--- /dev/null
+package org.argeo.api.a2;
+
+import org.osgi.framework.Version;
+
+/**
+ * An identified software package. In OSGi's case this is the combination of
+ * <code>Bundle-SymbolicName</code> and <code>Bundle-version</code>. This is the
+ * equivalent of the full coordinates of a Maven artifact version.
+ */
+public class A2Module implements Comparable<A2Module> {
+ private final A2Branch branch;
+ private final Version version;
+ private final Object locator;
+
+ public A2Module(A2Branch branch, Version version, Object locator) {
+ this.branch = branch;
+ this.version = version;
+ this.locator = locator;
+ branch.modules.put(version, this);
+ }
+
+ public A2Branch getBranch() {
+ return branch;
+ }
+
+ public Version getVersion() {
+ return version;
+ }
+
+ Object getLocator() {
+ return locator;
+ }
+
+ @Override
+ public int compareTo(A2Module o) {
+ return version.compareTo(o.version);
+ }
+
+ @Override
+ public int hashCode() {
+ return version.hashCode();
+ }
+
+ @Override
+ public boolean equals(Object obj) {
+ if (obj instanceof A2Module) {
+ A2Module o = (A2Module) obj;
+ return branch.equals(o.branch) && version.equals(o.version);
+ } else
+ return false;
+ }
+
+ @Override
+ public String toString() {
+ return getCoordinates();
+ }
+
+ public String getCoordinates() {
+ return branch.getComponent() + ":" + version;
+ }
+
+}