Package com.ibm.fhir.persistence.jdbc.util

Class ParameterNamesCache

java.lang.Object

com.ibm.fhir.persistence.jdbc.util.ParameterNamesCache

public class ParameterNamesCache
extends Object

This class provides a static cache for FHIR Search Parameter names.

Constructor Summary

Constructors

Constructor	Description
ParameterNamesCache()

Method Summary

Modifier and Type	Method	Description
static String	dumpCacheContents()
static String	getCacheNameForTenantDatastore()	Returns a String containing a combination of the current tenantId and datastoreId.
static Integer	getParameterNameId(String parameterName)	Retrieves the id for the name contained in the passed Parameter, for the current tenant-datastore.
static boolean	isEnabled()
static void	putParameterNameId(String tenantDatastoreCacheName, String parameterName, Integer parameterId)	Adds the passed parameter name and id to the current tenant-datastore cache.
static void	putParameterNameIds(String tenantDatastoreCacheName, Map<String,Integer> newParameters)	Adds the passed search parameter name/id pairs to the the current tenant-datastore cache.
static String	reportCacheDiscrepancies(ParameterDAO dao)	Determines and reports any discrepancies between the current thread's Parameter Names cache and the contents of the database PARAMETER_NAMES table.
static void	setEnabled(boolean newEnabled)

Methods inherited from class java.lang.Object

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

Constructor Detail

ParameterNamesCache

public ParameterNamesCache()

Method Detail

getParameterNameId

public static Integer getParameterNameId(String parameterName)

Retrieves the id for the name contained in the passed Parameter, for the current tenant-datastore. If not found, null is returned.

Parameters:

parameterName - A valid FHIR search parameter name.

Returns:

Integer The id corresponding to the parameter name.

Throws:

FHIRPersistenceDataAccessException

FHIRPersistenceDBConnectException

putParameterNameId

public static void putParameterNameId(String tenantDatastoreCacheName,
                                      String parameterName,
                                      Integer parameterId)

Adds the passed parameter name and id to the current tenant-datastore cache.

Parameters:

tenantDatastoreCacheName - The name of the datastore-specific cache the entry should be added to.

parameterName - A valid search parameter name.

parameterId - The id associated with the passed parameter name.

putParameterNameIds

public static void putParameterNameIds(String tenantDatastoreCacheName,
                                       Map<String,Integer> newParameters)

Adds the passed search parameter name/id pairs to the the current tenant-datastore cache.

Parameters:

tenantDatastoreCacheName - The name of the datastore-specific cache the entry should be added to.

newParameters - A Map containing parameter name/id pairs.

getCacheNameForTenantDatastore

public static String getCacheNameForTenantDatastore()

Returns a String containing a combination of the current tenantId and datastoreId.

Returns:

dumpCacheContents

public static String dumpCacheContents()

Returns:

String - A formatted representation of the entire cache managed by this class.

reportCacheDiscrepancies

public static String reportCacheDiscrepancies(ParameterDAO dao)

Determines and reports any discrepancies between the current thread's Parameter Names cache and the contents of the database PARAMETER_NAMES table.

Parameters:

dao - A Parameter DAO instance

Returns:

String - A report detailing cache/db discrepancies.

isEnabled

public static boolean isEnabled()

setEnabled

public static void setEnabled(boolean newEnabled)