com.espertech.esper.event.vaevent
Class PropertyUtility

java.lang.Object
  com.espertech.esper.event.vaevent.PropertyUtility

public class PropertyUtility
extends java.lang.Object

Utility for handling properties for the purpose of merging and versioning by revision event types.

Constructor Summary

PropertyUtility()

Method Summary

static PropertyGroupDesc[]	analyzeGroups(java.lang.String[] allProperties, EventType[] deltaEventTypes, java.lang.String[] names) Analyze multiple event types and determine common property sets that form property groups.
protected static java.lang.String[]	copyAndSort(java.lang.String[] input) Copy an sort the input array.
static EventPropertyGetter[]	getGetters(EventType eventType, java.lang.String[] propertyNames) Return getters for property names.
static java.util.Map<java.lang.String,int[]>	getGroupsPerProperty(PropertyGroupDesc[] groups) From a list of property groups that include multiple group numbers for each property, make a map of group numbers per property.
static PropertyAccessException	getIllegalAccessException(java.lang.reflect.Field field, java.lang.IllegalAccessException e)
static PropertyAccessException	getIllegalAccessException(java.lang.reflect.Method method, java.lang.IllegalAccessException e)
static PropertyAccessException	getIllegalArgumentException(java.lang.reflect.Field field, java.lang.IllegalArgumentException e)
static PropertyAccessException	getIllegalArgumentException(java.lang.reflect.Method method, java.lang.IllegalArgumentException e)
static PropertyAccessException	getInvocationTargetException(java.lang.reflect.Method method, java.lang.reflect.InvocationTargetException e)
static java.lang.Object	getKeys(EventBean theEvent, EventPropertyGetter[] keyPropertyGetters) Returns a multi-key for an event and key property getters
static PropertyAccessException	getMismatchException(java.lang.reflect.Field field, java.lang.Object object, java.lang.ClassCastException e)
static PropertyAccessException	getMismatchException(java.lang.reflect.Method method, java.lang.Object object, java.lang.ClassCastException e)
static java.util.Map<EventType,RevisionTypeDesc>	getPerType(PropertyGroupDesc[] groups, java.lang.String[] changesetProperties, java.lang.String[] keyProperties) From a list of property groups that include contributing event types, build a map of contributing event types and their type descriptor.
protected static java.lang.String[]	uniqueExclusiveSort(java.lang.String[] values, java.lang.String[] removeValues) Remove from values all removeValues and build a unique sorted result array.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

PropertyUtility

public PropertyUtility()

Method Detail

getKeys

public static java.lang.Object getKeys(EventBean theEvent,
                                       EventPropertyGetter[] keyPropertyGetters)

Returns a multi-key for an event and key property getters

Parameters:

theEvent - to get keys for

keyPropertyGetters - getters to use

Returns:

key

getPerType

public static java.util.Map<EventType,RevisionTypeDesc> getPerType(PropertyGroupDesc[] groups,
                                                                   java.lang.String[] changesetProperties,
                                                                   java.lang.String[] keyProperties)

From a list of property groups that include contributing event types, build a map of contributing event types and their type descriptor.

Parameters:

groups - property groups

changesetProperties - properties that change between groups

keyProperties - key properties

Returns:

map of event type and type information

getGroupsPerProperty

public static java.util.Map<java.lang.String,int[]> getGroupsPerProperty(PropertyGroupDesc[] groups)

From a list of property groups that include multiple group numbers for each property, make a map of group numbers per property.

Parameters:

groups - property groups

Returns:

map of property name and group number

analyzeGroups

public static PropertyGroupDesc[] analyzeGroups(java.lang.String[] allProperties,
                                                EventType[] deltaEventTypes,
                                                java.lang.String[] names)

Analyze multiple event types and determine common property sets that form property groups.

Parameters:

allProperties - property names to look at

deltaEventTypes - all types contributing

names - names of properies

Returns:

groups

copyAndSort

protected static java.lang.String[] copyAndSort(java.lang.String[] input)

Copy an sort the input array.

Parameters:

input - to sort

Returns:

sorted copied array

getGetters

public static EventPropertyGetter[] getGetters(EventType eventType,
                                               java.lang.String[] propertyNames)

Return getters for property names.

Parameters:

eventType - type to get getters from

propertyNames - names to get

Returns:

getters

uniqueExclusiveSort

protected static java.lang.String[] uniqueExclusiveSort(java.lang.String[] values,
                                                        java.lang.String[] removeValues)

Remove from values all removeValues and build a unique sorted result array.

Parameters:

values - to consider

removeValues - values to remove from values

Returns:

sorted unique

getMismatchException

public static PropertyAccessException getMismatchException(java.lang.reflect.Method method,
                                                           java.lang.Object object,
                                                           java.lang.ClassCastException e)

getMismatchException

public static PropertyAccessException getMismatchException(java.lang.reflect.Field field,
                                                           java.lang.Object object,
                                                           java.lang.ClassCastException e)

getInvocationTargetException

public static PropertyAccessException getInvocationTargetException(java.lang.reflect.Method method,
                                                                   java.lang.reflect.InvocationTargetException e)

getIllegalAccessException

public static PropertyAccessException getIllegalAccessException(java.lang.reflect.Field field,
                                                                java.lang.IllegalAccessException e)

getIllegalArgumentException

public static PropertyAccessException getIllegalArgumentException(java.lang.reflect.Field field,
                                                                  java.lang.IllegalArgumentException e)

getIllegalAccessException

public static PropertyAccessException getIllegalAccessException(java.lang.reflect.Method method,
                                                                java.lang.IllegalAccessException e)

getIllegalArgumentException

public static PropertyAccessException getIllegalArgumentException(java.lang.reflect.Method method,
                                                                  java.lang.IllegalArgumentException e)