# CorrelationConstants.java

    /*
     * Copyright (c) 2020 WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
     *
     * WSO2 Inc. 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.synapse.commons;

    /**
     * constants for correlation logging
     */
    public class CorrelationConstants {

        //property to set the correlation id value in message context and http context
        public static final String CORRELATION_ID = "correlation_id";
        //property to set the correlation ID as a MDC property in log4J
        public static final String CORRELATION_MDC_PROPERTY = "Correlation-ID";
        public static final String CORRELATION_LOGS_SYS_PROPERTY = "enableCorrelationLogs";
        public static final String SYSTEM_GENERATED_CORRELATION_ID = "systemGeneratedCorrelationId";
        public static final String RESTRICT_HEADERS_SYS_PROP = "remove.outgoing.headers";
    }