apm-sniffer/apm-sdk-plugin/mongodb-4.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/mongodb/v4/support/MongoSpanHelper.java [45:67]:
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    public static void createExitSpan(String executeMethod, String remotePeer, Object operation) {
        AbstractSpan span = ContextManager.createExitSpan(
                MongoConstants.MONGO_DB_OP_PREFIX + executeMethod, new ContextCarrier(), remotePeer);
        span.setComponent(ComponentsDefine.MONGO_DRIVER);
        Tags.DB_TYPE.set(span, MongoConstants.DB_TYPE);
        SpanLayer.asDB(span);

        if (operation instanceof EnhancedInstance) {
            MongoNamespaceInfo mongoNamespaceInfo = (MongoNamespaceInfo) ((EnhancedInstance) operation).getSkyWalkingDynamicField();
            if (mongoNamespaceInfo != null) {
                if (StringUtil.isNotEmpty(mongoNamespaceInfo.getDatabaseName())) {
                    Tags.DB_INSTANCE.set(span, mongoNamespaceInfo.getDatabaseName());
                }
                if (StringUtil.isNotEmpty(mongoNamespaceInfo.getCollectionName())) {
                    span.tag(DB_COLLECTION_TAG, mongoNamespaceInfo.getCollectionName());
                }
            }
        }

        if (MongoPluginConfig.Plugin.MongoDB.TRACE_PARAM) {
            Tags.DB_BIND_VARIABLES.set(span, MongoOperationHelper.getTraceParam(operation));
        }
    }
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apm-sniffer/apm-sdk-plugin/mongodb-3.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/mongodb/v3/support/MongoSpanHelper.java [41:63]:
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    public static void createExitSpan(String executeMethod, String remotePeer, Object operation) {
        AbstractSpan span = ContextManager.createExitSpan(
                MongoConstants.MONGO_DB_OP_PREFIX + executeMethod, new ContextCarrier(), remotePeer);
        span.setComponent(ComponentsDefine.MONGO_DRIVER);
        Tags.DB_TYPE.set(span, MongoConstants.DB_TYPE);
        SpanLayer.asDB(span);

        if (operation instanceof EnhancedInstance) {
            MongoNamespaceInfo mongoNamespaceInfo = (MongoNamespaceInfo) ((EnhancedInstance) operation).getSkyWalkingDynamicField();
            if (mongoNamespaceInfo != null) {
                if (StringUtil.isNotEmpty(mongoNamespaceInfo.getDatabaseName())) {
                    Tags.DB_INSTANCE.set(span, mongoNamespaceInfo.getDatabaseName());
                }
                if (StringUtil.isNotEmpty(mongoNamespaceInfo.getCollectionName())) {
                    span.tag(DB_COLLECTION_TAG, mongoNamespaceInfo.getCollectionName());
                }
            }
        }

        if (MongoPluginConfig.Plugin.MongoDB.TRACE_PARAM) {
            Tags.DB_BIND_VARIABLES.set(span, MongoOperationHelper.getTraceParam(operation));
        }
    }
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