Class MongoComplexUtilities
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- MongoComplexUtilities
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public final class MongoComplexUtilities extends Object
This class contains utilities methods for dealing with MongoDB complex features.
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Field Summary
Fields Modifier and Type Field Description static String
MONGO_PARENT_PATH
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Method Summary
All Methods Static Methods Concrete Methods Modifier and Type Method Description static Feature
extractFeature(Object feature, String jsonPath)
static Feature
extractFeature(Feature feature, String jsonPath)
Method for extracting or casting a feature from the provided object.static Map<String,Class>
findMappings(DBCursor cursor)
Compute the mappings for a mongodb cursor(iterator), this can be used to create a feature mapping.static Map<String,Class>
findMappings(DBObject dbObject)
Compute the mappings for a mongo db object, this can be used to create a feature mapping.static Object
getValue(DBObject mongoObject, String jsonPath, Supplier<GeometryCoordinateSequenceTransformer> transformer)
Will extract from the mongo db object the value that correspond to the given json path.static Object
getValue(DBObject mongoObject, Map<String,Integer> collectionsIndexes, String jsonPath, Supplier<GeometryCoordinateSequenceTransformer> transformer)
Will extract from the mongo db object the value that correspond to the given json path.static Object
getValue(Object object, String jsonPath)
Will try to extract from the provided object the value that correspond to the given json path.static Object
getValues(DBObject dbObject, String jsonPath, Supplier<GeometryCoordinateSequenceTransformer> transformer)
Will extract from the mongo db object all the values that correspond to the given json path.static Object
getValues(Object object, String jsonPath)
Will try to extract from the provided object all the values that correspond to the given json path.static String
resolvePath(Feature feature, String jsonPath)
Concat the parent path if it exists to the provided JSON path.static void
setParentPath(Feature feature, String parentPath)
Store the parent path in a feature user data map.
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Field Detail
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MONGO_PARENT_PATH
public static final String MONGO_PARENT_PATH
- See Also:
- Constant Field Values
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Method Detail
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resolvePath
public static String resolvePath(Feature feature, String jsonPath)
Concat the parent path if it exists to the provided JSON path.
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setParentPath
public static void setParentPath(Feature feature, String parentPath)
Store the parent path in a feature user data map.
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getValue
public static Object getValue(Object object, String jsonPath)
Will try to extract from the provided object the value that correspond to the given json path.
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extractFeature
public static Feature extractFeature(Feature feature, String jsonPath)
Method for extracting or casting a feature from the provided object.
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getValue
public static Object getValue(DBObject mongoObject, String jsonPath, Supplier<GeometryCoordinateSequenceTransformer> transformer)
Will extract from the mongo db object the value that correspond to the given json path. If the path contain a nested list of values an exception will be throw.
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getValue
public static Object getValue(DBObject mongoObject, Map<String,Integer> collectionsIndexes, String jsonPath, Supplier<GeometryCoordinateSequenceTransformer> transformer)
Will extract from the mongo db object the value that correspond to the given json path. The provided collections indexes will be used to select the proper element for the collections present in the path.
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getValues
public static Object getValues(Object object, String jsonPath)
Will try to extract from the provided object all the values that correspond to the given json path.
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getValues
public static Object getValues(DBObject dbObject, String jsonPath, Supplier<GeometryCoordinateSequenceTransformer> transformer)
Will extract from the mongo db object all the values that correspond to the given json path. If the path contains nested collections the values from all the branches will be merged.
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findMappings
public static Map<String,Class> findMappings(DBObject dbObject)
Compute the mappings for a mongo db object, this can be used to create a feature mapping.
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