Package 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

Fields
Modifier and Type
Field
Description
`static final int`
`DECREMENT_OPER`
-
`static final int`
`DELETE_OPER`
del
`static final int`
`EQUALS_OPER`
=
`static final int`
`INCREMENT_OPER`
+

### Fields inherited from class org.apache.tools.ant.types.EnumeratedAttribute

`value`

## Constructor Summary

Constructors
Constructor
Description
`Operation()`

## Method Summary

Modifier and Type
Method
Description
`String[]`
`getValues()`
This is the only method a subclass needs to implement.
`static int`
`toOperation(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 Details

### 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

### DELETE_OPER

public static final int DELETE_OPER
del

See Also:
  - Constant Field Values

## Constructor Details

### Operation

public Operation()

## Method Details

### getValues

public 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(String oper)
Convert string to index.

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