1 files changed, 46 insertions, 0 deletions
diff --git a/versioning-lib/src/main/java/org/onap/sdc/common/versioning/services/impl/MajorVersionCalculatorImpl.java b/versioning-lib/src/main/java/org/onap/sdc/common/versioning/services/impl/MajorVersionCalculatorImpl.java
new file mode 100644
index 0000000..a98fa58
--- /dev/null
+++ b/versioning-lib/src/main/java/org/onap/sdc/common/versioning/services/impl/MajorVersionCalculatorImpl.java
@@ -0,0 +1,46 @@
+package org.onap.sdc.common.versioning.services.impl;
+
+import java.util.HashSet;
+import java.util.Set;
+import org.onap.sdc.common.versioning.services.types.Version;
+import org.onap.sdc.common.versioning.services.types.VersionCreationMethod;
+import org.onap.sdc.common.versioning.services.types.VersionStatus;
+import org.springframework.stereotype.Service;
+
+@Service
+public class MajorVersionCalculatorImpl implements VersionCalculator {
+
+    private static final String INITIAL_VERSION = "1.0";
+    private static final String VERSION_STRING_VIOLATION_MSG =
+            "Version string must be in the format of: {integer}.{integer}";
+
+    @Override
+    public String calculate(String baseVersion, VersionCreationMethod creationMethod) {
+
+        if (baseVersion == null) {
+            return INITIAL_VERSION;
+        }
+
+        String[] versionLevels = baseVersion.split("\\.");
+        if (versionLevels.length != 2) {
+            throw new IllegalArgumentException(VERSION_STRING_VIOLATION_MSG);
+        }
+
+        int index = Integer.parseInt(versionLevels[0]);
+        index++;
+
+        return index + ".0";
+    }
+
+    @Override
+    public void injectAdditionalInfo(Version version, Set<String> existingVersions) {
+        Set<VersionCreationMethod> optionalCreationMethods = new HashSet<>();
+        if (version.getStatus().equals(VersionStatus.Certified)) {
+            String nextVersion = calculate(version.getName(), VersionCreationMethod.major);
+            if (!existingVersions.contains(nextVersion)) {
+                optionalCreationMethods.add(VersionCreationMethod.major);
+            }
+        }
+        version.addProperty("OptionalCreationMethods", optionalCreationMethods);
+    }
+}