Package org.eclipse.emf.compare.adapterfactory.context

Class AbstractContextTester

java.lang.Object
org.eclipse.emf.compare.adapterfactory.context.AbstractContextTester
All Implemented Interfaces:
IContextTester
public abstract class AbstractContextTester
extends java.lang.Object
implements IContextTester
An abstract implementation of IContextTester that provides convenience methods for retrieving values from the context map.
Since:
4.3

  • Field Summary

    Fields inherited from interface org.eclipse.emf.compare.adapterfactory.context.IContextTester

    CTX_COMPARISON

  • Constructor Summary

    Constructors 
    Constructor Description
    AbstractContextTester()  

  • Method Summary

    Modifier and Type Method Description
    protected Comparison getComparison​(java.util.Map<java.lang.Object,​java.lang.Object> context)
    Returns the comparison stored under the IContextTester.CTX_COMPARISON key.
    protected static <T> T getValue​(java.util.Map<java.lang.Object,​java.lang.Object> context, java.lang.Object key, java.lang.Class<T> expectedClass)
    Returns the value of the context map stored under the given key, if it is an instance of the given class.

    Methods inherited from class java.lang.Object

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

    Methods inherited from interface org.eclipse.emf.compare.adapterfactory.context.IContextTester

    apply

  • Constructor Details

  • Method Details

    • getComparison

      protected Comparison getComparison​(java.util.Map<java.lang.Object,​java.lang.Object> context)
      Returns the comparison stored under the IContextTester.CTX_COMPARISON key.
      Parameters:
      context - context map
      Returns:
      comparison or null, if no comparison is stored in the context

    • getValue

      protected static <T> T getValue​(java.util.Map<java.lang.Object,​java.lang.Object> context, java.lang.Object key, java.lang.Class<T> expectedClass)
      Returns the value of the context map stored under the given key, if it is an instance of the given class.
      Type Parameters:
      T - expected type of the value stored under the key
      Parameters:
      context - context map
      key - the key for the context map
      expectedClass - expected class for the value stored under the key
      Returns:
      stored value or null, if no matching value is stored under the key