| CacheUpdater | 
 This is an abstract base class encapsulating functionality related to adding entries to a 
 JDBC PL in-memory cache. 
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| CacheUtil | 
 Encapsulates a group of utility methods for managing and diagnosing the in-memory caches used by the JDBC PL. 
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| CalendarHelper | 
 Helper for time and calendar-related functions related to JDBC statements and results 
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| CanonicalSupport | 
 Support class for processing query parameter data extracted from resources. 
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| CanonicalValue | 
 A canonical value, with processing applied to identify the uri, version, and fragment 
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| ExtractedSearchParameters | 
 Contains a list of extracted search parameters and a Base64-encoded hash. 
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| IncludeExtension | 
 A SearchExtension used to add InclusionParameter filters to the
 include query. 
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| JDBCParameterBuildingVisitor | 
 This class is the JDBC persistence layer implementation for transforming
 SearchParameters into Parameter Data Transfer Objects. 
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| NewQueryBuilder | 
 This is the JDBC implementation of a query builder for the IBM FHIR Server
 JDBC persistence layer schema. 
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| NewUriModifierUtil | 
 Encapsulates logic for building an expression for handling URI matching
 according to the FHIR R4 specification. 
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| ParameterHashVisitor | 
 Compute a cryptographic hash of the visited parameters. 
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| ParameterTableSupport | 
 Support functions for managing the search parameter value tables 
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| RevIncludeExtension | 
 SearchExtension for building _revinclude queries 
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| SqlParameterEncoder | 
 Provides custom encoding and escaping functions for use by the JDBCQueryBuilder. 
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| TimestampPrefixedUUID | 
 Provides identity strings using random UUID for uniqueness but
 prefixed with an encoded time string to improve database locality
 when used in b-tree indexes. 
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| UriModifierUtil | 
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| WholeSystemDataExtension | 
 A SearchExtension used to add whole-system data search filters to the
 whole-system data query. 
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| WholeSystemResourceTypeExtension | 
 A SearchExtension used to add resource type id filters to the
 whole-system count and data filter queries when the _type parameter
 is specified. 
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