Examples with PackingException org.apache.heron.spi.packing.PackingException used on opensource projects

Example 6 with PackingException

use of org.apache.heron.spi.packing.PackingException in project heron by twitter.

the class LauncherUtils method createPackingPlan.

/**
 * Returns a packing plan generated by configured packing class
 */
public PackingPlan createPackingPlan(final Config config, final Config runtime) throws PackingException {
    // Create an instance of the packing class
    String packingClass = Context.packingClass(config);
    IPacking packing;
    try {
        // create an instance of the packing class
        packing = ReflectionUtils.newInstance(packingClass);
    } catch (IllegalAccessException | InstantiationException | ClassNotFoundException e) {
        throw new PackingException(String.format("Failed to instantiate packing instance using packing class %s", packingClass), e);
    }
    try {
        TopologyAPI.Topology topology = Runtime.topology(runtime);
        packing.initialize(config, topology);
        return packing.pack();
    } finally {
        SysUtils.closeIgnoringExceptions(packing);
    }
}