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## com.meyling.principia.argument
Class AbstractArgumentAtom

    java.lang.Object
      com.meyling.principia.argument.AbstractArgument
          com.meyling.principia.argument.AbstractArgumentAtom

All Implemented Interfaces:
  Argument

Direct Known Subclasses:
  Counter, Text

public abstract class AbstractArgumentAtom
extends AbstractArgument
implements Argument

Every Atom must inherit from this class. Its main function is to provide the standard implemention of `equals(java.lang.Object)`, `AbstractArgument.matches(com.meyling.principia.argument.Argument, com.meyling.principia.argument.PatternVariables)` and `AbstractArgument.hashCode()`.

Version:
  $Revision: 1.5 $
Author:
  Michael Meyling

Constructor Summary
`AbstractArgumentAtom()`

Method Summary
`abstract Argument` | `copy()` Returns an identical object (maybe "this").
`Argument` | `create(Argument[] arguments)` Create a new Argument with given arguments.
`abstract boolean` | `equals(Object object)` Is this object equal to the given one?
`Argument` | `getArgument(int i)` Get the requested argument.
`int` | `getArgumentSize()` Get the number of arguments.
`abstract String` | `toString()` Get the argument in `String` form.

Methods inherited from class com.meyling.principia.argument.AbstractArgument
`containsPatternVariables, getHighestNumber, getPatternVariables, getReplacementParents, getSearchParents, hashCode, matches, matches, replace, replace, replace, replaceMatches`

Methods inherited from class java.lang.Object
`clone, finalize, getClass, notify, notifyAll, wait, wait, wait`

Methods inherited from interface com.meyling.principia.argument.Argument
`containsPatternVariables, getPatternVariables, getReplacementParents, getSearchParents, hashCode, matches, matches, replace, replace, replace, replaceMatches`

Constructor Detail

### AbstractArgumentAtom

    public AbstractArgumentAtom()

Method Detail

### getArgumentSize

    public int getArgumentSize()

  Description copied from interface: `Argument`
  Get the number of arguments.

  Specified by:
    `getArgumentSize` in interface `Argument`
  Specified by:
    `getArgumentSize` in class `AbstractArgument`
  Returns:
    always 0

### getArgument

    public Argument getArgument(int i)
                         throws IllegalArgumentException

  Description copied from interface: `Argument`
  Get the requested argument.

  Specified by:
    `getArgument` in interface `Argument`
  Specified by:
    `getArgument` in class `AbstractArgument`
  Parameters:
    `i` - number of argument
  Returns:
    will never return anything, this is an Atom
  Throws:
    `IllegalArgumentException` - will always be thrown

### equals

    public abstract boolean equals(Object object)

  Description copied from interface: `Argument`
  Is this object equal to the given one? This is true iff `object` is an instance of `Argument` and both arguments have the same `Argument.getArgumentSize()` and each `Argument.getArgument(int)` `Argument.equals(java.lang.Object)`.

  Specified by:
    `equals` in interface `Argument`
  Overrides:
    `equals` in class `AbstractArgument`

### copy

    public abstract Argument copy()

  Description copied from interface: `Argument`
  Returns an identical object (maybe "this").

  Specified by:
    `copy` in interface `Argument`
  Returns:
    copy of this object

### create

    public final Argument create(Argument[] arguments)

  Description copied from interface: `Argument`
  Create a new Argument with given arguments.

  Specified by:
    `create` in interface `Argument`
  Specified by:
    `create` in class `AbstractArgument`

### toString

    public abstract String toString()

  Description copied from interface: `Argument`
  Get the argument in `String` form.

  Specified by:
    `toString` in interface `Argument`
  Specified by:
    `toString` in class `AbstractArgument`

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