Package org.linuxforhealth.fhir.persistence.jdbc.domain

Class SearchQuery

java.lang.Object

org.linuxforhealth.fhir.persistence.jdbc.domain.SearchQuery

Direct Known Subclasses:

SearchCountQuery, SearchDataQuery, SearchIncludeQuery, SearchSortQuery, SearchWholeSystemDataQuery, SearchWholeSystemFilterQuery, SearchWholeSystemQuery

public abstract class SearchQuery
extends java.lang.Object

Abstract model of a FHIR search query we intend to build. The purpose of this class and its sub-classes is to drive calls to a SearchQueryVisitor implementation to render a runnable SQL statement.

Field Summary

Fields

Modifier and Type	Field	Description
protected java.util.List<SearchExtension>	extensions
static boolean	INCLUDE_RESOURCE_TYPE_ID

Constructor Summary

Constructors

Constructor	Description
SearchQuery(java.lang.String rootResourceType)	Public constructor

Method Summary

Modifier and Type	Method	Description
void	add(SearchExtension ext)	Add the search extension to the model
void	add(SearchParam sp)	Add the search parameter to the model
abstract <T> T	getRoot(SearchQueryVisitor<T> visitor)	Process the logical query definition through the visitor
java.lang.String	getRootResourceType()	Getter for the root resource type for this search query
<T> T	visit(SearchQueryVisitor<T> visitor)	Get the root query and attach the parameter filters to it
<T> void	visitExtensions(T query, SearchQueryVisitor<T> visitor)	Visit each of the extensions configured for this query
protected <T> void	visitSearchParams(T query, SearchQueryVisitor<T> visitor)	Visit each of the search parameters

Methods inherited from class java.lang.Object

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

Field Detail

INCLUDE_RESOURCE_TYPE_ID

public static final boolean INCLUDE_RESOURCE_TYPE_ID

See Also:

Constant Field Values

extensions

protected final java.util.List<SearchExtension> extensions

Constructor Detail

SearchQuery

public SearchQuery(java.lang.String rootResourceType)

Public constructor

Parameters:

rootResourceType -

Method Detail

getRootResourceType

public java.lang.String getRootResourceType()

Getter for the root resource type for this search query

Returns:

add

public void add(SearchParam sp)

Add the search parameter to the model

Parameters:

sp -

add

public void add(SearchExtension ext)

Add the search extension to the model

Parameters:

ext -

visit

public <T> T visit(SearchQueryVisitor<T> visitor)
            throws FHIRPersistenceException

Get the root query and attach the parameter filters to it

Type Parameters:

T -

Parameters:

visitor -

Returns:

Throws:

FHIRPersistenceException

visitExtensions

public <T> void visitExtensions(T query,
                                SearchQueryVisitor<T> visitor)
                         throws FHIRPersistenceException

Visit each of the extensions configured for this query

Type Parameters:

T -

Parameters:

query -

visitor -

Throws:

FHIRPersistenceException

getRoot

public abstract <T> T getRoot(SearchQueryVisitor<T> visitor)

Process the logical query definition through the visitor

Type Parameters:

T -

Parameters:

visitor -

Returns:

visitSearchParams

protected <T> void visitSearchParams(T query,
                                     SearchQueryVisitor<T> visitor)
                              throws FHIRPersistenceException

Visit each of the search parameters

Type Parameters:

T -

Parameters:

query -

visitor -

Throws:

FHIRPersistenceException