Extract memory cache and register with cache manager

pom.xml

@@ -12,7 +12,7 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <maven-compiler-plugin.version>3.1</maven-compiler-plugin.version>
 
-        <endeavour-common.version>2.78</endeavour-common.version>
+        <endeavour-common.version>2.81</endeavour-common.version>
         <hibernate.version>5.2.5.Final</hibernate.version>
         <hikari.version>2.5.1</hikari.version>
         <junit.version>4.12</junit.version>

src/configmanager/src/main/java/org/endeavourhealth/common/config/ConfigCache.java

@@ -0,0 +1,35 @@
+package org.endeavourhealth.common.config;
+
+import org.endeavourhealth.common.cache.ICache;
+import org.endeavourhealth.common.config.models.ConfigCacheEntry;
+
+import java.util.HashMap;
+import java.util.Map;
+
+public class ConfigCache implements ICache {
+	private static Map<String, ConfigCacheEntry> _configCache = new HashMap<>();
+
+	@Override
+	public String getName() {
+		return "ConfigCache";
+	}
+
+	@Override
+	public long getSize() {
+		return _configCache.size();
+	}
+
+	@Override
+	public void clearCache() {
+		_configCache.clear();
+	}
+
+
+	public ConfigCacheEntry get(String configId, String appId) {
+		return _configCache.get(configId + appId);
+	}
+
+	public void put(String configId, String appId, ConfigCacheEntry cacheEntry) {
+		_configCache.put(configId + appId, cacheEntry);
+	}
+}

src/configmanager/src/main/java/org/endeavourhealth/common/config/ConfigManager.java

@@ -3,6 +3,7 @@
 import ch.qos.logback.classic.LoggerContext;
 import ch.qos.logback.classic.joran.JoranConfigurator;
 import com.fasterxml.jackson.databind.JsonNode;
+import org.endeavourhealth.common.cache.CacheManager;
 import org.endeavourhealth.common.cache.ObjectMapperPool;
 import org.endeavourhealth.common.config.db.DatabaseLayer;
 import org.endeavourhealth.common.config.db.JdbcLayer;
@@ -12,8 +13,6 @@
 
 import java.io.*;
 import java.nio.charset.StandardCharsets;
-import java.util.HashMap;
-import java.util.Map;
 import java.util.Properties;
 
 public class ConfigManager {
@@ -24,14 +23,16 @@ public class ConfigManager {
 
 	static DatabaseLayer _databaseLayer;
 	private static String _appId;
-	private static Map<String, ConfigCacheEntry> _configCache = new HashMap<>();
+	private static ConfigCache _configCache;
 
 	static { //runs when the main class is loaded.
 		LOG.info("Config manager created");
 		System.setProperty("org.jboss.logging.provider", "slf4j");
 		LOG.info("Jboss logging switched to slf4j");
 
 		_databaseLayer = new JdbcLayer();
+		_configCache = new ConfigCache();
+		CacheManager.registerCache(_configCache);
 	}
 
 	public synchronized static void Initialize(String appId) throws ConfigManagerException {
@@ -80,27 +81,28 @@ public static String getConfiguration(String configId) {
 
 	public synchronized static String getConfiguration(String configId, String appIdParam) {
 		// Try to get from cache
-		ConfigCacheEntry cacheEntry = _configCache.get(configId + appIdParam);
+		ConfigCacheEntry cacheEntry = _configCache.get(configId, appIdParam);
 		if (cacheEntry!=null && !cacheEntry.isExpired())
 			return cacheEntry.getConfigData();
 
-		cacheEntry = _configCache.get(configId + APP_GLOBAL);
+		// If no app specific result, look for a global setting
+		cacheEntry = _configCache.get(configId, APP_GLOBAL);
 		if (cacheEntry!=null && !cacheEntry.isExpired())
 			return cacheEntry.getConfigData();
 
 		// Failed, now try DB
 		String data = _databaseLayer.getConfiguration(configId, appIdParam);
 		if (data != null) {
 			cacheEntry = new ConfigCacheEntry(data);
-			_configCache.put(configId + appIdParam, cacheEntry);
+			_configCache.put(configId, appIdParam, cacheEntry);
 			return data;
 		}
 
 		// If no app specific result, look for a global setting
 		data = _databaseLayer.getConfiguration(configId, APP_GLOBAL);
 		if (data != null) {
 			cacheEntry = new ConfigCacheEntry(data);
-			_configCache.put(configId + APP_GLOBAL, cacheEntry);
+			_configCache.put(configId, APP_GLOBAL, cacheEntry);
 			return data;
 		}