Examples with CoordinatorSerializable com.emc.storageos.coordinator.client.model.CoordinatorSerializable used on opensource projects

Example 1 with CoordinatorSerializable

use of com.emc.storageos.coordinator.client.model.CoordinatorSerializable in project coprhd-controller by CoprHD.

the class CoordinatorClientImpl method queryRuntimeState.

@Override
public <T extends CoordinatorSerializable> T queryRuntimeState(String key, Class<T> clazz) throws CoordinatorException {
    String path = String.format("%s/%s", ZkPath.STATE, key);
    try {
        byte[] data = _zkConnection.curator().getData().forPath(path);
        CoordinatorSerializable state = clazz.newInstance();
        return (T) state.decodeFromString(new String(data, "UTF-8"));
    } catch (KeeperException.NoNodeException ignore) {
        // Ignore exception, don't re-throw
        log.debug("Caught exception but ignoring it: " + ignore);
        return null;
    } catch (Exception e) {
        throw CoordinatorException.fatals.unableToFindTheState(key, e);
    }
}