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package org.openecomp.sdc.be.components.impl.group;
import org.apache.commons.collections.MapUtils;
import org.openecomp.sdc.be.model.GroupDefinition;
import org.springframework.stereotype.Component;
import java.util.List;
import java.util.Map;
import static org.apache.commons.collections.MapUtils.isEmpty;
/**
* A Helper class which handles altering the members state of a group
*/
@Component
public class GroupMembersUpdater {
public void removeMember(List<GroupDefinition> groups, String memberId) {
groups.forEach(group -> removeGroupMember(group, memberId));
}
public void replaceMember(List<GroupDefinition> groups, String oldMemberId, String newMemberId) {
groups.forEach(grp -> replaceMember(grp, oldMemberId, newMemberId));
}
private void removeGroupMember(GroupDefinition group, String memberId) {
Map<String, String> membersNameToId = group.getMembers();
String groupMemberKey = findGroupMemberKey(membersNameToId, memberId);
if (groupMemberKey != null) {
membersNameToId.remove(groupMemberKey);
}
}
private void replaceMember(GroupDefinition group, String oldMemberId, String newMemberId) {
Map<String, String> membersNameToId = group.getMembers();
String groupMemberKey = findGroupMemberKey(membersNameToId, oldMemberId);
if (groupMemberKey != null) {
membersNameToId.replace(groupMemberKey, newMemberId);
}
}
private String findGroupMemberKey(Map<String, String> members, String memberToFind) {
if (isEmpty(members)) {
return null;
}
Map invertedMap = MapUtils.invertMap(members);
if (!invertedMap.containsKey(memberToFind)) {
return null;
}
return invertedMap.get(memberToFind).toString();
}
}
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