4.0.0 org.apache.tuscany.sca tuscany-sca 2.0-SNAPSHOT ../pom.xml sample-contribution-implementation-java-calculator-async Apache Tuscany SCA Sample Contribution Implementation Java Calculator for Async Sample org.apache.tuscany.sca tuscany-feature-api pom 2.0-SNAPSHOT junit junit 4.8.1 test ${artifactId} org.apache.tuscany.maven.plugins maven-tuscany-plugin 2.0-SNAPSHOT