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Introduction

LexEVS CTS2 Code System Query API provides capability to query contents of Code System that are available in the system.

Interface

org.lexevs.cts2.query.CodeSystemQueryOperation is the main interface for all the queries against Code System. This interface can be accessed using main LexEVSCTS2 interface, like:<source>

Code Block

org.lexevs.cts2.query.CodeSystemQueryOperation csQueryOp = new org.lexevs.cts2.LexEvsCTS2Impl().getQueryOperation().getCodeSystemQueryOperation();

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Query Functions

Here are the major query functions available using CodeSystemQueryOperation interface:

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This function lists the coding systems that are available in cts 2 system. Optionally, return list can be restricted to Code System URI, version, local name, formal name or entity description.

listCodeSystems(CodingSchemeSummary queryByExample)

*Description: *

List the coding systems that are available in cts 2 system.

*Input: *

...

org.LexGrid.LexBIG.DataModel.Core.CodingSchemeSummary queryByExample - (Optional) Restrict the return list only to those that matches the supplied data. return list can be restricted to Code System URI, version, local name, formal name or entity description. If empty, all the code systems available in the system will be returned.

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*Output: *

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org.LexGrid.LexBIG.DataModel.Collections.CodingSchemeRenderingList - List of Code Systems

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*Exception: *

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org.LexGrid.LexBIG.Exceptions.LBException

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*Sample Call: *

  • Step 1: Instantiate CodeSystemQueryOperation if it is not done yet:

    ...

    • Code Block
      
      org.lexevs.cts2.query.CodeSystemQueryOperation csQueryOp = new org.lexevs.cts2.LexEvsCTS2Impl().getQueryOperation().getCodeSystemQueryOperation();
      
    • Step 2a: To get all the code systems:

      ...

      • Code Block
        
        org.LexGrid.LexBIG.DataModel.Collections.CodingSchemeRenderingList csrList = csQuery..listCodeSystems(new CodingSchemeSummary());
        
      • Step 2b: To restrict to code system URI:

        ...

        • Code Block
          
          CodingSchemeSummary() queryByExample = new CodingSchemeSummary();

        ...

        • 
          queryByExample.setCodingSchemeURI("urn:oid:cts:1.1.1");

        ...

        • 
          org.LexGrid.LexBIG.DataModel.Collections.CodingSchemeRenderingList csrList= query.listCodeSystems(queryByExample);

        ...

        • 
          

        getCodeSystemDetails

        This function provides the ability to retrieve detailed code system.

        getCodeSystemDetails(String codingSchemeName, CodingSchemeVersionOrTag versionOrTag)

        *Description: *

        Return a detailed codingScheme according to provided codingName and versionOrTag

        *Input: *

        ...

        • java.lang.String codingSchemeName - (Mandatory) Name of the code system.
        • org.LexGrid.LexBIG.DataModel.Core.CodingSchemeVersionOrTag versionOrTag - (Optional) Version or tag (like 'dev', 'production' etc) of the code system.

        ...

        *Output: *

        ...

        org.LexGrid.codingSchemes.CodingScheme - detailed Code System

        ...

        *Exception: *

        ...

        org.LexGrid.LexBIG.Exceptions.LBException

        ...

        *Sample Call: *

        • Step 1: Instantiate CodeSystemQueryOperation if it is not done yet :

          ...

          • Code Block
            
            org.lexevs.cts2.query.CodeSystemQueryOperation csQueryOp = new org.lexevs.cts2.LexEvsCTS2Impl().getQueryOperation().getCodeSystemQueryOperation();
            
          • Step 2: Populate CodeSystemVersionOrTag object:

            ...

            • Code Block
              
              CodingSchemeVersionOrTag versionOrTag = new CodingSchemeVersionOrTag();

            ...

            • 
              
              versionOrTag.setVersion("1.0");
              
            • Step 3: Call getCodeSystemDetails method to get detailed code system:

              ...

              • Code Block
                
                CodingScheme result = query.getCodeSystemDetails("Automobiles", versionOrTag);

              ...

              • 
                

              listCodeSystemConcepts

              This function provides the ability to list concepts in specific code system.

              listCodeSystemConcepts(String codingSchemeName, CodingSchemeVersionOrTag versionOrTag, LocalNameList entityTypes, SortOptionList sortOptionList)

              *Description: *

              List the concepts in a specific codingSystem

              *Input: *

              ...

              • java.lang.String codingSchemeName - (Mandatory) Name of the code system.
              • org.LexGrid.LexBIG.DataModel.Core.CodingSchemeVersionOrTag versionOrTag - (Optional) Version or tag (like 'dev', 'production' etc) of the code system.
              • org.LexGrid.LexBIG.DataModel.Collections.LocalNameList entityTypes - (Optional) List of entity types to restrict. Ex. 'concept', instance' etc.
              • org.LexGrid.LexBIG.DataModel.Collections.SortOptionList sortOptionList - (Optional) Sort option to apply on the returned list.

              ...

              *Output: *

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              org.LexGrid.LexBIG.Utility.Iterators.ResolvedConceptReferencesIterator - An iterator for resolved concepts list

              ...

              *Exception: *

              ...

              org.LexGrid.LexBIG.Exceptions.LBException

              ...

              *Sample Call: *

              • Step 1: Instantiate CodeSystemQueryOperation if it is not done yet :

                ...

                • Code Block
                  
                  org.lexevs.cts2.query.CodeSystemQueryOperation csQueryOp = new org.lexevs.cts2.LexEvsCTS2Impl().getQueryOperation().getCodeSystemQueryOperation();
                  
                • Step 2: Populate CodeSystemVersionOrTag object:

                  ...

                  • Code Block
                    
                    CodingSchemeVersionOrTag versionOrTag = new CodingSchemeVersionOrTag();

                  ...

                  • 
                    versionOrTag.setVersion("1.0");
                    
                  • Step 3a: Without SortOptions, call listCodeSystemConcepts method to get code system concepts:

                    ...

                    • Code Block
                      
                      ResolvedConceptReferencesIterator conceptIterator = csQueryOp.listCodeSystemConcepts("Automobiles", versionOrTag,

                    ...

                    • 
                      org.LexGrid.LexBIG.Utility.Constructors.createLocalNameList(org.LexGrid.commonTypes.types.EntityTypes.CONCEPT.toString()), null);
                      
                    • Step 3a: With SortOptions, call listCodeSystemConcepts method to get code system concepts:

                      ...

                      • Code Block
                        
                        

                      ...

                      • ResolvedConceptReferencesIterator conceptIterator = csQueryOp.listCodeSystemConcepts("Automobiles", versionOrTag,

                      ...

                      • 
                        

                      ...

                      • org.LexGrid.LexBIG.Utility.Constructors.createLocalNameList(org.LexGrid.commonTypes.types.EntityTypes.CONCEPT.toString()), Constructors.createSortOptionList(new String[VKC:) ( "code" ), new Boolean(] { new Boolean(true) }));

                      ...

                      • 
                        

                      getConceptDetails

                      This function returns details of an entity specified.

                      getConceptDetails(String codingSchemeName, CodingSchemeVersionOrTag versionOrTag, String code, String namespace)

                      *Description: *

                      Return an instance of Entity according the requests.

                      *Input: *

                      ...

                      • java.lang.String codingSchemeName - (Mandatory) Name of the code system.
                      • org.LexGrid.LexBIG.DataModel.Core.CodingSchemeVersionOrTag versionOrTag - (Optional) Version or tag (like 'dev', 'production' etc) of the code system.
                      • java.lang.String code - (Mandatory) Entity code.
                      • java.lang.String namespace - (Optional) Namespace of an entity code.

                      ...

                      *Output: *

                      ...

                      org.LexGrid.concepts.Entity - Detailed Entity object

                      ...

                      *Exception: *

                      ...

                      org.LexGrid.LexBIG.Exceptions.LBException

                      ...

                      *Sample Call: *

                      • Step 1: Instantiate CodeSystemQueryOperation if it is not done yet:

                        ...

                        • Code Block
                          
                          org.lexevs.cts2.query.CodeSystemQueryOperation csQueryOp = new org.lexevs.cts2.LexEvsCTS2Impl().getQueryOperation().getCodeSystemQueryOperation();
                          
                        • Step 2: Populate CodeSystemVersionOrTag object:

                          ...

                          • Code Block
                            
                            CodingSchemeVersionOrTag versionOrTag = new CodingSchemeVersionOrTag();

                          ...

                          • 
                            versionOrTag.setVersion("1.0");
                            
                          • Step 3: Call getConceptDetails method by providing code system version and entity code:

                            ...

                            • Code Block
                              
                              Entity entity = csQueryOp.getConceptDetails("Automobiles", versionOrTag, "C0001", "Automobiles");

                            ...

                            • 
                              

                            listAssociationTypes

                            This function returns all the supported association types with in the specified code system version.

                            listAssociationTypes(String codingSchemeName, CodingSchemeVersionOrTag versionOrTag)

                            *Description: *

                            List all the associationTypes in a specific code system.

                            *Input: *

                            ...

                            java.lang.String codingSchemeName - (Mandatory) Name of the code system.
                            org.LexGrid.LexBIG.DataModel.Core.CodingSchemeVersionOrTag versionOrTag - (Optional) Version or tag (like 'dev', 'production' etc) of the code system.

                            ...

                            *Output: *

                            ...

                            java.util.List<org.LexGrid.naming.SupportedAssociation> - List of all supported association types in supplied code system version

                            ...

                            *Exception: *

                            ...

                            org.LexGrid.LexBIG.Exceptions.LBException

                            ...

                            *Sample Call: *

                            • Step 1: Instantiate CodeSystemQueryOperation if it is not done yet :

                              ...

                              • Code Block
                                
                                org.lexevs.cts2.query.CodeSystemQueryOperation csQueryOp = new org.lexevs.cts2.LexEvsCTS2Impl().getQueryOperation().getCodeSystemQueryOperation();
                                
                              • Step 2: Populate CodeSystemVersionOrTag object:

                                ...

                                • Code Block
                                  
                                  CodingSchemeVersionOrTag versionOrTag = new CodingSchemeVersionOrTag();

                                ...

                                • 
                                  versionOrTag.setVersion("1.0");
                                  
                                • Step 3: Call listAssociationTypes method by providing code system version and entity code:

                                  ...

                                  • Code Block
                                    
                                    List<SupportedAssociation> associationList = csQueryOp.listAssociationTypes("Automobiles", versionOrTag);

                                  ...

                                  • 
                                    

                                  getAssociationTypeDetails

                                  This function returns detailed information for a certain association type with in the specified code system version.

                                  getAssociationTypeDetails(String codingSchemeName, CodingSchemeVersionOrTag versionOrTag, String associationName)

                                  *Description: *

                                  Return detailed information for a certain associationType in a specific code system.

                                  *Input: *

                                  ...

                                  • java.lang.String codingSchemeName - (Mandatory) Name of the code system.
                                  • org.LexGrid.LexBIG.DataModel.Core.CodingSchemeVersionOrTag versionOrTag - (Optional) Version or tag (like 'dev', 'production' etc) of the code system.
                                  • java.lang.String associationName - (Mandatory) Name of an association

                                  ...

                                  *Output: *

                                  ...

                                  org.LexGrid.relations.AssociationEntity - Association type details

                                  ...

                                  *Exception: *

                                  ...

                                  org.LexGrid.LexBIG.Exceptions.LBException

                                  ...

                                  *Sample Call: *

                                  • Step 1: Instantiate CodeSystemQueryOperation if it is not done yet :

                                    ...

                                    • Code Block
                                      
                                      org.lexevs.cts2.query.CodeSystemQueryOperation csQueryOp = new org.lexevs.cts2.LexEvsCTS2Impl().getQueryOperation().getCodeSystemQueryOperation();
                                      
                                    • Step 2: Populate CodeSystemVersionOrTag object:

                                      ...

                                      • Code Block
                                        
                                        CodingSchemeVersionOrTag versionOrTag = new CodingSchemeVersionOrTag();

                                      ...