private void lookupParentCoordinator() {
if (((AbstractOverlayNode<?, ?>) skyNetNode.getOverlayNode())
.getPeerStatus()
.equals(PeerStatus.PRESENT)) {
log.debug(
SkyNetUtilities.getTimeAndNetID(skyNetNode)
+ "starts a lookup for the key "
+ coordinatorKey.getPlainSkyNetID());
treeHandlerDelegator.lookupParentCoordinator(
coordinatorKey,
new OperationCallback<OverlayContact<OverlayID<?>>>() {
@Override
public void calledOperationFailed(Operation<OverlayContact<OverlayID<?>>> op) {
lookupOperationFailed(op);
}
@Override
public void calledOperationSucceeded(Operation<OverlayContact<OverlayID<?>>> op) {
lookupOperationSucceeded(op);
}
});
} else {
log.warn("SkyNetNode cannot lookup ParentCoordinator" + ", because he is not PRESENT");
}
}
public TreeHandler(SkyNetNodeInterface node, TreeHandlerDelegator treeHandlerDelegator) {
branchingFactor =
SkyNetPropertiesReader.getInstance().getIntProperty("SkyNetTreeBranchingFactor");
this.skyNetNode = node;
this.treeHandlerDelegator = treeHandlerDelegator;
this.treeHandlerDelegator.setSkyNetNode(skyNetNode);
this.treeHandlerDelegator.setOwnOverlayNode(skyNetNode.getOverlayNode());
isRoot = false;
parentCoordinator = new SkyNetNodeInfoImpl(null, null, null, -1);
coordinatorKey = null;
level = 0;
}
/**
* If it is possible to calculate the responsibility interval of a peer on the current overlay,
* this method calculates the corresponding responsibility interval of the node in the ID-space of
* SkyNet. In this context, the responsibility interval is used to test, if a SkyNet-node is
* responsible for a Coordinator.
*
* @param id contains the ID of this SkyNet-node
*/
public void calculateResponsibilityInterval(SkyNetID id) {
if (((AbstractOverlayNode<?, ?>) skyNetNode.getOverlayNode())
.getPeerStatus()
.equals(PeerStatus.PRESENT)) {
// execute getPredecessor-method
final SkyNetID ownID = id;
treeHandlerDelegator.calculateResponsibilityInterval(
ownID,
new OperationCallback<OverlayContact<OverlayID<?>>>() {
@Override
public void calledOperationFailed(Operation<OverlayContact<OverlayID<?>>> op) {
calculateResponsibilityIntervalOperationFailed(op);
}
@Override
public void calledOperationSucceeded(Operation<OverlayContact<OverlayID<?>>> op) {
calculateResponsibilityIntervalOperationSucceeded(op, ownID);
}
});
} else {
log.warn("SkyNetNode cannot get Predecessor" + ", because he is not PRESENT");
}
}