org.plasma.query.collector
Class SelectionCollector

java.lang.Object
  org.plasma.query.collector.SelectionCollector

All Implemented Interfaces:

Selection

public class SelectionCollector
extends Object
implements Selection

Traverses a given Select) clause collecting the specified property names, as well as any path-reference or key properties required for graph structure, into a simple list of logical property name strings mapped to the respective {@link Type} definition.

See Also:

Select, Type

Field Summary

protected boolean	onlyDeclaredProperties Whether to collect only declared properties for a type, otherwise indicates to collect all properties for a given type and all its base types
protected boolean	onlySingularProperties Whether to collect only singular reference properties and follow paths composed of only singular properties.
protected Type	rootType

Constructor Summary

SelectionCollector(Select select, Type rootType)

SelectionCollector(Select select, Type rootType, boolean onlySingularProperties)

SelectionCollector(Select select, Where where, OrderBy orderBy, Type rootType)

SelectionCollector(Select select, Where where, OrderBy orderBy, Type rootType, boolean onlySingularProperties)

SelectionCollector(Select select, Where where, Type rootType)

SelectionCollector(Select select, Where where, Type rootType, boolean onlySingularProperties)

SelectionCollector(Where where, Type rootType)

SelectionCollector(Where where, Type rootType, boolean onlySingularProperties)

Method Summary

protected void	addInheritedProperty(Type type, Integer level, Property property, Map<Type,Map<Integer,Set<Property>>> map)
protected void	addInheritedProperty(Type type, Property property, Map<Type,Set<Property>> map)
protected void	addInheritedProperty(Type type, Property edge, Property property, Map<Type,Map<Property,Set<Property>>> map)
protected void	addProperty(Type type, Integer level, Property property, Map<Type,Map<Integer,Set<Property>>> map)
protected void	addProperty(Type type, Property property, Map<Type,Set<Property>> map)
protected void	addProperty(Type type, Property edge, Property property, Map<Type,Map<Property,Set<Property>>> map)
List<Type>	addProperty(Type rootType, String path) Adds the given given property to the selection for the given graph root type and returns any types collected during traversal of the property path.
String	dumpInheritedProperties()
String	dumpProperties()
protected Property[]	findProperties(Type type, AbstractProperty abstractProperty) A convenience method returning an array of names for the given property whether a wildcard property or not.
protected String[]	findPropertyNames(Type type, AbstractProperty abstractProperty) A convenience method returning an array of names for the given property whether a wildcard property or not.
Set<Property>	getInheritedProperties(Type type) Returns the unique set of inherited data and reference properties collected for the given type, and any base types of the given type, irrespective of the (query) graph level.
Set<Property>	getInheritedProperties(Type type, int level) Returns the unique set of inherited data and reference properties collected for the given type, and any base types of the given type, for the given (query) graph level.
Set<Property>	getInheritedProperties(Type type, Property sourceProperty) Returns the unique set of inherited data and reference properties collected for the given Type for the given (query) graph edge source property.
Set<Property>	getInheritedProperties(Type type, Property sourceProperty, int level) Returns the unique set of inherited data and reference properties collected for the given Type for the given (query) graph edge source property at the given traversal level or graph depth.
List<Type>	getInheritedTypes() Returns all selected types and as well as types which specialize or inherit from the selected types.
Where	getPredicate(Property property) Returns the predicate for the given property or null if the given property is not mapped.
Map<Property,Where>	getPredicateMap() Deprecated.
Set<Property>	getProperties(Type type) Returns the unique set of data and reference properties collected for the given type irrespective of the (query) graph level, or source graph edge type.
Set<Property>	getProperties(Type type, int level) Returns the unique set of data and reference properties collected for the given Type for the given (query) graph level.
Set<Property>	getProperties(Type type, Property sourceProperty) Returns the unique set of data and reference properties collected for the given Type for the given (query) graph edge source property.
Set<Property>	getProperties(Type type, Property sourceProperty, int level) Returns the unique set of data and reference properties collected for the given Type for the given (query) graph edge source property at the given traversal level or graph depth.
Set<Property>	getSingularProperties(Type type) Returns the unique set of singular data and reference properties collected for the given type irrespective of the (query) graph level, or source graph edge type.
List<Type>	getTypes() Returns all selected types.
boolean	hasInheritedProperty(Type type, Property property) Returns true if the given type is found in the inherited type selection and if the given property is found in the property selection for the given type.
boolean	hasInheritedType(Type type) Returns true if the given type is found in the inherited type selection.
boolean	hasPredicates() (non-Javadoc)
boolean	hasProperty(Type type, Property property) Returns true if the given type is found in the type selection and if the given property is found in the property selection for the given type.
boolean	hasType(Type type) Returns true if the given type is found in the type selection.
boolean	isOnlyDeclaredProperties() Returns whether to collect only declared properties for a type.
boolean	isOnlySingularProperties() Returns whether to collect only singular properties and follow paths composed of only singular properties.
protected boolean	isSingularPath(Path path, Type currType, AbstractPathElement currPathElement, int curPathElementIndex, AbstractProperty abstractProperty) Recursively traverses the given path checking every path element and determines if the entire path is composed of singular properties.
protected boolean	isSingularPath(Path path, Type rootType, AbstractProperty abstractProperty) Recursively traverses the given path checking every path element and determines if the entire path is composed of singular properties.
protected void	mapInheritedProperties(Type type, Integer level, Property[] props, Map<Type,Map<Integer,Set<Property>>> map)
protected void	mapInheritedProperties(Type type, Property[] props, Map<Type,Set<Property>> map)
protected void	mapInheritedProperties(Type type, Property edge, Property[] props, Map<Type,Map<Property,Set<Property>>> map)
protected void	mapInheritedProperty(Type type, Property property, Map<Type,List<String>> map)
protected void	mapInheritedPropertyNames(Type type, String[] names, Map<Type,List<String>> map)
protected void	mapProperties(Type type, Integer level, Property[] props, Map<Type,Map<Integer,Set<Property>>> map)
protected void	mapProperties(Type type, Property[] props, Map<Type,Set<Property>> map)
protected void	mapProperties(Type type, Property edge, Property[] props, Map<Type,Map<Property,Set<Property>>> map)
protected void	mapProperty(Type type, Property property, Map<Type,List<String>> map)
protected void	mapPropertyNames(Type type, String[] names, Map<Type,List<String>> map)
void	setOnlyDeclaredProperties(boolean onlyDeclaredProperties) Sets whether to collect only declared properties for a type.
void	setOnlySingularProperties(boolean onlySingularProperties) Sets whether to collect only singular properties and follow paths composed of only singular properties.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

rootType

protected Type rootType

onlySingularProperties

protected boolean onlySingularProperties

Whether to collect only singular reference properties and follow paths composed of only singular properties.

onlyDeclaredProperties

protected boolean onlyDeclaredProperties

Whether to collect only declared properties for a type, otherwise indicates to collect all properties for a given type and all its base types

Constructor Detail

SelectionCollector

public SelectionCollector(Select select,
                          Type rootType)

SelectionCollector

public SelectionCollector(Select select,
                          Type rootType,
                          boolean onlySingularProperties)

SelectionCollector

public SelectionCollector(Select select,
                          Where where,
                          Type rootType)

SelectionCollector

public SelectionCollector(Select select,
                          Where where,
                          Type rootType,
                          boolean onlySingularProperties)

SelectionCollector

public SelectionCollector(Select select,
                          Where where,
                          OrderBy orderBy,
                          Type rootType)

SelectionCollector

public SelectionCollector(Select select,
                          Where where,
                          OrderBy orderBy,
                          Type rootType,
                          boolean onlySingularProperties)

SelectionCollector

public SelectionCollector(Where where,
                          Type rootType)

SelectionCollector

public SelectionCollector(Where where,
                          Type rootType,
                          boolean onlySingularProperties)

Method Detail

getPredicateMap

@Deprecated
public Map<Property,Where> getPredicateMap()

Deprecated.

hasPredicates

public boolean hasPredicates()

(non-Javadoc)

Specified by:

hasPredicates in interface Selection

Returns:

true if the selection has path predicates.

getPredicate

public Where getPredicate(Property property)

Description copied from interface: Selection

Returns the predicate for the given property or null if the given property is not mapped.

Specified by:

getPredicate in interface Selection

Parameters:

property - the property

Returns:

the predicate for the given property or null if the given property is not mapped.

getSingularProperties

public Set<Property> getSingularProperties(Type type)

Description copied from interface: Selection

Returns the unique set of singular data and reference properties collected for the given type irrespective of the (query) graph level, or source graph edge type.

Specified by:

getSingularProperties in interface Selection

Parameters:

type - the type

Returns:

the unique set of singular data and reference properties collected for the given type irrespective of the (query) graph level, or source graph edge type.

getProperties

public Set<Property> getProperties(Type type)

Description copied from interface: Selection

Returns the unique set of data and reference properties collected for the given type irrespective of the (query) graph level, or source graph edge type.

Specified by:

getProperties in interface Selection

Parameters:

type - the type

Returns:

the unique set of data and reference properties collected for the given type irrespective of the (query) graph level, or source graph edge type.

getInheritedProperties

public Set<Property> getInheritedProperties(Type type)

Description copied from interface: Selection

Returns the unique set of inherited data and reference properties collected for the given type, and any base types of the given type, irrespective of the (query) graph level. of the given type

Specified by:

getInheritedProperties in interface Selection

Parameters:

type - the type

Returns:

the unique set of inherited data and reference properties collected for the given type, and any base types of the given type, irrespective of the (query) graph level

getInheritedProperties

public Set<Property> getInheritedProperties(Type type,
                                            Property sourceProperty)

Description copied from interface: Selection

Returns the unique set of inherited data and reference properties collected for the given Type for the given (query) graph edge source property.

Specified by:

getInheritedProperties in interface Selection

Parameters:

type - the type (query) graph edge source property

sourceProperty - the

Returns:

the unique set of inherited data and reference properties collected for the given Type for the given (query) graph edge source property.

getInheritedProperties

public Set<Property> getInheritedProperties(Type type,
                                            int level)

Description copied from interface: Selection

Returns the unique set of inherited data and reference properties collected for the given type, and any base types of the given type, for the given (query) graph level.

Specified by:

getInheritedProperties in interface Selection

Parameters:

type - the type

level - the specific graph level where the properties were specified in the selection

Returns:

the unique set of inherited data and reference properties collected for the given type, and any base types of the given type, irrespective of the (query) graph level

getInheritedProperties

public Set<Property> getInheritedProperties(Type type,
                                            Property sourceProperty,
                                            int level)

Description copied from interface: Selection

Returns the unique set of inherited data and reference properties collected for the given Type for the given (query) graph edge source property at the given traversal level or graph depth.

Specified by:

getInheritedProperties in interface Selection

Parameters:

type - the type (query) graph edge source property

sourceProperty - the

level - the traversal level or graph depth

Returns:

the unique set of inherited data and reference properties collected for the given Type for the given (query) graph edge source property.

getTypes

public List<Type> getTypes()

Description copied from interface: Selection

Returns all selected types.

Specified by:

getTypes in interface Selection

Returns:

all selected types.

hasType

public boolean hasType(Type type)

Description copied from interface: Selection

Returns true if the given type is found in the type selection.

Specified by:

hasType in interface Selection

Parameters:

type - the type

Returns:

true if the given type is found in the type selection.

getInheritedTypes

public List<Type> getInheritedTypes()

Description copied from interface: Selection

Returns all selected types and as well as types which specialize or inherit from the selected types.

Specified by:

getInheritedTypes in interface Selection

Returns:

all selected types and as well as types which specialize or inherit from the selected types.

hasInheritedType

public boolean hasInheritedType(Type type)

Description copied from interface: Selection

Returns true if the given type is found in the inherited type selection.

Specified by:

hasInheritedType in interface Selection

Parameters:

type - the type

Returns:

true if the given type is found in the inherited type selection.

hasProperty

public boolean hasProperty(Type type,
                           Property property)

Description copied from interface: Selection

Returns true if the given type is found in the type selection and if the given property is found in the property selection for the given type.

Specified by:

hasProperty in interface Selection

Parameters:

type - the type

property - the property

Returns:

true if the given type is found in the type selection and if the given property is found in the property selection for the given type.

addProperty

public List<Type> addProperty(Type rootType,
                              String path)

Description copied from interface: Selection

Adds the given given property to the selection for the given graph root type and returns any types collected during traversal of the property path.

Specified by:

addProperty in interface Selection

Parameters:

rootType - the graph root type

path - the SDO XPath specifying a path from the given root type to a target or endpoint property

Returns:

any types collected during traversal of the property path.

hasInheritedProperty

public boolean hasInheritedProperty(Type type,
                                    Property property)

Description copied from interface: Selection

Returns true if the given type is found in the inherited type selection and if the given property is found in the property selection for the given type.

Specified by:

hasInheritedProperty in interface Selection

Parameters:

type - the type

property - the property

Returns:

true if the given type is found in the inherited type selection and if the given property is found in the property selection for the given type.

getProperties

public Set<Property> getProperties(Type type,
                                   int level)

Description copied from interface: Selection

Returns the unique set of data and reference properties collected for the given Type for the given (query) graph level.

Specified by:

getProperties in interface Selection

Parameters:

type - the type

level - the specific graph level where the properties were specified in the selection

Returns:

the unique set of data and reference properties collected for the given type for the given (query) graph level.

getProperties

public Set<Property> getProperties(Type type,
                                   Property sourceProperty)

Description copied from interface: Selection

Returns the unique set of data and reference properties collected for the given Type for the given (query) graph edge source property.

Specified by:

getProperties in interface Selection

Parameters:

type - the type (query) graph edge source property

sourceProperty - the

Returns:

the unique set of data and reference properties collected for the given Type for the given (query) graph edge source property.

getProperties

public Set<Property> getProperties(Type type,
                                   Property sourceProperty,
                                   int level)

Description copied from interface: Selection

Returns the unique set of data and reference properties collected for the given Type for the given (query) graph edge source property at the given traversal level or graph depth.

Specified by:

getProperties in interface Selection

Parameters:

type - the type (query) graph edge source property

sourceProperty - the

level - the traversal level or graph depth

Returns:

the unique set of data and reference properties collected for the given Type for the given (query) graph edge source property.

dumpProperties

public String dumpProperties()

dumpInheritedProperties

public String dumpInheritedProperties()

isOnlySingularProperties

public boolean isOnlySingularProperties()

Returns whether to collect only singular properties and follow paths composed of only singular properties.

setOnlySingularProperties

public void setOnlySingularProperties(boolean onlySingularProperties)

Sets whether to collect only singular properties and follow paths composed of only singular properties.

isOnlyDeclaredProperties

public boolean isOnlyDeclaredProperties()

Returns whether to collect only declared properties for a type.

setOnlyDeclaredProperties

public void setOnlyDeclaredProperties(boolean onlyDeclaredProperties)

Sets whether to collect only declared properties for a type.

mapProperty

protected void mapProperty(Type type,
                           Property property,
                           Map<Type,List<String>> map)

addProperty

protected void addProperty(Type type,
                           Property property,
                           Map<Type,Set<Property>> map)

addProperty

protected void addProperty(Type type,
                           Integer level,
                           Property property,
                           Map<Type,Map<Integer,Set<Property>>> map)

addProperty

protected void addProperty(Type type,
                           Property edge,
                           Property property,
                           Map<Type,Map<Property,Set<Property>>> map)

mapInheritedProperty

protected void mapInheritedProperty(Type type,
                                    Property property,
                                    Map<Type,List<String>> map)

addInheritedProperty

protected void addInheritedProperty(Type type,
                                    Property property,
                                    Map<Type,Set<Property>> map)

addInheritedProperty

protected void addInheritedProperty(Type type,
                                    Integer level,
                                    Property property,
                                    Map<Type,Map<Integer,Set<Property>>> map)

addInheritedProperty

protected void addInheritedProperty(Type type,
                                    Property edge,
                                    Property property,
                                    Map<Type,Map<Property,Set<Property>>> map)

mapPropertyNames

protected void mapPropertyNames(Type type,
                                String[] names,
                                Map<Type,List<String>> map)

mapProperties

protected void mapProperties(Type type,
                             Property[] props,
                             Map<Type,Set<Property>> map)

mapProperties

protected void mapProperties(Type type,
                             Integer level,
                             Property[] props,
                             Map<Type,Map<Integer,Set<Property>>> map)

mapProperties

protected void mapProperties(Type type,
                             Property edge,
                             Property[] props,
                             Map<Type,Map<Property,Set<Property>>> map)

mapInheritedPropertyNames

protected void mapInheritedPropertyNames(Type type,
                                         String[] names,
                                         Map<Type,List<String>> map)

mapInheritedProperties

protected void mapInheritedProperties(Type type,
                                      Property[] props,
                                      Map<Type,Set<Property>> map)

mapInheritedProperties

protected void mapInheritedProperties(Type type,
                                      Integer level,
                                      Property[] props,
                                      Map<Type,Map<Integer,Set<Property>>> map)

mapInheritedProperties

protected void mapInheritedProperties(Type type,
                                      Property edge,
                                      Property[] props,
                                      Map<Type,Map<Property,Set<Property>>> map)

findPropertyNames

protected String[] findPropertyNames(Type type,
                                     AbstractProperty abstractProperty)

A convenience method returning an array of names for the given property whether a wildcard property or not. For wildcard properties determines the type of wildcard and returns the appropriate property set.

Parameters:

type - the type

abstractProperty - the property

Returns:

the property names as an array

findProperties

protected Property[] findProperties(Type type,
                                    AbstractProperty abstractProperty)

A convenience method returning an array of names for the given property whether a wildcard property or not. For wildcard properties determines the type of wildcard and returns the appropriate property set.

Parameters:

type - the type

abstractProperty - the property

Returns:

the property names as an array

isSingularPath

protected boolean isSingularPath(Path path,
                                 Type rootType,
                                 AbstractProperty abstractProperty)

Recursively traverses the given path checking every path element and determines if the entire path is composed of singular properties.

Parameters:

path - the path

rootType - the root type

abstractProperty -

Returns:

whether the given path is composed entirely of singular \ properties

isSingularPath

protected boolean isSingularPath(Path path,
                                 Type currType,
                                 AbstractPathElement currPathElement,
                                 int curPathElementIndex,
                                 AbstractProperty abstractProperty)

Recursively traverses the given path checking every path element and determines if the entire path is composed of singular properties.

Parameters:

path - the path

currType - the current type

currPathElement - the current path element

curPathElementIndex - the current path element index

abstractProperty - the property

Returns:

whether the given path is composed entirely of singular \ properties