Examples of com.espertech.esper.client.EventPropertyGetter

com.espertech.esper.client.EventPropertyGetter
Get property values from an event instance for a given event property. Instances that implement this interface are usually bound to a particular {@link com.espertech.esper.client.EventType} and cannotbe used to access {@link EventBean} instances of a different type.

        return revisionEventType;
    }


    public Object get(String property) throws PropertyAccessException
    {
        EventPropertyGetter getter = revisionEventType.getGetter(property);
        if (getter == null)
        {
            return null;
        }
        return getter.get(this);
    }

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        return RevisionEventBeanDeclared.class;
    }


    public Object getFragment(String propertyExpression)
    {
        EventPropertyGetter getter = revisionEventType.getGetter(propertyExpression);
        if (getter == null)
        {
            throw new PropertyAccessException("Property named '" + propertyExpression + "' is not a valid property name for this type");
        }
        return getter.getFragment(this);
    }

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        Map<String, RevisionPropertyTypeDesc> propertyDesc = new HashMap<String, RevisionPropertyTypeDesc>();
        int count = 0;


        for (String property : spec.getChangesetPropertyNames())
        {
            EventPropertyGetter fullGetter = spec.getBaseEventType().getGetter(property);
            int propertyNumber = count;
            int[] propGroupsProperty = propsPerGroup.get(property);
            final RevisionGetterParameters params = new RevisionGetterParameters(property, propertyNumber, fullGetter, propGroupsProperty);


            // if there are no groups (full event property only), then simply use the full event getter
            EventPropertyGetter revisionGetter = new EventPropertyGetter() {
                    public Object get(EventBean eventBean) throws PropertyAccessException
                    {
                        RevisionEventBeanDeclared riv = (RevisionEventBeanDeclared) eventBean;
                        return riv.getVersionedValue(params);
                    }


                    public boolean isExistsProperty(EventBean eventBean)
                    {
                        return true;
                    }


                    public Object getFragment(EventBean eventBean)
                    {
                        return null; // fragments no provided by revision events
                    }
                };


            Class type = spec.getBaseEventType().getPropertyType(property);
            RevisionPropertyTypeDesc propertyTypeDesc = new RevisionPropertyTypeDesc(revisionGetter, params, type);
            propertyDesc.put(property, propertyTypeDesc);
            count++;
        }


        for (String property : spec.getBaseEventOnlyPropertyNames())
        {
            final EventPropertyGetter fullGetter = spec.getBaseEventType().getGetter(property);


            // if there are no groups (full event property only), then simply use the full event getter
            EventPropertyGetter revisionGetter =  new EventPropertyGetter() {
                public Object get(EventBean eventBean) throws PropertyAccessException
                {
                    RevisionEventBeanDeclared riv = (RevisionEventBeanDeclared) eventBean;
                    return fullGetter.get(riv.getLastBaseEvent());
                }


                public boolean isExistsProperty(EventBean eventBean)
                {
                    return true;
                }


                public Object getFragment(EventBean eventBean)
                {
                    return null; // fragments no provided by revision events
                }
            };


            Class type = spec.getBaseEventType().getPropertyType(property);
            RevisionPropertyTypeDesc propertyTypeDesc = new RevisionPropertyTypeDesc(revisionGetter, null, type);
            propertyDesc.put(property, propertyTypeDesc);
            count++;
        }


        count = 0;
        for (String property : spec.getKeyPropertyNames())
        {
            final int keyPropertyNumber = count;


            EventPropertyGetter revisionGetter = new EventPropertyGetter() {
                public Object get(EventBean eventBean) throws PropertyAccessException
                {
                    RevisionEventBeanDeclared riv = (RevisionEventBeanDeclared) eventBean;
                    return riv.getKey().getKeys()[keyPropertyNumber];
                }

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    this.eventType = eventType;
    }


  public Object get(String property) throws PropertyAccessException
  {
        EventPropertyGetter getter = eventType.getGetter(property);
        if (getter == null)
        {
            throw new PropertyAccessException("Property named '" + property + "' is not a valid property name for this type");
        }
        return eventType.getGetter(property).get(this);

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        "[properties=" + map + "]";
  }


    public Object getFragment(String propertyExpression)
    {
        EventPropertyGetter getter = eventType.getGetter(propertyExpression);
        if (getter == null)
        {
            throw new PropertyAccessException("Property named '" + propertyExpression + "' is not a valid property name for this type");
        }
        return getter.getFragment(this);
    }

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        return properties;
    }


    public Object get(String property) throws PropertyAccessException
    {
        EventPropertyGetter getter = eventType.getGetter(property);
        if (getter == null)
        {
            throw new PropertyAccessException("Property named '" + property + "' is not a valid property name for this type");
        }
        return getter.get(this);
    }

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                "eventType=" + eventType;
    }


    public Object getFragment(String propertyExpression)
    {
        EventPropertyGetter getter = eventType.getGetter(propertyExpression);
        if (getter == null)
        {
            throw new PropertyAccessException("Property named '" + propertyExpression + "' is not a valid property name for this type");
        }
        return getter.getFragment(this);
    }

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                if (!(type instanceof EventTypeSPI)) {
                    throw new ExprValidationException("Variable by name '" + variableName + "' event type '" + type.getName() + "' not writable");
                }
                EventTypeSPI spi = (EventTypeSPI) type;
                EventPropertyWriter writer = spi.getWriter(subPropertyName);
                EventPropertyGetter getter = spi.getGetter(subPropertyName);
                if (writer == null) {
                    throw new ExprValidationException("Variable by name '" + variableName + "' the property '" + subPropertyName + "' is not writable");
                }


                variableTypes.put(fullVariableName, spi.getPropertyType(subPropertyName));

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 * Method to getSelectListEvents events in collections to other collections or other event types.
 */
public class EventBeanUtility
{
    public static EventPropertyGetter getAssertPropertyGetter(EventType type, String propertyName) {
        EventPropertyGetter getter = type.getGetter(propertyName);
        if (getter == null) {
            throw new IllegalStateException("Property " + propertyName + " not found in type " + type.getName());
        }
        return getter;
    }

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        return eventType;
    }


    public Object get(String property) throws PropertyAccessException
    {
        EventPropertyGetter getter = eventType.getGetter(property);
        if (getter == null)
        {
            throw new PropertyAccessException("Property named '" + property + "' is not a valid property name for this type");
        }
        return getter.get(this);
    }

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