private static final String ACTIVE_PRIMARY_SHARDS = "active_primary_shards";
    private static final String ACTIVE_SHARDS = "active_shards";
    private static final String RELOCATING_SHARDS = "relocating_shards";
    private static final String INITIALIZING_SHARDS = "initializing_shards";
    private static final String UNASSIGNED_SHARDS = "unassigned_shards";

    private final int status;

            engineObj.activeShards = response.getActiveShards();
            engineObj.activeShardsPercent = response.getActiveShardsPercent();
            engineObj.relocatingShards = response.getRelocatingShards();
            engineObj.initializingShards = response.getInitializingShards();
            engineObj.unassignedShards = response.getUnassignedShards();