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java.lang.Object rice.pastry.routing.RouteSet
public class RouteSet
A set of nodes typically stored in the routing table. The set contains a bounded number of the closest node handles. Since proximity value can change unpredictably, we don't keep the set in sorted order.
Field Summary | |
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static short |
TYPE
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Constructor Summary | |
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RouteSet(InputBuffer buf,
NodeHandleFactory nhf,
PastryNode local)
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RouteSet(int maxSize,
int row,
int col,
PastryNode local)
Constructor. |
Method Summary | |
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int |
capacity()
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NodeHandle |
closestNode()
Return the closest live node in the set. |
NodeHandle |
closestNode(int minLiveness)
Return the closest live node in the set. |
void |
destroy()
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NodeHandle |
get(Id nid)
Returns the node handle with the matching node id or null if none exists. |
NodeHandle |
get(int i)
Returns the node in the ith position in the set. |
NodeHandle |
getHandle(Id id)
Finds the NodeHandle associated with the Id. |
NodeHandle |
getHandle(int i)
Gets the ith element in the set. |
int |
getIndex(Id nid)
Get the index of the node id. |
int |
getIndex(NodeHandle nh)
Get the index of the node id. |
int |
getIndexHandle(Id id)
Gets the index of the element with the given node id. |
short |
getType()
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boolean |
member(Id nid)
Membership test. |
boolean |
member(NodeHandle nh)
Membership test. |
boolean |
memberHandle(Id id)
Verifies if the set contains this particular id. |
void |
pingAllNew()
Pings all new nodes in the RouteSet. |
boolean |
put(NodeHandle handle)
Puts a node into the set. |
boolean |
putHandle(NodeHandle handle)
Puts a NodeHandle into the set. |
NodeHandle |
remove(Id nid)
Removes a node from a set. |
NodeHandle |
remove(NodeHandle nh)
Removes a node from a set. |
NodeHandle |
removeHandle(Id id)
Removes a node id and its handle from the set. |
void |
serialize(OutputBuffer buf)
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + maxSize + theSize + closest + +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ + NodeHandle 1st + ... |
void |
setRoutingTable(RoutingTable rt)
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int |
size()
Return the current size of the set. |
java.lang.String |
toString()
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void |
update(java.util.Observable o,
java.lang.Object arg)
Is called by the Observer pattern whenever the liveness or proximity of a registered node handle is changed. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Field Detail |
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public static final short TYPE
Constructor Detail |
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public RouteSet(int maxSize, int row, int col, PastryNode local)
maxSize
- the maximum number of nodes that fit in this set.public RouteSet(InputBuffer buf, NodeHandleFactory nhf, PastryNode local) throws java.io.IOException
java.io.IOException
Method Detail |
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public java.lang.String toString()
toString
in class java.lang.Object
public boolean put(NodeHandle handle)
put
in interface NodeSetI
handle
- the handle to put.
public void update(java.util.Observable o, java.lang.Object arg)
update
in interface java.util.Observer
o
- The node handlearg
- the event type (PROXIMITY_CHANGE, DECLARED_LIVE, DECLARED_DEAD)public NodeHandle remove(Id nid)
nid
- the node id to remove.
public NodeHandle remove(NodeHandle nh)
remove
in interface NodeSetI
nid
- the node id to remove.
public void setRoutingTable(RoutingTable rt)
public boolean member(NodeHandle nh)
member
in interface NodeSetI
nid
- the node id to membership of.
public boolean member(Id nid)
nid
- the node id to membership of.
public int size()
size
in interface NodeHandleSet
size
in interface NodeSetI
public int capacity()
public void pingAllNew()
public NodeHandle closestNode()
public NodeHandle closestNode(int minLiveness)
public NodeHandle get(int i)
get
in interface NodeSetI
i
- an index.
public NodeHandle get(Id nid)
get
in interface NodeSetI
nid
- the node id.
public int getIndex(Id nid)
getIndex
in interface NodeSetI
nid
- the node id.
public int getIndex(NodeHandle nh)
getIndex
in interface NodeSetI
public boolean putHandle(NodeHandle handle)
putHandle
in interface NodeHandleSet
handle
- the handle to put.
public NodeHandle getHandle(Id id)
getHandle
in interface NodeHandleSet
id
- a node id.
public NodeHandle getHandle(int i)
getHandle
in interface NodeHandleSet
i
- an index.
public boolean memberHandle(Id id)
memberHandle
in interface NodeHandleSet
id
- a node id.
public NodeHandle removeHandle(Id id)
removeHandle
in interface NodeHandleSet
nid
- the node to remove.
public int getIndexHandle(Id id) throws java.util.NoSuchElementException
getIndexHandle
in interface NodeHandleSet
id
- the id.
java.util.NoSuchElementException
public short getType()
getType
in interface NodeHandleSet
public void serialize(OutputBuffer buf) throws java.io.IOException
serialize
in interface NodeHandleSet
java.io.IOException
public void destroy()
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