Examples with IConstraintAcceptor org.apache.hyracks.api.constraints.IConstraintAcceptor used on opensource projects

Example 1 with IConstraintAcceptor

use of org.apache.hyracks.api.constraints.IConstraintAcceptor in project asterixdb by apache.

the class JobSpecificationActivityClusterGraphGeneratorFactory method createActivityClusterGraphGenerator.

@Override
public IActivityClusterGraphGenerator createActivityClusterGraphGenerator(JobId jobId, final ICCServiceContext ccServiceCtx, Set<JobFlag> jobFlags) throws HyracksException {
    final JobActivityGraphBuilder builder = new JobActivityGraphBuilder(spec, jobFlags);
    PlanUtils.visit(spec, new IConnectorDescriptorVisitor() {

        @Override
        public void visit(IConnectorDescriptor conn) throws HyracksException {
            builder.addConnector(conn);
        }
    });
    PlanUtils.visit(spec, new IOperatorDescriptorVisitor() {

        @Override
        public void visit(IOperatorDescriptor op) {
            op.contributeActivities(builder);
        }
    });
    builder.finish();
    final JobActivityGraph jag = builder.getActivityGraph();
    ActivityClusterGraphBuilder acgb = new ActivityClusterGraphBuilder();
    final ActivityClusterGraph acg = acgb.inferActivityClusters(jobId, jag);
    acg.setFrameSize(spec.getFrameSize());
    acg.setMaxReattempts(spec.getMaxReattempts());
    acg.setJobletEventListenerFactory(spec.getJobletEventListenerFactory());
    acg.setGlobalJobDataFactory(spec.getGlobalJobDataFactory());
    acg.setConnectorPolicyAssignmentPolicy(spec.getConnectorPolicyAssignmentPolicy());
    acg.setUseConnectorPolicyForScheduling(spec.isUseConnectorPolicyForScheduling());
    final Set<Constraint> constraints = new HashSet<>();
    final IConstraintAcceptor acceptor = new IConstraintAcceptor() {

        @Override
        public void addConstraint(Constraint constraint) {
            constraints.add(constraint);
        }
    };
    PlanUtils.visit(spec, new IOperatorDescriptorVisitor() {

        @Override
        public void visit(IOperatorDescriptor op) {
            op.contributeSchedulingConstraints(acceptor, ccServiceCtx);
        }
    });
    PlanUtils.visit(spec, new IConnectorDescriptorVisitor() {

        @Override
        public void visit(IConnectorDescriptor conn) {
            conn.contributeSchedulingConstraints(acceptor, acg.getConnectorMap().get(conn.getConnectorId()), ccServiceCtx);
        }
    });
    constraints.addAll(spec.getUserConstraints());
    return new IActivityClusterGraphGenerator() {

        @Override
        public ActivityClusterGraph initialize() {
            ActivityClusterGraphRewriter rewriter = new ActivityClusterGraphRewriter();
            rewriter.rewrite(acg);
            return acg;
        }

        @Override
        public Set<Constraint> getConstraints() {
            return constraints;
        }
    };
}