TestHelper (GemFire XD Java API Documentation)

java.lang.Object
- util.TestHelper

```
public class TestHelper
extends Object
```

Field Summary

Fields
Modifier and Type	Field and Description
`static String`	`EVENT_ERROR_KEY`
`static long`	`MICRO_NANO_FACTOR`
`static int`	`MICROS`
`static long`	`MILLI_MICRO_FACTOR`
`static long`	`MILLI_NANO_FACTOR`
`static int`	`MILLIS`
`static int`	`NANOS`
`static long`	`SEC_MILLI_FACTOR`
`static long`	`SEC_NANO_FACTOR`
`static int`	`SECONDS`

Constructor Summary

Constructors
Constructor and Description

TestHelper()

Constructors
Constructor and Description
`TestHelper()`

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method and Description
`static boolean`	`borderCase(Long paramKey)`
`static int`	`calculateStringSize(String aStr)` Calculate the size of a String (often used by the tests for a key) for use by tests that track bytes for eviction.
`static void`	`checkForEventError(Blackboard bb)` Using TestHelper.EVENT_ERROR_KEY, look in the sharedMap of the given blackboard for any error strings and throw an error if found.
`static Object`	`createInstance(Class aClass)` Create an instance of the given class.
`static Object`	`createInstance(String className)` Create an instance of the given class name.
`static Throwable`	`findCause(Throwable aThrowable, Class type)` Get the first Throwable in the cause chain of aThrowable that is an instanceof type.
`static String`	`format(double adouble, int placesBeforeDecimal, int placesAfterDecimal)` Format the given double as a string.
`static String`	`format(long along, int places)` Format a long and return it as a String.
`static Set`	`getAllKeys(com.gemstone.gemfire.cache.Region aRegion)` Given a region, return a set containing all keys in the region and all subregions of the region.
`static String`	`getConcurrencyChecksEnabled(com.gemstone.gemfire.cache.RegionAttributes attrs)` Display string for concurrencyChecksEnabled.
`static com.gemstone.gemfire.cache.DataPolicy`	`getDataPolicy(String attribute)` Given a dataPolicy attribute, return the corresponding DataPolicy.
`static com.gemstone.gemfire.cache.ExpirationAction`	`getExpirationAction(String action)` Given an action, return the corresponding ExpirationAction.
`static String`	`getGemFireName()` Returns the name of the gemfire system for this VM
`static com.gemstone.gemfire.cache.InterestPolicy`	`getInterestPolicy(String attribute)` Given a interestPolicy attribute, return the corresponding InterestPolicy.
`static com.gemstone.gemfire.cache.InterestResultPolicy`	`getInterestResultPolicy(String attribute)` Given a interestResultPolicy attribute, return the corresponding InterestResultPolicy.
`static Throwable`	`getLastCausedBy(Throwable e)` Given a Throwable, return the last cause or the given Throwable if no caused by's.
`static com.gemstone.gemfire.cache.LossAction`	`getLossAction(String lossAction)` Given a lossAction, return the corresponding LossAction
`static com.gemstone.gemfire.cache.MirrorType`	`getMirrorType(String attribute)` Given a mirroring attribute, return the corresponding MirrorType.
`static double`	`getNumCQsCreated()` Return the number of CQs (CqServiceStats.numCQsCreated)
`static double`	`getNumHeapLRUEvictions()` Return the number of HeapLRU evictions that have occurred.
`static double`	`getNumLoadsCompleted()` Return the number of loadsCompleted
`static double`	`getNumLRUEvictions()` Return the number of LRU evictions that have occurred.
`static double`	`getNumMemLRUEvictions()` Return the number of MemLRU evictions that have occurred.
`static int`	`getNumThreads()` Return the number of threads in this test
`static int`	`getNumVMs()` Return the number of VMs in this test
`static int`	`getPercentageOf(int percentage, int anInt)`
`static Object`	`getRandomElementInSet(Set aSet)` Return a random element in aSet.
`static Object`	`getRandomKeyInMap(Map aMap)` Return a random key in aMap.
`static com.gemstone.gemfire.cache.InterestResultPolicy`	`getResultPolicy(String policy)` Given a result policy as a string, return the corresponding InterestResultPolicy.
`static com.gemstone.gemfire.cache.ResumptionAction`	`getResumptionAction(String resumptionAction)` Given a resumptionAction, return the corresponding ResumptionAction
`static com.gemstone.gemfire.cache.Scope`	`getScope(String attribute)` Given a scope attribute, return the corresponding Scope.
`static int`	`getSizeInBytes(Object anObj)` Get the size in bytes of anObj.
`static String`	`getStackTrace()` Get a stack trace of the current stack and return it as a String
`static String`	`getStackTrace(String reason)` Get a stack trace of the current stack and return it as a String
`static String`	`getStackTrace(Throwable aThrowable)` Get a stack trace for the given Throwable and return it as a String.
`static int`	`getStat_deltaGetInitialImagesCompleted(String regionName)` Returns the current stat value of CachePerfStats.deltaGetIntialImagesCompleted.
`static int`	`getStat_getInitialImagesCompleted(String regionName)` Returns the current stat value of CachePerfStats.getIntialImagesCompleted.
`static int`	`getStat_getInitialImagesInProgress(String regionName)` Returns the current stat value of CachePerfStats.getIntialImagesInProgress.
`static long`	`getStat_getInitialImageTime(String regionName)` Returns the current stat value of CachePerfStats.getIntialImageTime.
`static int`	`getStat_getRecoveriesInProgress(String diskStoreName)` Returns the current stat value of DiskStoreStatistics(diskStoreName).recoveriesInProgress This is done by getting the stat directly without going to the archive file, thus the stat is local to this cache and cannot be combined across archives, but it is faster than going to the archive.
`static int`	`getTotalNumKeys(com.gemstone.gemfire.cache.Region aRegion)` Given a region, get the number of keys in the region and all subregions of the region.
`static void`	`logRegionHierarchy()` Log all regions in the cache
`static String`	`millisToString(long millis)`
`static String`	`nanosToString(long nanos)`
`static String`	`regionAttributesToString(com.gemstone.gemfire.cache.RegionAttributes attr)` Given RegionAttributes, return a string logging its configuration.
`static String`	`regionHierarchyToString()` Return a string representation of the region hierarchy for this test.
`static String`	`regionsToString(com.gemstone.gemfire.cache.Region aRegion, boolean showAttributes)` Given a Region, return a string logging its name and attributes (if specified by the arguments) and all its subregions.
`static String`	`regionToString(com.gemstone.gemfire.cache.Region aRegion, boolean showAttributes)` Given a Region, return a string logging its name and attributes (if specified by the arguments)
`static void`	`sleepForever()`
`static com.gemstone.gemfire.cache.ExpirationAction`	`stringToExpirationAction(String eaStr)`
`static long`	`stringToNanos(String aStr)` Given a String which was returned from TestHelper.nanosToString, return the nanos as a long.
`static String`	`toString(Object anObj)` Return a String representing anObj.
`static String`	`toString(Object anObj, int numElements, int depth)` Return a String representing anObj using the given number of elements and number of levels.
`static String`	`unitToString(int timeUnit)`
`static String`	`waitForContainsKey(com.gemstone.gemfire.cache.Region aRegion, Object key, boolean expected, long timeoutMS, boolean logProgress)` Using the given region and key, wait for containsKey to become the same value as expected.
`static String`	`waitForContainsValueForKey(com.gemstone.gemfire.cache.Region aRegion, Object key, boolean expected, long timeoutMS, boolean logProgress)` Using the given region and key, wait for containsValueForKey to become the same value as expected.
`static void`	`waitForCounter(Blackboard BB, String counterName, int whichCounter, long requiredCounterValue, boolean exact, long waitLimitMS)` Wait for a hydra blackboard counter to have a particular value.
`static void`	`waitForCounter(Blackboard BB, String counterName, int whichCounter, long requiredCounterValue, boolean exact, long waitLimitMS, long sleepMS)` Wait for a hydra blackboard counter to have a particular value.
`static void`	`waitForCounterSum(Blackboard BB, String counterName1, String counterName2, long requiredCounterSum, boolean exact, long waitLimitMS)` Wait for the sum of two hydra blackboard counters to have a particular value.
`static void`	`waitForObjectValue(com.gemstone.gemfire.cache.Region aRegion, Object key, Object expectedObjectValue, long timeoutMS)` Using the given region and key, wait for the object's value to become expectedObjectValue.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - MILLIS
```
public static final int MILLIS
```
    See Also:
    
    Constant Field Values
  - NANOS
```
public static final int NANOS
```
    See Also:
    
    Constant Field Values
  - MICROS
```
public static final int MICROS
```
    See Also:
    
    Constant Field Values
  - SECONDS
```
public static final int SECONDS
```
    See Also:
    
    Constant Field Values
  - SEC_NANO_FACTOR
```
public static final long SEC_NANO_FACTOR
```
    See Also:
    
    Constant Field Values
  - MILLI_NANO_FACTOR
```
public static final long MILLI_NANO_FACTOR
```
    See Also:
    
    Constant Field Values
  - MILLI_MICRO_FACTOR
```
public static final long MILLI_MICRO_FACTOR
```
    See Also:
    
    Constant Field Values
  - MICRO_NANO_FACTOR
```
public static final long MICRO_NANO_FACTOR
```
    See Also:
    
    Constant Field Values
  - SEC_MILLI_FACTOR
```
public static final long SEC_MILLI_FACTOR
```
    See Also:
    
    Constant Field Values
  - EVENT_ERROR_KEY
```
public static String EVENT_ERROR_KEY
```
- Constructor Detail
  - TestHelper
```
public TestHelper()
```
- Method Detail
  - toString
```
public static String toString(Object anObj)
```
    Return a String representing anObj. Use hydra params for number of elements and number of levels.
  - toString
```
public static String toString(Object anObj,
                              int numElements,
                              int depth)
```
    Return a String representing anObj using the given number of elements and number of levels.
    
    Parameters:
    
    numElements - The maximum number of elements in anObj to print.
    
    depth - The maximum depth to print for elements of anObj.
  - getStackTrace
```
public static String getStackTrace()
```
    Get a stack trace of the current stack and return it as a String
  - getStackTrace
```
public static String getStackTrace(String reason)
```
    Get a stack trace of the current stack and return it as a String
  - findCause
```
public static Throwable findCause(Throwable aThrowable,
                                  Class type)
```
    Get the first Throwable in the cause chain of aThrowable that is an instanceof type.
    
    Parameters:
    
    aThrowable - the head of the cause chain
    
    type - the Class of the cause to look for
    
    Returns:
    
    the Throwable the matches, or null if not found
  - getStackTrace
```
public static String getStackTrace(Throwable aThrowable)
```
    Get a stack trace for the given Throwable and return it as a String.
    
    Parameters:
    
    aThrowable - The exception to get the stack trace for.
    
    Returns:
    
    The call stack for aThrowable as a string.
  - format
```
public static String format(double adouble,
                            int placesBeforeDecimal,
                            int placesAfterDecimal)
```
    Format the given double as a string.
    
    Parameters:
    
    adouble - The double to format.
    
    placesBeforeDecimal - The number of places to have before the decimal point. Pads with spaces if necessary. If this is not large enough for adouble, more than placesBeforeDecimal will be used to accomodate the double.
    
    placesAfterDecimal - The number of places to have after the decimal point. Pads with zeroes if necessary. If this is not large enough for adouble, more than placesAfterDecimal will be used to accomodate the double.
    
    Returns:
    
    The formatted double as a String.
  - format
```
public static String format(long along,
                            int places)
```
    Format a long and return it as a String.
    
    Parameters:
    
    along - The long to format.
    
    places - The number of places for anInt. Pads with zeroes if necessary.
    
    Returns:
    
    The formatted long as a String.
  - millisToString
```
public static String millisToString(long millis)
```
  - nanosToString
```
public static String nanosToString(long nanos)
```
  - stringToNanos
```
public static long stringToNanos(String aStr)
```
    Given a String which was returned from TestHelper.nanosToString, return the nanos as a long.
  - unitToString
```
public static String unitToString(int timeUnit)
```
  - getPercentageOf
```
public static int getPercentageOf(int percentage,
                                  int anInt)
```
  - borderCase
```
public static boolean borderCase(Long paramKey)
```
  - getRandomKeyInMap
```
public static Object getRandomKeyInMap(Map aMap)
```
    Return a random key in aMap. This should only be called for relatively small maps, as it is expensive.
  - getRandomElementInSet
```
public static Object getRandomElementInSet(Set aSet)
```
    Return a random element in aSet. This should only be called for relatively small sets, as it is expensive.
  - stringToExpirationAction
```
public static com.gemstone.gemfire.cache.ExpirationAction stringToExpirationAction(String eaStr)
```
  - sleepForever
```
public static void sleepForever()
```
  - waitForCounterSum
```
public static void waitForCounterSum(Blackboard BB,
                                     String counterName1,
                                     String counterName2,
                                     long requiredCounterSum,
                                     boolean exact,
                                     long waitLimitMS)
```
    Wait for the sum of two hydra blackboard counters to have a particular value.
    
    Parameters:
    
    BB - The hydra blackboard containing the counters to use.
    
    counterName1 - The name of the blackboard counter in BB.
    
    counterName2 - The name of the blackboard counter in BB.
    
    requiredCounterSum - The required counter sum.
    
    exact - If true, then the counter sum must have exactly the value requiredCounterSum. If false, then the counters' sum must be >= requiredCounterSum.
    
    waitLimitMS - If the counter sum does not have the required value by this many milliseconds then throw an error.
    
    Throws:
    
    TestException - if the counter sum does not have the required value in waitLimitMS millis.
  - waitForCounter
```
public static void waitForCounter(Blackboard BB,
                                  String counterName,
                                  int whichCounter,
                                  long requiredCounterValue,
                                  boolean exact,
                                  long waitLimitMS,
                                  long sleepMS)
```
    Wait for a hydra blackboard counter to have a particular value.
    
    Parameters:
    
    BB - The hydra blackboard containing the counters to use.
    
    counterName - The name of the blackboard counter, used to log information about it.
    
    whichCounter - The hydra index of the counter.
    
    requiredCounterValue - The required counter value.
    
    exact - If true, then the counter value must have exactly the value requiredCounterValue. If false, then the counter's value must be >= requiredCounterValue.
    
    waitLimitMS - If the counter does not have the required value by this many milliseconds then throw an error.
    
    sleepMS - The number of millis to sleep between each read of the counter.
    
    Throws:
    
    TestException - if the counter does not have the required value in waitLimitMS millis.
  - waitForCounter
```
public static void waitForCounter(Blackboard BB,
                                  String counterName,
                                  int whichCounter,
                                  long requiredCounterValue,
                                  boolean exact,
                                  long waitLimitMS)
```
    Wait for a hydra blackboard counter to have a particular value.
    
    Parameters:
    
    BB - The hydra blackboard containing the counters to use.
    
    counterName - The name of the blackboard counter, used to log information about it.
    
    whichCounter - The hydra index of the counter.
    
    requiredCounterValue - The required counter value.
    
    exact - If true, then the counter value must have exactly the value requiredCounterValue. If false, then the counter's value must be >= requiredCounterValue.
    
    waitLimitMS - If the counter does not have the required value by this many milliseconds then throw an error.
    
    Throws:
    
    TestException - if the counter does not have the required value in waitLimitMS millis.
  - waitForContainsKey
```
public static String waitForContainsKey(com.gemstone.gemfire.cache.Region aRegion,
                                        Object key,
                                        boolean expected,
                                        long timeoutMS,
                                        boolean logProgress)
```
    Using the given region and key, wait for containsKey to become the same value as expected. Throw an error if it does not have the expected value by timeoutMS milliseconds.
    
    Parameters:
    
    aRegion - The region to use for containsKey.
    
    key - The key in aRegion to call containsKey on.
    
    expected - The expected value of containsKey.
    
    timeoutMS - The number of milliseconds to wait.
    
    logProgress - If true, then log the progress of the wait, otherwise wait silently.
    
    Returns:
    
    A string containing a log of the progress of the wait.
    
    Throws:
    
    TestException - if containsKey does not become expectedContainsKey in timeoutMS millis.
  - waitForContainsValueForKey
```
public static String waitForContainsValueForKey(com.gemstone.gemfire.cache.Region aRegion,
                                                Object key,
                                                boolean expected,
                                                long timeoutMS,
                                                boolean logProgress)
```
    Using the given region and key, wait for containsValueForKey to become the same value as expected. Throw an error if it does not have the expected value by timeoutMS milliseconds.
    
    Parameters:
    
    aRegion - The region to use for containsValueForKey.
    
    key - The key in aRegion to call containsValueForKey on.
    
    expected - The expected value of containsValueForKey.
    
    timeoutMS - The number of milliseconds to wait.
    
    logProgress - If true, then log the progress of the wait, otherwise wait silently.
    
    Returns:
    
    A string containing a log of the progress of the wait.
    
    Throws:
    
    TestException - if containsValueForKey does not become expected in timeoutMS millis.
  - waitForObjectValue
```
public static void waitForObjectValue(com.gemstone.gemfire.cache.Region aRegion,
                                      Object key,
                                      Object expectedObjectValue,
                                      long timeoutMS)
```
    Using the given region and key, wait for the object's value to become expectedObjectValue. Throw an error if it does not have the expected value by timeoutMS milliseconds.
    
    Parameters:
    
    aRegion - The region to use.
    
    key - The key in aRegion.
    
    timeoutMS - The number of milliseconds to wait.
    
    Throws:
    
    TestException - if the object does not have the expected valuein timeoutMS millis.
  - getGemFireName
```
public static String getGemFireName()
```
    Returns the name of the gemfire system for this VM
  - regionToString
```
public static String regionToString(com.gemstone.gemfire.cache.Region aRegion,
                                    boolean showAttributes)
```
    Given a Region, return a string logging its name and attributes (if specified by the arguments)
    
    Parameters:
    
    aRegion - Return a string describing this region.
    
    showAttributes - True if the string should include aRegion's attributes, false otherwise.
    
    Returns:
    
    A String representing aRegion.
  - regionsToString
```
public static String regionsToString(com.gemstone.gemfire.cache.Region aRegion,
                                     boolean showAttributes)
```
    Given a Region, return a string logging its name and attributes (if specified by the arguments) and all its subregions.
    
    Parameters:
    
    aRegion - Return a string describing this region and all its subregions.
    
    showAttributes - True if the string should include the regions' attributes, false otherwise.
    
    Returns:
    
    A String representing aRegion and all its subregions.
  - regionAttributesToString
```
public static String regionAttributesToString(com.gemstone.gemfire.cache.RegionAttributes attr)
```
    Given RegionAttributes, return a string logging its configuration.
    
    Parameters:
    
    attr - Return a string describing this region.
    
    Returns:
    
    A String representing aRegion.
  - getConcurrencyChecksEnabled
```
public static String getConcurrencyChecksEnabled(com.gemstone.gemfire.cache.RegionAttributes attrs)
```
    Display string for concurrencyChecksEnabled. Support for this attribute was introduced in GemFire 7.0 (previous versions will not support)
    
    Returns:
    
    A String to display the concurrencyChecksEnabled setting (see regionAttributesToString)
  - getLossAction
```
public static com.gemstone.gemfire.cache.LossAction getLossAction(String lossAction)
```
    Given a lossAction, return the corresponding LossAction
    
    Parameters:
    
    lossAction - The loss action as a string
    
    Returns:
    
    A LossAction
  - getResumptionAction
```
public static com.gemstone.gemfire.cache.ResumptionAction getResumptionAction(String resumptionAction)
```
    Given a resumptionAction, return the corresponding ResumptionAction
    
    Parameters:
    
    resumptionAction - The resumptionAction as a string
    
    Returns:
    
    A ResumptionAction
  - getExpirationAction
```
public static com.gemstone.gemfire.cache.ExpirationAction getExpirationAction(String action)
```
    Given an action, return the corresponding ExpirationAction.
    
    Parameters:
    
    action - The action as a String.
    
    Returns:
    
    An ExpirationAction
  - getResultPolicy
```
public static com.gemstone.gemfire.cache.InterestResultPolicy getResultPolicy(String policy)
```
    Given a result policy as a string, return the corresponding InterestResultPolicy.
    
    Parameters:
    
    policy - The result policy as a String.
    
    Returns:
    
    An InterestResultPolicy.
  - getMirrorType
```
public static com.gemstone.gemfire.cache.MirrorType getMirrorType(String attribute)
```
    Given a mirroring attribute, return the corresponding MirrorType.
    
    Parameters:
    
    attribute - The mirroring attribute.
    
    Returns:
    
    A MirrorType
  - getDataPolicy
```
public static com.gemstone.gemfire.cache.DataPolicy getDataPolicy(String attribute)
```
    Given a dataPolicy attribute, return the corresponding DataPolicy.
    
    Parameters:
    
    attribute - The dataPolicy attribute.
    
    Returns:
    
    A DataPolicy
  - getInterestPolicy
```
public static com.gemstone.gemfire.cache.InterestPolicy getInterestPolicy(String attribute)
```
    Given a interestPolicy attribute, return the corresponding InterestPolicy.
    
    Parameters:
    
    attribute - The interestPolicy attribute.
    
    Returns:
    
    A InterestPolicy
  - getInterestResultPolicy
```
public static com.gemstone.gemfire.cache.InterestResultPolicy getInterestResultPolicy(String attribute)
```
    Given a interestResultPolicy attribute, return the corresponding InterestResultPolicy.
    
    Parameters:
    
    attribute - The interestResultPolicy attribute.
    
    Returns:
    
    A InterestResultPolicy
  - getScope
```
public static com.gemstone.gemfire.cache.Scope getScope(String attribute)
```
    Given a scope attribute, return the corresponding Scope.
    
    Parameters:
    
    attribute - The scope attribute.
    
    Returns:
    
    A Scope
  - getTotalNumKeys
```
public static int getTotalNumKeys(com.gemstone.gemfire.cache.Region aRegion)
```
    Given a region, get the number of keys in the region and all subregions of the region.
    
    Parameters:
    
    aRegion - Get the number of keys in this region and all subregions of this region.
    
    Returns:
    
    int The number of keys in this region and all subregions of this region.
  - getAllKeys
```
public static Set getAllKeys(com.gemstone.gemfire.cache.Region aRegion)
```
    Given a region, return a set containing all keys in the region and all subregions of the region.
    
    Parameters:
    
    aRegion - Get the keys in this region and all subregions of this region.
    
    Returns:
    
    Set The keys in this region and all subregions of this region.
  - checkForEventError
```
public static void checkForEventError(Blackboard bb)
```
    Using TestHelper.EVENT_ERROR_KEY, look in the sharedMap of the given blackboard for any error strings and throw an error if found. This is typically used with event listeners. Errors thrown from an event listener do not throw back to the client. Tests can implement listeners that put error strings into a blackboard shared map, then the client can call this method periodically to check for errors.
    
    Parameters:
    
    bb - The blackboard to check.
    
    Throws:
    
    TestException - if any error string was found in the bb using key TestHelper.EVENT_ERROR_KEY
  - getNumLRUEvictions
```
public static double getNumLRUEvictions()
```
    Return the number of LRU evictions that have occurred.
    
    Returns:
    
    The number of LRU evictions, obtained from stats.
  - getNumMemLRUEvictions
```
public static double getNumMemLRUEvictions()
```
    Return the number of MemLRU evictions that have occurred.
    
    Returns:
    
    The number of MemLRU evictions, obtained from stats.
  - getNumHeapLRUEvictions
```
public static double getNumHeapLRUEvictions()
```
    Return the number of HeapLRU evictions that have occurred.
    
    Returns:
    
    The number of HeapLRU evictions, obtained from stats.
  - getNumLoadsCompleted
```
public static double getNumLoadsCompleted()
```
    Return the number of loadsCompleted
    
    Returns:
    
    The number of loadsCompleted from servers, obtained from product cachePerfStats.
  - getNumCQsCreated
```
public static double getNumCQsCreated()
```
    Return the number of CQs (CqServiceStats.numCQsCreated)
    
    Returns:
    
    The total number of CQs (CqServiceStats.numCQsCreated) for all client VMs
  - getNumVMs
```
public static int getNumVMs()
```
    Return the number of VMs in this test
  - getNumThreads
```
public static int getNumThreads()
```
    Return the number of threads in this test
  - getSizeInBytes
```
public static int getSizeInBytes(Object anObj)
```
    Get the size in bytes of anObj.
    
    Parameters:
    
    anObj - Determine the size in bytes of this object.
    
    Returns:
    
    The number of bytes of anObj.
  - getStat_getRecoveriesInProgress
```
public static int getStat_getRecoveriesInProgress(String diskStoreName)
```
    Returns the current stat value of DiskStoreStatistics(diskStoreName).recoveriesInProgress This is done by getting the stat directly without going to the archive file, thus the stat is local to this cache and cannot be combined across archives, but it is faster than going to the archive.
    
    Returns:
    
    - the current value of DiskStoreStatistics(diskStoreName).recoveriesInProgress
  - getStat_getInitialImagesInProgress
```
public static int getStat_getInitialImagesInProgress(String regionName)
```
    Returns the current stat value of CachePerfStats.getIntialImagesInProgress. This is done by getting the stat directly without going to the archive file, thus the stat is local to this cache and cannot be combined across archives, but it is faster than going to the archive.
    
    Returns:
    
    - the current value of CachePerfStats.getIntialImagesInProgress
  - getStat_getInitialImagesCompleted
```
public static int getStat_getInitialImagesCompleted(String regionName)
```
    Returns the current stat value of CachePerfStats.getIntialImagesCompleted. This is done by getting the stat directly without going to the archive file, thus the stat is local to this cache and cannot be combined across archives, but it is faster than going to the archive.
    
    Returns:
    
    - the current value of CachePerfStats.getIntialImagesCompleted
  - getStat_deltaGetInitialImagesCompleted
```
public static int getStat_deltaGetInitialImagesCompleted(String regionName)
```
    Returns the current stat value of CachePerfStats.deltaGetIntialImagesCompleted. This is done by getting the stat directly without going to the archive file, thus the stat is local to this cache and cannot be combined across archives, but it is faster than going to the archive.
    
    Returns:
    
    - the current value of CachePerfStats.deltaGetIntialImagesCompleted
  - getStat_getInitialImageTime
```
public static long getStat_getInitialImageTime(String regionName)
```
    Returns the current stat value of CachePerfStats.getIntialImageTime. This is done by getting the stat directly without going to the archive file, thus the stat is local to this cache and cannot be combined across archives, but it is faster than going to the archive.
    
    Returns:
    
    - the current value of CachePerfStats.getIntialImageTime
  - createInstance
```
public static Object createInstance(String className)
```
    Create an instance of the given class name. It is assumed that the class has a no arg constructor.
    
    Parameters:
    
    className - The class to create an instance of.
  - createInstance
```
public static Object createInstance(Class aClass)
```
    Create an instance of the given class. It is assumed that the class has a no arg constructor.
    
    Parameters:
    
    aClass - The class to create an instance of.
  - calculateStringSize
```
public static int calculateStringSize(String aStr)
```
    Calculate the size of a String (often used by the tests for a key) for use by tests that track bytes for eviction. This is in parallel with how the product determines the size of a String.
    
    Parameters:
    
    aStr - The String to calculate
    
    Returns:
    
    The number of bytes the product allocates for aStr.
  - getLastCausedBy
```
public static Throwable getLastCausedBy(Throwable e)
```
    Given a Throwable, return the last cause or the given Throwable if no caused by's.
    
    Parameters:
    
    e - The Throwable for which to find the last caused by.
    
    Returns:
    
    The last caused by for e, or e if no caused by's.
  - logRegionHierarchy
```
public static void logRegionHierarchy()
```
    Log all regions in the cache
  - regionHierarchyToString
```
public static String regionHierarchyToString()
```
    Return a string representation of the region hierarchy for this test.

Class TestHelper

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

MILLIS

NANOS

MICROS

SECONDS

SEC_NANO_FACTOR

MILLI_NANO_FACTOR

MILLI_MICRO_FACTOR

MICRO_NANO_FACTOR

SEC_MILLI_FACTOR

EVENT_ERROR_KEY

Constructor Detail

TestHelper

Method Detail

toString

toString

getStackTrace

getStackTrace

findCause

getStackTrace

format

format

millisToString

nanosToString

stringToNanos

unitToString

getPercentageOf

borderCase

getRandomKeyInMap

getRandomElementInSet

stringToExpirationAction

sleepForever

waitForCounterSum

waitForCounter

waitForCounter

waitForContainsKey

waitForContainsValueForKey

waitForObjectValue

getGemFireName

regionToString

regionsToString

regionAttributesToString

getConcurrencyChecksEnabled

getLossAction

getResumptionAction

getExpirationAction

getResultPolicy

getMirrorType

getDataPolicy

getInterestPolicy

getInterestResultPolicy

getScope

getTotalNumKeys

getAllKeys

checkForEventError

getNumLRUEvictions

getNumMemLRUEvictions

getNumHeapLRUEvictions

getNumLoadsCompleted

getNumCQsCreated

getNumVMs

getNumThreads

getSizeInBytes

getStat_getRecoveriesInProgress

getStat_getInitialImagesInProgress

getStat_getInitialImagesCompleted

getStat_deltaGetInitialImagesCompleted

getStat_getInitialImageTime

createInstance

createInstance

calculateStringSize

getLastCausedBy

logRegionHierarchy

regionHierarchyToString