Examples with MapMaker org.apache.hbase.thirdparty.com.google.common.collect.MapMaker used on opensource projects

Example 1 with MapMaker

use of org.apache.hbase.thirdparty.com.google.common.collect.MapMaker in project hbase by apache.

the class AccessController method start.

/* ---- MasterObserver implementation ---- */
@Override
public void start(CoprocessorEnvironment env) throws IOException {
    CompoundConfiguration conf = new CompoundConfiguration();
    conf.add(env.getConfiguration());
    authorizationEnabled = AccessChecker.isAuthorizationSupported(conf);
    if (!authorizationEnabled) {
        LOG.warn("AccessController has been loaded with authorization checks DISABLED!");
    }
    shouldCheckExecPermission = conf.getBoolean(AccessControlConstants.EXEC_PERMISSION_CHECKS_KEY, AccessControlConstants.DEFAULT_EXEC_PERMISSION_CHECKS);
    cellFeaturesEnabled = (HFile.getFormatVersion(conf) >= HFile.MIN_FORMAT_VERSION_WITH_TAGS);
    if (!cellFeaturesEnabled) {
        LOG.info("A minimum HFile version of " + HFile.MIN_FORMAT_VERSION_WITH_TAGS + " is required to persist cell ACLs. Consider setting " + HFile.FORMAT_VERSION_KEY + " accordingly.");
    }
    if (env instanceof MasterCoprocessorEnvironment) {
        // if running on HMaster
        MasterCoprocessorEnvironment mEnv = (MasterCoprocessorEnvironment) env;
        if (mEnv instanceof HasMasterServices) {
            MasterServices masterServices = ((HasMasterServices) mEnv).getMasterServices();
            zkPermissionWatcher = masterServices.getZKPermissionWatcher();
            accessChecker = masterServices.getAccessChecker();
        }
    } else if (env instanceof RegionServerCoprocessorEnvironment) {
        RegionServerCoprocessorEnvironment rsEnv = (RegionServerCoprocessorEnvironment) env;
        if (rsEnv instanceof HasRegionServerServices) {
            RegionServerServices rsServices = ((HasRegionServerServices) rsEnv).getRegionServerServices();
            zkPermissionWatcher = rsServices.getZKPermissionWatcher();
            accessChecker = rsServices.getAccessChecker();
        }
    } else if (env instanceof RegionCoprocessorEnvironment) {
        // if running at region
        regionEnv = (RegionCoprocessorEnvironment) env;
        conf.addBytesMap(regionEnv.getRegion().getTableDescriptor().getValues());
        compatibleEarlyTermination = conf.getBoolean(AccessControlConstants.CF_ATTRIBUTE_EARLY_OUT, AccessControlConstants.DEFAULT_ATTRIBUTE_EARLY_OUT);
        if (regionEnv instanceof HasRegionServerServices) {
            RegionServerServices rsServices = ((HasRegionServerServices) regionEnv).getRegionServerServices();
            zkPermissionWatcher = rsServices.getZKPermissionWatcher();
            accessChecker = rsServices.getAccessChecker();
        }
    }
    Preconditions.checkState(zkPermissionWatcher != null, "ZKPermissionWatcher is null");
    Preconditions.checkState(accessChecker != null, "AccessChecker is null");
    // set the user-provider.
    this.userProvider = UserProvider.instantiate(env.getConfiguration());
    tableAcls = new MapMaker().weakValues().makeMap();
}