PL-5127 Temporary cache for non-cached configs on web

modules/client/src/com/haulmont/cuba/client/sys/ConfigurationClientImpl.java

@@ -21,9 +21,10 @@ import com.haulmont.cuba.client.ClientConfiguration;
 import com.haulmont.cuba.client.sys.config.ConfigPersisterClientImpl;
 import com.haulmont.cuba.core.config.Config;
 import com.haulmont.cuba.core.config.ConfigHandler;
+import com.haulmont.cuba.core.config.ConfigPersister;
 import com.haulmont.cuba.core.global.Configuration;
-
 import org.springframework.stereotype.Component;
+
 import java.lang.reflect.Proxy;
 import java.util.Map;
 import java.util.concurrent.ConcurrentHashMap;
@@ -37,7 +38,7 @@ public class ConfigurationClientImpl implements ClientConfiguration {
     public <T extends Config> T getConfig(Class<T> configInterface) {
         ConfigHandler handler = handlersCache.get(configInterface);
         if (handler == null) {
-            handler = new ConfigHandler(new ConfigPersisterClientImpl(false), configInterface);
+            handler = new ConfigHandler(createConfigPersister(false), configInterface);
             handlersCache.put(configInterface, handler);
         }
         ClassLoader classLoader = configInterface.getClassLoader();
@@ -47,8 +48,12 @@ public class ConfigurationClientImpl implements ClientConfiguration {
 
     @Override
     public <T extends Config> T getConfigCached(Class<T> configInterface) {
-        ConfigHandler handler = new ConfigHandler(new ConfigPersisterClientImpl(true), configInterface);
+        ConfigHandler handler = new ConfigHandler(createConfigPersister(true), configInterface);
         Object proxy = Proxy.newProxyInstance(configInterface.getClassLoader(), new Class[]{configInterface}, handler);
         return configInterface.cast(proxy);
     }
+
+    protected ConfigPersister createConfigPersister(boolean caching) {
+        return new ConfigPersisterClientImpl(caching);
+    }
 }

modules/desktop/src/com/haulmont/cuba/desktop/sys/config/DesktopConfigurationImpl.java

@@ -18,41 +18,20 @@
 package com.haulmont.cuba.desktop.sys.config;
 
 import com.haulmont.cuba.client.ClientConfiguration;
-import com.haulmont.cuba.core.config.Config;
-import com.haulmont.cuba.core.config.ConfigHandler;
-
-import java.lang.reflect.Proxy;
-import java.util.Map;
-import java.util.concurrent.ConcurrentHashMap;
+import com.haulmont.cuba.client.sys.ConfigurationClientImpl;
+import com.haulmont.cuba.core.config.ConfigPersister;
 
 /**
  * Desktop specific implementation of Configuration that uses application scope cache for db properties.
  *
  * @see com.haulmont.cuba.desktop.sys.config.DesktopConfigStorageCache
- *
  */
-public class DesktopConfigurationImpl implements ClientConfiguration {
-
-    protected Map<Class, ConfigHandler> handlersCache = new ConcurrentHashMap<>();
+public class DesktopConfigurationImpl extends ConfigurationClientImpl implements ClientConfiguration {
 
     protected DesktopConfigStorageCache configStorageCache = new DesktopConfigStorageCache();
 
     @Override
-    public <T extends Config> T getConfig(Class<T> configInterface) {
-        ConfigHandler handler = handlersCache.get(configInterface);
-        if (handler == null) {
-            handler = new ConfigHandler(new DesktopConfigPersisterImpl(configStorageCache, false), configInterface);
-            handlersCache.put(configInterface, handler);
-        }
-        ClassLoader classLoader = configInterface.getClassLoader();
-        Object proxy = Proxy.newProxyInstance(classLoader, new Class[]{configInterface}, handler);
-        return configInterface.cast(proxy);
-    }
-
-    @Override
-    public <T extends Config> T getConfigCached(Class<T> configInterface) {
-        ConfigHandler handler = new ConfigHandler(new DesktopConfigPersisterImpl(configStorageCache, true), configInterface);
-        Object proxy = Proxy.newProxyInstance(configInterface.getClassLoader(), new Class[]{configInterface}, handler);
-        return configInterface.cast(proxy);
+    protected ConfigPersister createConfigPersister(boolean caching) {
+        return new DesktopConfigPersisterImpl(configStorageCache, caching);
     }
 }

modules/web/src/com/haulmont/cuba/web/cache/WebConfigCacheStrategy.java

@@ -0,0 +1,80 @@
+/*
+ * Copyright (c) 2008-2016 Haulmont.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.haulmont.cuba.web.cache;
+
+import com.haulmont.cuba.client.sys.cache.CachingStrategy;
+import com.haulmont.cuba.core.app.ConfigStorageService;
+import org.springframework.stereotype.Component;
+
+import javax.inject.Inject;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.concurrent.locks.ReadWriteLock;
+import java.util.concurrent.locks.ReentrantReadWriteLock;
+
+@Component(WebConfigCacheStrategy.NAME)
+public class WebConfigCacheStrategy implements CachingStrategy {
+    public static final String NAME = "cuba_WebConfigCacheStrategy";
+
+    protected volatile Map<String, String> cachedProperties = Collections.unmodifiableMap(new HashMap<>());
+
+    @Inject
+    protected ConfigStorageService configStorageService;
+
+    protected volatile long lastUsedTs = 0;
+    protected volatile long updateIntervalMs = 60 * 1000;
+
+    protected ReadWriteLock readWriteLock = new ReentrantReadWriteLock();
+
+    @Override
+    public void init() {
+    }
+
+    @Override
+    public Object getObject() {
+        return cachedProperties;
+    }
+
+    @Override
+    public Object loadObject() {
+        Map<String, String> cachedPropertiesFromServer = Collections.unmodifiableMap(configStorageService.getDbProperties());
+
+        cachedProperties = cachedPropertiesFromServer;
+        lastUsedTs = System.currentTimeMillis();
+
+        return cachedPropertiesFromServer;
+    }
+
+    @Override
+    public ReadWriteLock lock() {
+        return readWriteLock;
+    }
+
+    @Override
+    public boolean needToReload() {
+        return System.currentTimeMillis() - lastUsedTs > updateIntervalMs;
+    }
+
+    public long getUpdateIntervalMs() {
+        return updateIntervalMs;
+    }
+
+    public void setUpdateIntervalMs(long updateIntervalMs) {
+        this.updateIntervalMs = updateIntervalMs;
+    }
+}

modules/web/src/com/haulmont/cuba/web/sys/config/WebConfigStorageCache.java

@@ -0,0 +1,58 @@
+/*
+ * Copyright (c) 2008-2016 Haulmont.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.haulmont.cuba.web.sys.config;
+
+import com.haulmont.cuba.client.sys.cache.ClientCacheManager;
+import com.haulmont.cuba.core.app.ConfigStorageService;
+import com.haulmont.cuba.core.config.AppPropertyEntity;
+import com.haulmont.cuba.core.global.AppBeans;
+import com.haulmont.cuba.web.cache.WebConfigCacheStrategy;
+
+import java.util.List;
+import java.util.Map;
+
+public class WebConfigStorageCache implements ConfigStorageService {
+    @Override
+    public Map<String, String> getDbProperties() {
+        return getClientCacheManager().getCached(WebConfigCacheStrategy.NAME);
+    }
+
+    @Override
+    public String getDbProperty(String name) {
+        return getDbProperties().get(name);
+    }
+
+    @Override
+    public void setDbProperty(String name, String value) {
+        getService().setDbProperty(name, value);
+
+        getClientCacheManager().refreshCached(WebConfigStorageCache.NAME);
+    }
+
+    protected ConfigStorageService getService() {
+        return AppBeans.get(ConfigStorageService.NAME);
+    }
+
+    protected ClientCacheManager getClientCacheManager() {
+        return AppBeans.get(ClientCacheManager.NAME);
+    }
+
+    @Override
+    public List<AppPropertyEntity> getAppProperties() {
+        return getService().getAppProperties();
+    }
+}

modules/web/src/com/haulmont/cuba/web/sys/config/WebConfigStoragePersisterImpl.java

@@ -0,0 +1,34 @@
+/*
+ * Copyright (c) 2008-2016 Haulmont.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.haulmont.cuba.web.sys.config;
+
+import com.haulmont.cuba.client.sys.config.ConfigPersisterClientImpl;
+import com.haulmont.cuba.core.app.ConfigStorageService;
+
+public class WebConfigStoragePersisterImpl extends ConfigPersisterClientImpl {
+    private WebConfigStorageCache configStorageCache;
+
+    public WebConfigStoragePersisterImpl(WebConfigStorageCache configStorageCache, boolean caching) {
+        super(caching);
+        this.configStorageCache = configStorageCache;
+    }
+
+    @Override
+    protected ConfigStorageService getConfigStorage() {
+        return configStorageCache;
+    }
+}

modules/web/src/com/haulmont/cuba/web/sys/config/WebConfigurationImpl.java

@@ -0,0 +1,30 @@
+/*
+ * Copyright (c) 2008-2016 Haulmont.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.haulmont.cuba.web.sys.config;
+
+import com.haulmont.cuba.client.ClientConfiguration;
+import com.haulmont.cuba.client.sys.ConfigurationClientImpl;
+import com.haulmont.cuba.core.config.ConfigPersister;
+
+public class WebConfigurationImpl extends ConfigurationClientImpl implements ClientConfiguration {
+    protected WebConfigStorageCache configStorageCache = new WebConfigStorageCache();
+
+    @Override
+    protected ConfigPersister createConfigPersister(boolean caching) {
+        return new WebConfigStoragePersisterImpl(configStorageCache, caching);
+    }
+}

modules/web/src/cuba-web-spring.xml

@@ -40,6 +40,8 @@
         <property name="encryptionModule" ref="${cuba.passwordEncryptionModule}"/>
     </bean>
 
+    <bean id="cuba_Configuration" class="com.haulmont.cuba.web.sys.config.WebConfigurationImpl"/>
+
     <!-- MBeans registration -->
 
     <bean id="cuba_web_MBeanExporter" class="com.haulmont.cuba.core.sys.jmx.MBeanExporter" lazy-init="false">