Find the validation executor set with the specified ID.

@param aID
The ID to search. May be <code>null</code>.
@return <code>null</code> if no such validation executor set is registered.
192894
@Nullable
  public IValidationExecutorSet getOfID (@Nullable final VESID aID)
  {
    if (aID == null)
      return null;

    return m_aRWLock.readLocked ( () -> m_aMap.get (aID));
  }
1269359
@Deprecated
  public CommandExecutor getCommandExecutor() {
    if(processEngines.isEmpty()) {
      return null;
    } else {
      return processEngines.get(0).getProcessEngineConfiguration().getCommandExecutorTxRequired();
    }
  }
294253
public String getRequestById(long requestId, boolean withErrors, boolean withData, String marshallingType) {

        String result = null;

        RequestInfo request = executorService.getRequestById(requestId);

        if (request == null) {
            throw new IllegalArgumentException("Request with id: " + requestId + " doesn't exist");
        } else {
            RequestInfoInstance requestInstance = convertToRequestInfo(request, withErrors, withData);

            String deploymentId = ((org.jbpm.executor.entities.RequestInfo) request).getDeploymentId();
            if (deploymentId != null && context.getContainer(deploymentId) != null) {
                result = marshallerHelper.marshal(deploymentId, marshallingType, requestInstance);
            } else {
                result = marshallerHelper.marshal(marshallingType, requestInstance);
            }
        }

        return result;
    }
908540
@Deprecated
    protected String validateExpression(
            String elem, String att, String expr) {

        return null;
    }
368763
public final AbstractExecutor.Get getJadeGetExecutor(Object obj, Object identifier) {
		final Class<?> claz = obj.getClass();
		final String property = toString(identifier);
		AbstractExecutor.Get executor;
		// let's see if we are a map...
		executor = new MapGetExecutor(this, claz, identifier);
		if (executor.isAlive()) {
			return executor;
		}
		// first try for a getFoo() type of property (also getfoo() )
		if (property != null) {
			executor = new PropertyGetExecutor(this, claz, property);
			if (executor.isAlive()) {
				return executor;
			}
			// }
			// look for boolean isFoo()
			// if (property != null) {
			executor = new BooleanGetExecutor(this, claz, property);
			if (executor.isAlive()) {
				return executor;
			}
		}
		// let's see if we can convert the identifier to an int,
		// if obj is an array or a list, we can still do something
		Integer index = toInteger(identifier);
		if (index != null) {
			executor = new ListGetExecutor(this, claz, index);
			if (executor.isAlive()) {
				return executor;
			}
		}
		// if that didn't work, look for set("foo")
		executor = new DuckGetExecutor(this, claz, identifier);
		if (executor.isAlive()) {
			return executor;
		}
		// if that didn't work, look for set("foo")
		executor = new DuckGetExecutor(this, claz, property);
		if (executor.isAlive()) {
			return executor;
		}
		return null;
	}
762076
public String getHiveExecutionEngine() {
        String executionEngine = hiveConfSystemOverride.get(HiveConf.ConfVars.HIVE_EXECUTION_ENGINE.varname);
        return executionEngine == null ? HiveConf.ConfVars.HIVE_EXECUTION_ENGINE.getDefaultValue() : executionEngine;
    }
787809
public static Elements select(Evaluator evaluator, Element root) {
        Validate.notNull(evaluator);
        Validate.notNull(root);
        return Collector.collect(evaluator, root);
    }
600561
public ExecutableElement findMethod(TypeElement te, ExecutableElement method) {
        for (Element m : getMethods(te)) {
            if (executableMembersEqual(method, (ExecutableElement)m)) {
                return (ExecutableElement)m;
            }
        }
        return null;
    }
1238624
public @CheckForNull D findByName(String id) {
        for (D d : this)
            if(d.getId().equals(id))
                return d;
        return null;
    }
1358582
private ExpressionEvaluator getExpressionEvaluator()
    {
        if (ee == null)
            ee = ExpressionEvaluatorFactory.getInstance();

        assert(ee != null);
        return ee;
    }
1252828
private Set<String> getRelatedElementIds(String id) {

        Set<String> result = new HashSet<String>();
        if (id != null) {
            result.add(id);
            String serverId = getServerId(id);

            Iterator<String> it = m_elements.keySet().iterator();
            while (it.hasNext()) {
                String elId = it.next();
                if (elId.startsWith(serverId)) {
                    result.add(elId);
                }
            }

            Iterator<org.opencms.ade.containerpage.client.ui.CmsContainerPageElementPanel> itEl = getAllDragElements().iterator();
            while (itEl.hasNext()) {
                org.opencms.ade.containerpage.client.ui.CmsContainerPageElementPanel element = itEl.next();
                if (element.getId().startsWith(serverId)) {
                    result.add(element.getId());
                }
            }
        }
        return result;
    }
1078654
public List<Failure> validate(List<Validate> objects)
   {
      if (objects == null || objects.isEmpty())
         return null;

      return execRulesOnValidates(objects);
   }
466929
public MatchRule getMatchRule(int index) {
		if (index < rules.size()) {
			return rules.get(index);
		}
		return null;
	}
1351548
public static void validateNotNull( Object object, String identifier )
        throws PreConditionException
    {
        if( object == null )
        {
            throw new PreConditionException( identifier + " was NULL." );
        }
    }
387626
public E getById(String id) {
        if (id == null) {
            for (E element : this) {
                if (element != null && element.getId() == null) {
                    return element;
                }
            }
        } else {
            for (E element : this) {
                if (element != null && id.equals(element.getId())) {
                    return element;
                }
            }
        }
        return null;
    }
14891
public K find(final V id) {
        final V keyValue = keyForValue(id);
        
        if (inverse.containsKey(keyValue)) {
            return inverse.get(keyValue);
        }
        
        if (log.isDebugEnabled()) {
        	log.debug("Enum with value " + id + " not found");
        }
        
        return null;
    }
630115
public boolean isValid( @Nullable final String sessionId ) {
        return sessionId != null && _pattern.matcher( sessionId ).matches();
    }