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## com.fxcm.messaging
Interface IFieldGroupList

All Superinterfaces:
  Serializable

    public interface IFieldGroupList

extends Serializable

Defines methods requred to manipulate with list field groups.
Note:Implentation is not supposed to guaranty concurent access to group from many threads.
Example of usage
`for (IFieldGroup fg = fildGroupList.getFirst(); fg != null ; fg = fildGroupList.getNext()) {`
`// do something here with fg`
`}`

Method Summary
`IFieldGroup` | `getFirst()` Obtains a first group from the list.
`IFieldGroup` | `getNext()` Obtains a next group from the list.
`void` | `put(IFieldGroup aGroup)` Adds filed group to list.
`int` | `size()` Obtains number of filed group within group.

Method Detail

### getFirst

    IFieldGroup getFirst()

  Obtains a first group from the list.

  Returns:
    `null` when no group within the list

### getNext

    IFieldGroup getNext()

  Obtains a next group from the list.

  Returns:
    `null` when no group within the list

### put

    void put(IFieldGroup aGroup)

  Adds filed group to list.

  Parameters:
    `aGroup` - new field group to add

### size

    int size()

  Obtains number of filed group within group.

  Returns:
    `0` when no group present

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