ringles commented on a change in pull request #7403:
URL: https://github.com/apache/geode/pull/7403#discussion_r832343402
##########
File path:
geode-for-redis/src/main/java/org/apache/geode/redis/internal/data/RedisList.java
##########
@@ -127,50 +127,139 @@ private int getArrayIndex(int listIndex) {
}
/**
- * @param elementsToAdd elements to add to this set; NOTE this list may by
modified by this call
- * @param region the region this instance is stored in
- * @param key the name of the set to add to
- * @param onlyIfExists if true then the elements should only be added if the
key already exists
- * and holds a list, otherwise no operation is performed.
- * @return the length of the list after the operation
- */
- public long lpush(List<byte[]> elementsToAdd, Region<RedisKey, RedisData>
region, RedisKey key,
- final boolean onlyIfExists) {
- elementsPush(elementsToAdd);
- storeChanges(region, key, new AddByteArrays(elementsToAdd));
+ * @return the number of elements in the list
+ **/
+ public int llen() {
return elementList.size();
}
/**
* @param region the region this instance is stored in
- * @param key the name of the set to add to
+ * @param key the name of the list to add to
* @return the element actually popped
*/
public byte[] lpop(Region<RedisKey, RedisData> region, RedisKey key) {
- byte[] popped = elementRemove(0);
- RemoveElementsByIndex removed = new RemoveElementsByIndex();
- removed.add(0);
+ byte newVersion;
+ byte[] popped;
+ RemoveElementsByIndex removed;
+ synchronized (this) {
+ newVersion = incrementAndGetVersion();
+ popped = removeFirstElement();
+ removed = new RemoveElementsByIndex(newVersion);
Review comment:
Outdated now.
##########
File path:
geode-for-redis/src/main/java/org/apache/geode/redis/internal/data/RedisList.java
##########
@@ -127,50 +127,139 @@ private int getArrayIndex(int listIndex) {
}
/**
- * @param elementsToAdd elements to add to this set; NOTE this list may by
modified by this call
- * @param region the region this instance is stored in
- * @param key the name of the set to add to
- * @param onlyIfExists if true then the elements should only be added if the
key already exists
- * and holds a list, otherwise no operation is performed.
- * @return the length of the list after the operation
- */
- public long lpush(List<byte[]> elementsToAdd, Region<RedisKey, RedisData>
region, RedisKey key,
- final boolean onlyIfExists) {
- elementsPush(elementsToAdd);
- storeChanges(region, key, new AddByteArrays(elementsToAdd));
+ * @return the number of elements in the list
+ **/
+ public int llen() {
return elementList.size();
}
/**
* @param region the region this instance is stored in
- * @param key the name of the set to add to
+ * @param key the name of the list to add to
Review comment:
Fixed
##########
File path:
geode-for-redis/src/main/java/org/apache/geode/redis/internal/commands/executor/list/LTrimExecutor.java
##########
@@ -0,0 +1,57 @@
+/*
+ * 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.geode.redis.internal.commands.executor.list;
+
+import static org.apache.geode.redis.internal.RedisConstants.ERROR_NOT_INTEGER;
+
+import java.util.List;
+
+import org.apache.geode.cache.Region;
+import org.apache.geode.redis.internal.commands.Command;
+import org.apache.geode.redis.internal.commands.executor.CommandExecutor;
+import org.apache.geode.redis.internal.commands.executor.RedisResponse;
+import org.apache.geode.redis.internal.data.RedisData;
+import org.apache.geode.redis.internal.data.RedisKey;
+import org.apache.geode.redis.internal.netty.Coder;
+import org.apache.geode.redis.internal.netty.ExecutionHandlerContext;
+
+public class LTrimExecutor implements CommandExecutor {
+ private static final int startIndex = 2;
+ private static final int stopIndex = 3;
+
+ @Override
+ public RedisResponse executeCommand(Command command, ExecutionHandlerContext
context) {
+ List<byte[]> commandElems = command.getProcessedCommand();
+ Region<RedisKey, RedisData> region = context.getRegion();
+ RedisKey key = command.getKey();
+
+ long start;
+ long end;
+
+ try {
+ byte[] startI = commandElems.get(startIndex);
+ byte[] stopI = commandElems.get(stopIndex);
+ start = Coder.bytesToLong(startI);
+ end = Coder.bytesToLong(stopI);
+ } catch (NumberFormatException e) {
+ return RedisResponse.error(ERROR_NOT_INTEGER);
+ }
+
+ byte[] retVal =
+ context.listLockedExecute(key, false, list -> list.ltrim(start, end,
region, key));
+ // return RedisResponse.error(ERROR_NOT_INTEGER);
Review comment:
Yanked.
--
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
To unsubscribe, e-mail: [email protected]
For queries about this service, please contact Infrastructure at:
[email protected]
