/*
* Copyright 2014 NAVER Corp.
* 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.navercorp.pinpoint.plugin.arcus.filter;
import java.lang.reflect.Modifier;
import java.util.HashMap;
import java.util.Map;
import com.navercorp.pinpoint.bootstrap.instrument.MethodFilter;
import com.navercorp.pinpoint.bootstrap.instrument.InstrumentMethod;
/**
* @author emeroad
*/
public class MemcachedMethodFilter implements MethodFilter {
private final static Object FIND = new Object();
private final static Map<String, Object> WHITE_LIST_API;
static {
WHITE_LIST_API = createRule();
}
private static Map<String, Object> createRule() {
String[] apiList = {
"add",
"append",
"asyncCAS",
"asyncDecr",
"asyncGet",
"asyncGetAndTouch",
"asyncGetBulk",
"asyncGets",
"asyncIncr",
"cas",
"decr",
"delete",
"get",
"getAndTouch",
"getBulk",
"gets",
"incr",
"prepend",
"replace",
"set",
"touch"
};
Map<String, Object> rule = new HashMap<String, Object>();
for (String api : apiList) {
rule.put(api, FIND);
}
return rule;
}
public MemcachedMethodFilter() {
}
@Override
public boolean accept(InstrumentMethod ctMethod) {
final int modifiers = ctMethod.getModifiers();
if (!Modifier.isPublic(modifiers) || Modifier.isStatic(modifiers) || Modifier.isAbstract(modifiers) || Modifier.isNative(modifiers)) {
return REJECT;
}
if (WHITE_LIST_API.get(ctMethod.getName()) == FIND) {
return ACCEPT;
}
return REJECT;
}
}