Examples of com.linkedin.databus.groupleader.pub.GroupLeadershipConnection.joinGroup()

com.linkedin.databus.groupleader.pub.GroupLeadershipConnection.joinGroup()

Join the group {@code groupName}. Either at the time of joining the group, or at any future time, the {@code GroupLeadershipConnection} will call {@code acceptLeadershipCallback}when the member must accept the leadership role. The member name can be specified by the caller, or can be {@code null}, in which case the {@code GroupLeadershipConnection} will generate and assign a unique name.The member name must be unique within the group. If a non-unique name is passed in, an {@code IllegalArgumentException} will be thrown. @param groupName the name of the group to join @param memberName the name of the member joining the group, or {@code null} if thename should be generated and assigned @param acceptLeadershipCallback the callback that will be called when this membermust accept leadership @return a session representing the membership of the given {@code memberName} in the given{@code groupName}. The {@code memberName} in the session will be either what was passed in tothis method (if the input name was not null), or the assigned name (if the input name was null). @throws IllegalArgumentException if {@code memberName} is not unique within the group

        GroupLeadershipConnection conn002 = _groupLeadershipConnFactory.getConnection();
        Assert.assertNull(conn002.getLeaderName(baseName,groupName),"Leader should be null");
        LOG.info("Group should not exist yet Test");
        assertFalse(conn002.getGroupNames(baseName).contains(groupName));


        GroupLeadershipSession sess002 = conn002.joinGroup(baseName,
            groupName, "002", saveCurrentLeaderCallback);


        assertEquals(groupName, sess002.getGroupName());
        assertEquals("002", sess002.getMemberName());
        assertEquals("002", (sess002.getLeaderName()));






        GroupLeadershipConnection conn001 = _groupLeadershipConnFactory.getConnection();


        GroupLeadershipSession sess001 = conn001.joinGroup(baseName,
            groupName, "001", saveCurrentLeaderCallback);


        assertEquals(groupName, sess001.getGroupName());
        assertEquals("001", sess001.getMemberName());
        assertEquals("002", (sess001.getLeaderName()));






        GroupLeadershipConnection conn003 = _groupLeadershipConnFactory.getConnection();


        GroupLeadershipSession sess003 = conn003.joinGroup(baseName,
            groupName, "003", saveCurrentLeaderCallback);


        assertEquals(groupName, sess003.getGroupName());
        assertEquals("003", sess003.getMemberName());
        assertEquals("002", (sess003.getLeaderName()));

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