public static ProcessRelationDefine analysisRelationId(String entityId) {
            String[] parts = entityId.split(Const.RELATION_ID_PARSER_SPLIT);
            if (parts.length != 2) {
                throw new RuntimeException("Illegal Process Relation entity id");
            }
            return new ProcessRelationDefine(parts[0], parts[1]);
        }
@return process relation ID object decoded from {@link #buildRelationId(ProcessRelationDefine)} result
oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/analysis/IDManager.java