。地理工具。特色特色系列。

代码示例

代码示例来源：origin: geoserver/geoserver

  1. String[] queriedAtts = query.getPropertyNames();
  2. int queriedAttCount = queriedAtts.length;
  3. List allowedAtts = new LinkedList();

代码示例来源：origin: geoserver/geoserver

  1. ((SimpleFeatureStore) storeDelegate).modifyFeatures(names, values, filter);
  2. } else if (writeQuery.getFilter() == Filter.EXCLUDE
  3.     || writeQuery.getPropertyNames() == Query.NO_NAMES) {
  4.   throw unsupportedOperation();
  5. Query mixed = mixQueries(local, writeQuery);
  6. if (writeQuery.getPropertyNames() == Query.ALL_NAMES) {
  7.       new HashSet<String>(Arrays.asList(writeQuery.getPropertyNames()));

代码示例来源：origin: geoserver/geoserver

  1. return;
  2. } else if (writeQuery.getFilter() == Filter.EXCLUDE
  3.     || writeQuery.getPropertyNames() == Query.NO_NAMES) {
  4.   throw unsupportedOperation();
  5. Query mixed = mixQueries(local, writeQuery);
  6. if (writeQuery.getPropertyNames() == Query.ALL_NAMES) {
  7.       new HashSet<String>(Arrays.asList(writeQuery.getPropertyNames()));

代码示例来源：origin: geoserver/geoserver

  1. /**
  2.  * * Takes into account eventual joins
  3.  *
  4.  * @param query
  5.  * @return
  6.  */
  7. public SimpleFeatureType getFeatureType(Query query) {
  8.   SimpleFeatureType result;
  9.   if (query.getPropertyNames() != Query.ALL_NAMES) {
  10.     result = SimpleFeatureTypeBuilder.retype(featureType, query.getPropertyNames());
  11.   } else {
  12.     result = featureType;
  13.   }
  14.   // add back the joined features in case of join
  15.   if (!query.getJoins().isEmpty()) {
  16.     SimpleFeatureTypeBuilder tb = new SimpleFeatureTypeBuilder();
  17.     tb.init(result);
  18.     for (Join join : query.getJoins()) {
  19.       String joinedFeatureAttribute = join.getAlias();
  20.       if (joinedFeatureAttribute == null) {
  21.         joinedFeatureAttribute = join.getTypeName();
  22.       }
  23.       tb.add(joinedFeatureAttribute, SimpleFeature.class);
  24.     }
  25.     result = tb.buildFeatureType();
  26.   }
  27.   return result;
  28. }

代码示例来源：origin: geoserver/geoserver

  1. return;
  2. } else if (writeQuery.getFilter() == Filter.EXCLUDE
  3.     || writeQuery.getPropertyNames() == Query.NO_NAMES) {
  4.   throw unsupportedOperation();
  5. Query mixed = mixQueries(local, writeQuery);
  6. if (writeQuery.getPropertyNames() == Query.ALL_NAMES) {
  7.       new HashSet<String>(Arrays.asList(writeQuery.getPropertyNames()));

代码示例来源：origin: geoserver/geoserver

  1. if (query.getPropertyNames() == Query.ALL_NAMES) {
  2.   return ft;
  3.   SimpleFeatureType sft = (SimpleFeatureType) ft;
  4.   Set<String> properties =
  5.       new HashSet<String>(Arrays.asList(query.getPropertyNames()));
  6.   SimpleFeatureTypeBuilder tb = new SimpleFeatureTypeBuilder();
  7.   tb.init(sft);

代码示例来源：origin: geoserver/geoserver

  1. public void removeFeatures(Filter filter) throws IOException {
  2.   // are we limiting anything?
  3.   Query writeQuery = getWriteQuery(policy);
  4.   if (writeQuery == Query.ALL) {
  5.     storeDelegate.removeFeatures(filter);
  6.   } else if (writeQuery.getFilter() == Filter.EXCLUDE
  7.       || writeQuery.getPropertyNames() == Query.NO_NAMES) {
  8.     throw unsupportedOperation();
  9.   }
  10.   // get the mixed filter
  11.   final Query local = new Query(null, filter);
  12.   Query mixed = mixQueries(local, writeQuery);
  13.   storeDelegate.removeFeatures(mixed.getFilter());
  14. }

代码示例来源：origin: geoserver/geoserver

  1. || writeQuery.getPropertyNames() == Query.NO_NAMES) {
  2.   throw unsupportedOperation();
  3. } else if (writeQuery == Query.ALL) {
  4.   if (writeQuery.getPropertyNames() == Query.ALL_NAMES) {
  5.     return storeDelegate.addFeatures(collection);
  6.   } else {
  7.       List<String> writableAttributes = Arrays.asList(writeQuery.getPropertyNames());
  8.       CheckAttributesFeatureCollection checker =
  9.           new CheckAttributesFeatureCollection(

代码示例来源：origin: geoserver/geoserver

  1. SimpleFeatureType target =
  2.     SimpleFeatureTypeBuilder.retype(
  3.         sfc.getSchema(), mixed.getPropertyNames());
  4. ReTypingFeatureCollection retyped = new ReTypingFeatureCollection(sfc, target);
  5. return (FeatureCollection) SecuredObjects.secure(retyped, policy);

代码示例来源：origin: geotools/geotools

  1. /**
  2.  * Creates a sub-schema with only the selected attributes
  3.  *
  4.  * @param schema
  5.  * @param query
  6.  * @return
  7.  */
  8. static SimpleFeatureType retypeSchema(SimpleFeatureType schema, Query query) {
  9.   if (query.getPropertyNames() == Query.ALL_NAMES) {
  10.     return schema;
  11.   } else {
  12.     return SimpleFeatureTypeBuilder.retype(schema, query.getPropertyNames());
  13.   }
  14. }

代码示例来源：origin: geotools/geotools

  1. SimpleFeatureType getResultSchema(Query q) {
  2.   if (q.getPropertyNames() == null) {
  3.     return getSchema();
  4.   } else {
  5.     return SimpleFeatureTypeBuilder.retype(getSchema(), q.getPropertyNames());
  6.   }
  7. }

代码示例来源：origin: geotools/geotools

  1. boolean isSubQuery(Query query) {
  2.   // no cached data?
  3.   if (cachedQuery == null) return false;
  4.   // do we miss some properties?
  5.   String[] cachedPropNames = cachedQuery.getPropertyNames();
  6.   String[] propNames = query.getPropertyNames();
  7.   if (cachedPropNames != Query.ALL_NAMES
  8.       && (propNames == Query.ALL_NAMES
  9.           || !Arrays.asList(cachedPropNames).containsAll(Arrays.asList(propNames))))
  10.     return false;
  11.   Filter[] filters = splitFilters(query);
  12.   Filter[] cachedFilters = splitFilters(cachedQuery);
  13.   if (!filters[0].equals(cachedFilters[0])) return false;
  14.   Envelope envelope = getEnvelope(filters[1]);
  15.   return cachedBounds.contains(envelope);
  16. }

代码示例来源：origin: geotools/geotools

  1. @Override
  2. public SimpleFeatureCollection getGranules(Query q) throws IOException {
  3.   Query renamed = renameQuery(q);
  4.   SimpleFeatureCollection granules = delegate.getGranules(renamed);
  5.   SimpleFeatureType targetSchema = this.schema;
  6.   if (q.getPropertyNames() != Query.ALL_NAMES) {
  7.     targetSchema = SimpleFeatureTypeBuilder.retype(schema, q.getPropertyNames());
  8.   }
  9.   return new ReTypingFeatureCollection(granules, targetSchema);
  10. }

代码示例来源：origin: geotools/geotools

  1. private SimpleFeatureCollection getFeatureCollection(Query query, Envelope bounds)
  2.     throws IOException {
  3.   try {
  4.     SimpleFeatureType base = wrapped.getSchema();
  5.     SimpleFeatureType alternate = base;
  6.     if (query.getPropertyNames() != Query.ALL_NAMES) {
  7.       alternate = SimpleFeatureTypeBuilder.retype(base, query.getPropertyNames());
  8.       if (alternate.equals(base)) alternate = base;
  9.     }
  10.     return new CachingFeatureCollection(bounds, base, alternate, query);
  11.   } catch (Exception e) {
  12.     throw new DataSourceException(
  13.         "Error occurred extracting features from the spatial index", e);
  14.   }
  15. }

代码示例来源：origin: geotools/geotools

  1. SimpleFeatureType getReadSchema(Query q) {
  2.   if (q.getPropertyNames() == Query.ALL_NAMES) {
  3.     return getSchema();
  4.   }
  5.   // Step 1: start with requested property names
  6.   LinkedHashSet<String> attributes = new LinkedHashSet<String>();
  7.   attributes.addAll(Arrays.asList(q.getPropertyNames()));
  8.   Filter filter = q.getFilter();
  9.   if (filter != null && !Filter.INCLUDE.equals(filter)) {
  10.     // Step 2: Add query attributes (if needed)
  11.     // Step 3: Fill empty XPath with appropriate property names
  12.     FilterAttributeExtractor fat = new AbsoluteAttributeExtractor(getSchema());
  13.     filter.accept(fat, null);
  14.     attributes.addAll(fat.getAttributeNameSet());
  15.   }
  16.   return SimpleFeatureTypeBuilder.retype(getSchema(), new ArrayList<String>(attributes));
  17. }

代码示例来源：origin: geotools/geotools

  1. private SimpleFeatureSource getFeatureSourceFor(Query query) throws IOException {
  2.   Double distance = getRequestedDistance(query);
  3.   String geomPropertyName = info.getGeomPropertyName(); // the geometry for which we have
  4.   // generalizations
  5.   String[] queryProperyNames = query.getPropertyNames();
  6.   if (queryProperyNames != null) {
  7.     for (String prop : queryProperyNames) { // check if geom property name was specified in
  8.       // the query
  9.       if (prop.equals(geomPropertyName)) return getFeatureSourceFor(distance);
  10.     }
  11.   } else { // we have Query.ALL
  12.     return getFeatureSourceFor(distance);
  13.   }
  14.   // no geometry in the query for which generalizations are present.
  15.   return getBaseFeatureSource();
  16. }

代码示例来源：origin: geotools/geotools

  1. /**
  2.  * Hashcode based on all parameters other than the handle.
  3.  *
  4.  * @return hascode for this Query
  5.  */
  6. @Override
  7. public int hashCode() {
  8.   String[] n = getPropertyNames();
  9.   return ((n == null) ? (-1) : ((n.length == 0) ? 0 : (n.length | n[0].hashCode())))
  10.       | getMaxFeatures()
  11.       | ((getFilter() == null) ? 0 : getFilter().hashCode())
  12.       | ((getTypeName() == null) ? 0 : getTypeName().hashCode())
  13.       | ((getVersion() == null) ? 0 : getVersion().hashCode())
  14.       | ((getCoordinateSystem() == null) ? 0 : getCoordinateSystem().hashCode())
  15.       | ((getCoordinateSystemReproject() == null)
  16.           ? 0
  17.           : getCoordinateSystemReproject().hashCode())
  18.       | getStartIndex();
  19. }

代码示例来源：origin: geotools/geotools

  1. /**
  2.  * Configure expected
  3.  *
  4.  * @param origional
  5.  * @param query
  6.  * @return
  7.  */
  8. public static SimpleFeatureType retype(SimpleFeatureType origional, Query query) {
  9.   CoordinateReferenceSystem crs = null;
  10.   if (query.getCoordinateSystem() != null) {
  11.     crs = query.getCoordinateSystem();
  12.   }
  13.   if (query.getCoordinateSystemReproject() != null) {
  14.     crs = query.getCoordinateSystemReproject();
  15.   }
  16.   return retype(origional, query.getPropertyNames(), crs);
  17. }

代码示例来源：origin: geotools/geotools

  1. public SimpleFeatureType getQueryType(Query query) throws IOException {
  2.   final String typeName = query.getTypeName();
  3.   final String propertyNames[] = query.getPropertyNames();
  4.   final FeatureTypeInfo typeInfo = typeInfoCache.getFeatureTypeInfo(typeName);
  5.   final SimpleFeatureType completeSchema = typeInfo.getFeatureType();
  6.   SimpleFeatureType featureType = completeSchema;
  7.   if (!query.retrieveAllProperties() || query.getCoordinateSystem() != null) {
  8.     try {
  9.       featureType =
  10.           DataUtilities.createSubType(
  11.               featureType, propertyNames, query.getCoordinateSystem());
  12.     } catch (SchemaException e) {
  13.       LOGGER.log(Level.FINEST, e.getMessage(), e);
  14.       throw new DataSourceException("Could not create Feature Type for query", e);
  15.     }
  16.   }
  17.   return featureType;
  18. }

代码示例来源：origin: geotools/geotools

  1. /** Get features based on the query specified. */
  2. @Override
  3. public FeatureCollection<FeatureType, Feature> getFeatures(Query query) throws IOException {
  4.   GetFeatureRequest request = client.createGetFeatureRequest();
  5.   FeatureType schema = dataAccess.getSchema(typeName);
  6.   QName name = dataAccess.getRemoteTypeName(typeName);
  7.   request.setTypeName(new QName(query.getTypeName()));
  8.   request.setFullType(schema);
  9.   request.setFilter(query.getFilter());
  10.   request.setPropertyNames(query.getPropertyNames());
  11.   request.setSortBy(query.getSortBy());
  12.   String srsName = null;
  13.   request.setSrsName(srsName);
  14.   return new WFSContentComplexFeatureCollection(request, schema, name);
  15. }

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