Package org.linuxforhealth.fhir.persistence.jdbc.util

Class CacheUtil

  • public class CacheUtil
extends java.lang.Object
    Encapsulates a group of utility methods for managing and diagnosing the in-memory caches used by the JDBC PL.

    • Field Summary

      Fields 
      Modifier and Type Field Description
      protected static java.lang.String NEWLINE  

    • Constructor Summary

      Constructors 
      Constructor Description
      CacheUtil()  

    • Method Summary

      All Methods Static Methods Concrete Methods 
      Modifier and Type Method Description
      static java.lang.String dumpCacheContents​(java.lang.String cacheName, java.util.concurrent.ConcurrentHashMap<java.lang.String,​java.util.concurrent.ConcurrentHashMap<java.lang.String,​java.lang.Integer>> mapOfMaps)
      Takes the contents of one of the JDBC PL caches and represents the contents in a format suitable for logging.
      static java.lang.String reportCacheDiscrepancies​(java.lang.String cacheName, java.util.concurrent.ConcurrentHashMap<java.lang.String,​java.lang.Integer> cachedMap, java.util.Map<java.lang.String,​java.lang.Integer> dbMap)
      Reports on content discrepancies a JDBC PL cache and DB data that backs it.

      • Methods inherited from class java.lang.Object

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

    • Field Detail

      • NEWLINE

        protected static final java.lang.String NEWLINE

    • Constructor Detail

      • CacheUtil

        public CacheUtil()

    • Method Detail

      • dumpCacheContents

        public static java.lang.String dumpCacheContents​(java.lang.String cacheName,
                                                 java.util.concurrent.ConcurrentHashMap<java.lang.String,​java.util.concurrent.ConcurrentHashMap<java.lang.String,​java.lang.Integer>> mapOfMaps)
        Takes the contents of one of the JDBC PL caches and represents the contents in a format suitable for logging.
        Parameters:
        cacheName - - The name of the JDBC PL cache to be dumped.
        mapOfMaps - - The contents of the multi-datastore cache.
        Returns:
        String - A formatted representation of the cache contents.

      • reportCacheDiscrepancies

        public static java.lang.String reportCacheDiscrepancies​(java.lang.String cacheName,
                                                        java.util.concurrent.ConcurrentHashMap<java.lang.String,​java.lang.Integer> cachedMap,
                                                        java.util.Map<java.lang.String,​java.lang.Integer> dbMap)
        Reports on content discrepancies a JDBC PL cache and DB data that backs it.
        Parameters:
        cacheName - - The name of the JDBC PL cache to be examined.
        cachedMap - - The contents of the cache for a single tenantid/datastoreid combination.
        dbMap - - The contents of the DB table that back the passed cachedMap.
        Returns:
        String - A report of the discrepancies between the passed maps.