/*
 * 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.solr.logging;

import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * Utility to log a deprecation.
 */
public class DeprecationLog {

  public static final String LOG_PREFIX = "org.apache.solr.DEPRECATED.";

  // featureId -> message.  Don't really need the message
  private static final Map<String, String> alreadyLogged = new ConcurrentHashMap<>();

  /**
   * Logs a deprecation warning for the provided feature, but only the first time.
   * The logger name used is {@value LOG_PREFIX} + {@code featureId}.
   * Remember that logger names are disable-able via configuration if needed.
   * @return true if logged
   */
  public static boolean log(String featureId, String message) {
    if (alreadyLogged.putIfAbsent(featureId, message) != null) {
      return false;
    }
    Logger log = LoggerFactory.getLogger(LOG_PREFIX + featureId);
    log.warn(message);
    return true;
  }
}

@@ -830,16 +830,55 @@
 gging;%0A%0A
+import java.lang.invoke.MethodHandles;%0A
 import j
@@ -891,16 +891,16 @@
 il.Map;%0A
-
 import j
@@ -1067,16 +1067,183 @@
 ionLog %7B
+%0A  // not used but needed to satisfy validate-source-patterns.gradle%0A  private static final Logger log = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass());
 %0A%0A  publ
@@ -1544,16 +1544,16 @@
 t time.%0A
-
    * The
@@ -1581,16 +1581,17 @@
 %7B@value 
+#
 LOG_PREF

Fix precommit