| 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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| CodeSystemsCache | 
 This class provides a static cache for FHIR Systems that are part of Token type Search parameters. 
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| CodeSystemsCacheUpdater | 
 This cache update writes its Code Systems cache candidates to the CodeSystemsCache upon a transaction commit. 
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| DerbyBootstrapper | 
 This class contains bootstrapping code for the Derby Database. 
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| InclusionQuerySegmentAggregator | 
 This class assists the JDBCQueryBuilder. 
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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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| JDBCQueryBuilder | 
 This is the JDBC implementation of a query builder for the IBM FHIR Server
 JDBC persistence layer schema. 
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| ParameterNamesCache | 
 This class provides a static cache for FHIR Search Parameter names. 
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| ParameterNamesCacheUpdater | 
 This cache updater writes its Parameter Names cache candidates to the ParameterNamesCache upon a transaction commit. 
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| QuerySegmentAggregator | 
 This class assists the JDBCQueryBuilder. 
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| QuerySegmentAggregatorFactory | 
 Encapsulates the logic for creating QuerySegmentAggegator and subclass instances. 
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| ResourceTypesCache | 
 This class provides a static cache for FHIR Resource type names. 
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| ResourceTypesCacheUpdater | 
 This cache updater writes its Resource Types cache candidates to the ResourceTypesCache upon a transaction commit. 
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| SortedQuerySegmentAggregator | 
 This class assists the JDBCQueryBuilder. 
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| SqlParameterEncoder | 
 Provides custom encoding and escaping functions for use by the JDBCQueryBuilder. 
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| SqlQueryData | 
 This class assists the JDBCQueryBuilder by encapsulating either a where clause segment or a complete SQL query along 
 with any associated bind variables. 
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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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