/*
 *  Copyright 1999-2019 Seata.io Group.
 *
 *  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 io.seata.core.context;

import java.util.HashMap;
import java.util.Map;

import io.seata.common.loader.LoadLevel;

/**
 * The type Thread local context core.
 *
 * @author slievrly
 */
@LoadLevel(name = "ThreadLocalContextCore", order = Integer.MIN_VALUE)
public class ThreadLocalContextCore implements ContextCore {

    private ThreadLocal<Map<String, String>> threadLocal = new ThreadLocal<Map<String, String>>() {
        @Override
        protected Map<String, String> initialValue() {
            return new HashMap<String, String>();
        }

    };

    @Override
    public String put(String key, String value) {
        return threadLocal.get().put(key, value);
    }

    @Override
    public String get(String key) {
        return threadLocal.get().get(key);
    }

    @Override
    public String remove(String key) {
        return threadLocal.get().remove(key);
    }

    @Override
    public Map<String, String> entries() {
        return threadLocal.get();
    }
}

@@ -688,17 +688,16 @@
 il.Map;%0A
-%0A
 import i
@@ -991,20 +991,16 @@
 dLocal =
- new
  ThreadL
@@ -1007,173 +1007,43 @@
 ocal
-%3CMap%3CString, String%3E%3E() %7B%0A        @Override%0A        protected Map%3CString, String%3E initialValue() %7B%0A            return new HashMap%3CString, String%3E();%0A        %7D%0A%0A    %7D
+.withInitial(() -%3E new HashMap%3C%3E())
 ;%0A%0A 

replace with lambda (#2967)