Package org.ehrbase.aql.containment

Class ContainPropositions

java.lang.Object

org.ehrbase.aql.containment.ContainPropositions

public class ContainPropositions
extends Object

Handles and evaluation contain proposition: Simple contain chain (e.g. CONTAINS [...] CONTAINS [...]...) are evaluated for existence of paths within defined templates Complex contain (expressed as logical expressions of Simple Contains) are evaluated as set operation (intersection, union. disjunction)

Constructor Summary

Constructors

Constructor	Description
ContainPropositions(IdentifierMapper identifierMapper)

Method Summary

Modifier and Type	Method	Description
void	evaluate(KnowledgeCacheService knowledgeCache)	evaluate the set of proposition IN-ORDER.
ContainsCheck	get(String key)
boolean	hasContains()
void	put(String key, ContainsCheck containsCheck)
boolean	requiresTemplateWhereClause()	true if this expression is for a simple COMPOSITION containment (e.g.
Set<String>	resolvedTemplates()	returns the list of templates for the expression

Methods inherited from class java.lang.Object

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

Constructor Details

ContainPropositions

public ContainPropositions(IdentifierMapper identifierMapper)

Method Details

put

public void put(String key,
 ContainsCheck containsCheck)

get

public ContainsCheck get(String key)

evaluate

public void evaluate(KnowledgeCacheService knowledgeCache)

evaluate the set of proposition IN-ORDER. The results are given as: - a list of templates for which the propositions are satisfied - paths in containers for each identified template

Parameters:

knowledgeCache -

resolvedTemplates

public Set<String> resolvedTemplates()

returns the list of templates for the expression

Returns:

requiresTemplateWhereClause

public boolean requiresTemplateWhereClause()

true if this expression is for a simple COMPOSITION containment (e.g. no embedded CONTAINs)

Returns:

hasContains

public boolean hasContains()