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Add methods and hooks to PrivateGroupManager related to members and removal

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This commit is contained in:
Torsten Grote
2016-10-25 11:03:29 -02:00
parent 399a4890de
commit cb61d91074
4 changed files with 196 additions and 12 deletions
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34
briar-api/src/org/briarproject/api/privategroup/PrivateGroupManager.java
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@@ -3,12 +3,15 @@ package org.briarproject.api.privategroup;
import org.briarproject.api.clients.MessageTracker;
import org.briarproject.api.db.DbException;
import org.briarproject.api.db.Transaction;
import org.briarproject.api.identity.Author;
import org.briarproject.api.nullsafety.NotNullByDefault;
import org.briarproject.api.sync.ClientId;
import org.briarproject.api.sync.GroupId;
import org.briarproject.api.sync.MessageId;
import java.util.Collection;
@NotNullByDefault
public interface PrivateGroupManager extends MessageTracker {
/** Returns the unique ID of the private group client. */
@@ -35,6 +38,12 @@ public interface PrivateGroupManager extends MessageTracker {
// TODO change to getPreviousMessageHeader()
long getMessageTimestamp(MessageId id) throws DbException;
/** Marks the group with GroupId g as resolved */
void markGroupDissolved(Transaction txn, GroupId g) throws DbException;
/** Returns true if the private group has been dissolved. */
boolean isDissolved(GroupId g) throws DbException;
/** Stores (and sends) a local group message. */
GroupMessageHeader addLocalMessage(GroupMessage p) throws DbException;
@@ -49,13 +58,32 @@ public interface PrivateGroupManager extends MessageTracker {
/** Returns all private groups the user is a member of. */
Collection<PrivateGroup> getPrivateGroups() throws DbException;
/** Returns true if the private group has been dissolved. */
boolean isDissolved(GroupId g) throws DbException;
/** Returns the body of the group message with the given ID. */
String getMessageBody(MessageId m) throws DbException;
/** Returns the headers of all group messages in the given group. */
Collection<GroupMessageHeader> getHeaders(GroupId g) throws DbException;
/** Returns all members of the group with ID g */
Collection<GroupMember> getMembers(GroupId g) throws DbException;
/** Returns true if the given Author a is member of the group with ID g */
boolean isMember(Transaction txn, GroupId g, Author a) throws DbException;
/**
* Registers a hook to be called when members are added
* or groups are removed.
* */
void registerPrivateGroupHook(PrivateGroupHook hook);
@NotNullByDefault
interface PrivateGroupHook {
void addingMember(Transaction txn, GroupId g, Author a)
throws DbException;
void removingGroup(Transaction txn, GroupId g) throws DbException;
}
}