SharedClassAbstractHelper (OpenJ9 JDK 11)

java.lang.Object
- com.ibm.oti.shared.SharedAbstractHelper
- - com.ibm.oti.shared.SharedClassAbstractHelper

All Implemented Interfaces:

SharedClassHelper, SharedHelper
```
public abstract class SharedClassAbstractHelper
extends SharedAbstractHelper
implements SharedClassHelper
```
SharedClassAbstractHelper provides common functions and data to class helper subclasses.

See Also:

SharedClassHelper, SharedAbstractHelper

Constructor Summary

Constructors
Constructor Description

SharedClassAbstractHelper()
Constructs a new instance of this class.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`SharedClassFilter`	`getSharingFilter()`	Returns the SharedClassFilter associated with this helper.
`boolean`	`isSharedClassCookie(byte[] classBytes)`	Determines whether a byte array being passed to defineClass is a class found in the shared class cache, or a class found locally.
`void`	`setSharingFilter(SharedClassFilter filter)`	Sets the SharedClassFilter for a helper instance.

Methods declared in class com.ibm.oti.shared.SharedAbstractHelper
getClassLoader

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

Methods declared in interface com.ibm.oti.shared.SharedHelper
getClassLoader

- Constructor Detail
  - SharedClassAbstractHelper
```
public SharedClassAbstractHelper()
```
    Constructs a new instance of this class.
- Method Detail
  - isSharedClassCookie
```
public boolean isSharedClassCookie(byte[] classBytes)
```
    Determines whether a byte array being passed to defineClass is a class found in the shared class cache, or a class found locally.
    
    Parameters:
    
    classBytes - a potential shared class cookie
    
    Returns:
    
    true if bytes are a cookie
  - setSharingFilter
```
public void setSharingFilter(SharedClassFilter filter)
```
    Sets the SharedClassFilter for a helper instance.
    Supplying null removes any filter that is currently associated with the helper instance.
    
    Specified by:
    
    setSharingFilter in interface SharedClassHelper
    
    Parameters:
    
    filter - the filter to use when finding and storing classes
  - getSharingFilter
```
public SharedClassFilter getSharingFilter()
```
    Returns the SharedClassFilter associated with this helper.
    
    Specified by:
    
    getSharingFilter in interface SharedClassHelper
    
    Returns:
    
    the filter instance, or null if none is associated