Add build instruction in readme

For someone who first try to build this project, it might fail when run
"mvn clean install" and remind "non-resolvable parent". So at this
point, try to run "mvn clean install" in the "oparent" project can solve
this issue.

Signed-off-by: qingshuting <qingshuting1@huawei.com>
Change-Id: If99480f9e2d16c9480b4ffd8aae88bbf0e98cdc6
Issue-ID: POLICY-4167
1 file changed
tree: b43ad88652f2c95f064682e7809df7955db1655f
  1. docs/
  2. integration/
  3. releases/
  4. resources/
  5. .gitignore
  6. .gitreview
  7. .readthedocs.yaml
  8. INFO.yaml
  9. LICENSE.txt
  10. onap-java-formatter.xml
  11. pom.xml
  12. README.md
  13. version.properties
README.md

Copyright 2018 AT&T Intellectual Property. All rights reserved. This file is licensed under the CREATIVE COMMONS ATTRIBUTION 4.0 INTERNATIONAL LICENSE Full license text at https://creativecommons.org/licenses/by/4.0/legalcode

This source repository contains the ONAP Policy Parent repository that contains overarching build pom.xml to build ALL the repos under policy/*

To build it using Maven 3, run: mvn clean install

Reminder: If maven reports "non-resolvable parent POM", run "mvn clean install" on project "oparent" first.