private void proposeIntegerSolution(Node sourceNode, Solution solution, NodeLog nodeLog) {
boolean constrAdded =
processCutCallbacks(
sourceNode,
this.lazyConstraintCallbacks,
solution,
this.mipLog.getLazyConstraintCallbackLog());
if (constrAdded) {
} else {
this.submitFeasibleSolution(solution);
nodeLog.setIncumbent(Optional.of(solution.getObjValue()));
nodeLog.setNewSolutionStatus(NewSolutionStatus.INTEGRAL);
if (this.excludeOptimumCallback.isPresent()) {
processCutCallbacks(
sourceNode,
Lists.newArrayList(excludeOptimumCallback.get()),
solution,
this.mipLog.getExcludeOptimumCallbackLog());
}
}
}
private void setBasicNodeLogInfo(Node node, NodeLog nodeLog) {
nodeLog.setBestBound(node.getBestBound());
nodeLog.setCurrentNode(node.getId());
if (!this.optimalSolutions.isEmpty()) {
nodeLog.setIncumbent(Optional.of(optimalSolutions.first().getObjValue()));
} else if (!this.otherSolutions.isEmpty()) {
nodeLog.setIncumbent(Optional.of(otherSolutions.first().getObjValue()));
} else {
nodeLog.setIncumbent(Optional.<Double>absent());
}
nodeLog.setNodesCreated(this.nodesCreated);
nodeLog.setNodeStackSize(this.nodeStack.size());
SolutionStatus solutionStatus = basicLpSolver.getSolutionStatus();
nodeLog.setCurrentLpStatus(solutionStatus);
if (solutionStatus == SolutionStatus.OPTIMAL || solutionStatus == SolutionStatus.FEASIBLE) {
nodeLog.setCurrentLp(Optional.of(basicLpSolver.getObjValue()));
} else {
nodeLog.setCurrentLp(Optional.<Double>absent());
}
nodeLog.setNewSolutionStatus(NewSolutionStatus.NONE);
this.mipLog.setLastNodeLog(nodeLog);
this.mipLog.onNewNode();
}