Package org.eclipse.m2m.atl.emftvm.util

Class FieldContainer

  • public final class FieldContainer
extends java.lang.Object
    Reusable class for storage and lookup of Fields.

    • Field Summary

      Fields 
      Modifier and Type Field Description
      protected java.util.Set<Field> allFields
      Set of all fields (for clearing values).
      protected java.util.Map<java.lang.String,​TypeMap<java.lang.Object,​Field>> fields
      Lookup table for fields: (name -> (context -> field)).
      protected java.util.Map<java.lang.String,​TypeMap<java.lang.Object,​Field>> staticFields
      Lookup table for static fields: (name -> (context -> field)).

    • Constructor Summary

      Constructors 
      Constructor Description
      FieldContainer()  

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      void clear()
      Clears the values of all registered fields.
      Field findField​(java.lang.Object context, java.lang.String name)
      Finds the corresponding field for
      Field findStaticField​(java.lang.Object context, java.lang.String name)
      Finds the corresponding static field for
      boolean hasField​(java.lang.String name)
      Returns true iff this execution environment has any registered fields with the given name.
      boolean hasStaticField​(java.lang.String name)
      Returns true iff this execution environment has any registered static fields with the given name.
      void registerField​(Field f)
      Registers f in the corresponding lookup table.
      java.lang.String toString()

      • Methods inherited from class java.lang.Object

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

    • Field Detail

      • fields

        protected final java.util.Map<java.lang.String,​TypeMap<java.lang.Object,​Field>> fields
        Lookup table for fields: (name -> (context -> field)).

      • staticFields

        protected final java.util.Map<java.lang.String,​TypeMap<java.lang.Object,​Field>> staticFields
        Lookup table for static fields: (name -> (context -> field)).

      • allFields

        protected final java.util.Set<Field> allFields
        Set of all fields (for clearing values).

    • Constructor Detail

      • FieldContainer

        public FieldContainer()

    • Method Detail

      • registerField

        public void registerField​(Field f)
        Registers f in the corresponding lookup table.
        Parameters:
        f - the field to register

      • findField

        public Field findField​(java.lang.Object context,
                       java.lang.String name)
                throws DuplicateEntryException
        Finds the corresponding field for 
        name
        and 
        context
        .
        Parameters:
        context - the context type of the field
        name - the name of the field
        Returns:
        the corresponding field, or null if not found
        Throws:
        DuplicateEntryException - if there is a field conflict

      • hasField

        public boolean hasField​(java.lang.String name)
        Returns true iff this execution environment has any registered fields with the given name.
        Parameters:
        name - the field name
        Returns:
        true iff this execution environment has any registered fields with the given name

      • findStaticField

        public Field findStaticField​(java.lang.Object context,
                             java.lang.String name)
                      throws DuplicateEntryException
        Finds the corresponding static field for 
        name
        and 
        context
        .
        Parameters:
        context - the context type of the field
        name - the name of the field
        Returns:
        the corresponding field, or null if not found
        Throws:
        DuplicateEntryException - if there is a field conflict

      • hasStaticField

        public boolean hasStaticField​(java.lang.String name)
        Returns true iff this execution environment has any registered static fields with the given name.
        Parameters:
        name - the field name
        Returns:
        true iff this execution environment has any registered static fields with the given name

      • clear

        public void clear()
        Clears the values of all registered fields.

      • toString

        public java.lang.String toString()
        Overrides:
        toString in class java.lang.Object