Github user denalex commented on a diff in the pull request:
https://github.com/apache/incubator-hawq/pull/1379#discussion_r201513391
--- Diff:
pxf/pxf-service/src/main/java/org/apache/hawq/pxf/service/SessionId.java ---
@@ -0,0 +1,60 @@
+package org.apache.hawq.pxf.service;
+
+/*
+ * 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.
+ */
+
+public class SessionId {
+
+ private final String user;
+ private Integer segmentId;
+ private String sessionId;
+
+ public SessionId(Integer segmentId, String transactionId, String
gpdbUser) {
+ this.segmentId = segmentId;
+ this.user = gpdbUser;
+ this.sessionId = segmentId + ":" + transactionId + ":" + gpdbUser;
+ }
+
+ public Integer getSegmentId() {
+ return segmentId;
+ }
+
+ @Override
+ public int hashCode() {
+ return sessionId.hashCode();
+ }
+
+ @Override
+ public boolean equals(Object other) {
+ if (!(other instanceof SessionId)) {
+ return false;
+ }
+ SessionId that = (SessionId) other;
+ return this.sessionId.equals(that.sessionId);
--- End diff --
I usually follow the pattern and utility methods from:
https://commons.apache.org/proper/commons-lang/apidocs/org/apache/commons/lang3/builder/EqualsBuilder.html
---
