## org.apache.tools.ant.taskdefs.optional
Class PropertyFile.Entry.Operation

    java.lang.Object
      org.apache.tools.ant.types.EnumeratedAttribute
          org.apache.tools.ant.taskdefs.optional.PropertyFile.Entry.Operation

Enclosing class:
  PropertyFile.Entry

    public static class PropertyFile.Entry.Operation

extends EnumeratedAttribute

Enumerated attribute with the values "+", "-", "="

Field Summary
`static int` `DECREMENT_OPER` -
`static int` `EQUALS_OPER` =
`static int` `INCREMENT_OPER` +

Fields inherited from class org.apache.tools.ant.types.EnumeratedAttribute
`value`

Constructor Summary
`PropertyFile.Entry.Operation()`

Method Summary
`java.lang.String[]` `getValues()` This is the only method a subclass needs to implement.
`static int` `toOperation(java.lang.String oper)` Convert string to index.

Methods inherited from class org.apache.tools.ant.types.EnumeratedAttribute
`containsValue, getIndex, getInstance, getValue, indexOfValue, setValue, toString`

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

Field Detail

### INCREMENT_OPER

    public static final int INCREMENT_OPER

  +

  See Also:
    Constant Field Values

### DECREMENT_OPER

    public static final int DECREMENT_OPER

  -

  See Also:
    Constant Field Values

### EQUALS_OPER

    public static final int EQUALS_OPER

  =

  See Also:
    Constant Field Values

Constructor Detail

### PropertyFile.Entry.Operation

    public PropertyFile.Entry.Operation()

Method Detail

### getValues

    public java.lang.String[] getValues()

  This is the only method a subclass needs to implement..

  Specified by:
    `getValues` in class `EnumeratedAttribute`
  Returns:
    an array holding all possible values of the enumeration. The order of elements must be fixed so that `indexOfValue(String)` always return the same index for the same value.

### toOperation

    public static int toOperation(java.lang.String oper)

  Convert string to index.

  Parameters:
    `oper` - the string to convert.
  Returns:
    the index.