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Posted to oak-commits@jackrabbit.apache.org by mr...@apache.org on 2013/04/15 15:13:55 UTC
svn commit: r1468039 -
/jackrabbit/oak/trunk/oak-mongomk/src/main/java/org/apache/jackrabbit/mongomk/LoggingDocumentStoreWrapper.java
Author: mreutegg
Date: Mon Apr 15 13:13:54 2013
New Revision: 1468039
URL: http://svn.apache.org/r1468039
Log:
OAK-619 Lock-free MongoMK implementation
- A logging DocumentStore wrapper
Added:
jackrabbit/oak/trunk/oak-mongomk/src/main/java/org/apache/jackrabbit/mongomk/LoggingDocumentStoreWrapper.java (with props)
Added: jackrabbit/oak/trunk/oak-mongomk/src/main/java/org/apache/jackrabbit/mongomk/LoggingDocumentStoreWrapper.java
URL: http://svn.apache.org/viewvc/jackrabbit/oak/trunk/oak-mongomk/src/main/java/org/apache/jackrabbit/mongomk/LoggingDocumentStoreWrapper.java?rev=1468039&view=auto
==============================================================================
--- jackrabbit/oak/trunk/oak-mongomk/src/main/java/org/apache/jackrabbit/mongomk/LoggingDocumentStoreWrapper.java (added)
+++ jackrabbit/oak/trunk/oak-mongomk/src/main/java/org/apache/jackrabbit/mongomk/LoggingDocumentStoreWrapper.java Mon Apr 15 13:13:54 2013
@@ -0,0 +1,197 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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 org.apache.jackrabbit.mongomk;
+
+import java.util.List;
+import java.util.Map;
+
+import javax.annotation.Nonnull;
+
+import org.apache.jackrabbit.mk.api.MicroKernelException;
+import org.apache.jackrabbit.mk.json.JsopBuilder;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * Implements a <code>DocumentStore</code> wrapper and logs all calls.
+ */
+public class LoggingDocumentStoreWrapper implements DocumentStore {
+
+ private static final Logger LOG = LoggerFactory.getLogger(LoggingDocumentStoreWrapper.class);
+
+ private static final boolean DEBUG = Boolean.parseBoolean(System.getProperty("ds.debug", "true"));
+
+ private final DocumentStore store;
+
+ public LoggingDocumentStoreWrapper(DocumentStore store) {
+ this.store = store;
+ }
+
+ @Override
+ public Map<String, Object> find(Collection collection, String key) {
+ try {
+ logMethod("find", collection, key);
+ return logResult(store.find(collection, key));
+ } catch (Exception e) {
+ logException(e);
+ throw convert(e);
+ }
+ }
+
+ @Override
+ public Map<String, Object> find(Collection collection,
+ String key,
+ int maxCacheAge) {
+ try {
+ logMethod("find", collection, key, maxCacheAge);
+ return logResult(store.find(collection, key, maxCacheAge));
+ } catch (Exception e) {
+ logException(e);
+ throw convert(e);
+ }
+ }
+
+ @Nonnull
+ @Override
+ public List<Map<String, Object>> query(Collection collection,
+ String fromKey,
+ String toKey,
+ int limit) {
+ try {
+ logMethod("query", collection, fromKey, toKey, limit);
+ return logResult(store.query(collection, fromKey, toKey, limit));
+ } catch (Exception e) {
+ logException(e);
+ throw convert(e);
+ }
+ }
+
+ @Override
+ public void remove(Collection collection, String key) {
+ try {
+ logMethod("remove", collection, key);
+ store.remove(collection, key);
+ } catch (Exception e) {
+ logException(e);
+ throw convert(e);
+ }
+ }
+
+ @Override
+ public boolean create(Collection collection, List<UpdateOp> updateOps) {
+ try {
+ logMethod("create", collection, updateOps);
+ return logResult(store.create(collection, updateOps));
+ } catch (Exception e) {
+ logException(e);
+ throw convert(e);
+ }
+ }
+
+ @Nonnull
+ @Override
+ public Map<String, Object> createOrUpdate(Collection collection,
+ UpdateOp update)
+ throws MicroKernelException {
+ try {
+ logMethod("createOrUpdate", collection, update);
+ return logResult(store.createOrUpdate(collection, update));
+ } catch (Exception e) {
+ logException(e);
+ throw convert(e);
+ }
+ }
+
+ @Override
+ public void invalidateCache() {
+ try {
+ logMethod("invalidateCache");
+ store.invalidateCache();
+ } catch (Exception e) {
+ logException(e);
+ throw convert(e);
+ }
+ }
+
+ @Override
+ public void dispose() {
+ try {
+ logMethod("dispose");
+ store.dispose();
+ } catch (Exception e) {
+ logException(e);
+ throw convert(e);
+ }
+ }
+
+ @Override
+ public boolean isCached(Collection collection, String key) {
+ try {
+ logMethod("isCached", collection, key);
+ return logResult(store.isCached(collection, key));
+ } catch (Exception e) {
+ logException(e);
+ throw convert(e);
+ }
+ }
+
+ private void logMethod(String methodName, Object... args) {
+ StringBuilder buff = new StringBuilder("ds");
+ buff.append('.').append(methodName).append('(');
+ for (int i = 0; i < args.length; i++) {
+ if (i > 0) {
+ buff.append(", ");
+ }
+ buff.append(quote(args[i]));
+ }
+ buff.append(");");
+ log(buff.toString());
+ }
+
+ public static String quote(Object o) {
+ if (o == null) {
+ return "null";
+ } else if (o instanceof String) {
+ return JsopBuilder.encode((String) o);
+ }
+ return o.toString();
+ }
+
+ private static RuntimeException convert(Exception e) {
+ if (e instanceof RuntimeException) {
+ return (RuntimeException) e;
+ }
+ log("// unexpected exception type: " + e.getClass().getName());
+ return new MicroKernelException("Unexpected exception: " + e.toString(), e);
+ }
+
+ private static void logException(Exception e) {
+ log("// exception: " + e.toString());
+ }
+
+ private static <T> T logResult(T result) {
+ log("// " + quote(result));
+ return result;
+ }
+
+ private static void log(String message) {
+ if (DEBUG) {
+ System.out.println(message);
+ }
+ LOG.info(message);
+ }
+}
Propchange: jackrabbit/oak/trunk/oak-mongomk/src/main/java/org/apache/jackrabbit/mongomk/LoggingDocumentStoreWrapper.java
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Propchange: jackrabbit/oak/trunk/oak-mongomk/src/main/java/org/apache/jackrabbit/mongomk/LoggingDocumentStoreWrapper.java
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svn:keywords = Author Date Id Revision Rev URL