/*
* 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.executor.hll;
import org.apache.geode.redis.internal.ByteArrayWrapper;
import org.apache.geode.redis.internal.ExecutionHandlerContext;
import org.apache.geode.redis.internal.RedisDataType;
import org.apache.geode.redis.internal.RedisDataTypeMismatchException;
import org.apache.geode.redis.internal.executor.AbstractExecutor;
public abstract class HllExecutor extends AbstractExecutor {
public static final Double DEFAULT_HLL_STD_DEV = 0.081;
public static final Integer DEFAULT_HLL_DENSE = 18;
public static final Integer DEFAULT_HLL_SPARSE = 32;
protected final void checkAndSetDataType(ByteArrayWrapper key, ExecutionHandlerContext context) {
Object oldVal = context.getRegionProvider().metaPutIfAbsent(key, RedisDataType.REDIS_HLL);
if (oldVal == RedisDataType.REDIS_PROTECTED)
throw new RedisDataTypeMismatchException("The key name \"" + key + "\" is protected");
if (oldVal != null && oldVal != RedisDataType.REDIS_HLL)
throw new RedisDataTypeMismatchException(
"The key name \"" + key + "\" is already used by a " + oldVal.toString());
}
}