Package org.apache.tools.ant.types.resources

# Class Restrict

java.lang.Object
org.apache.tools.ant.ProjectComponent
org.apache.tools.ant.types.DataType
org.apache.tools.ant.types.resources.selectors.ResourceSelectorContainer
org.apache.tools.ant.types.resources.Restrict

All Implemented Interfaces:
  `java.lang.Cloneable`, `java.lang.Iterable<Resource>`, `ResourceCollection`

    public class Restrict
    extends ResourceSelectorContainer
    implements ResourceCollection

ResourceCollection that allows a number of selectors to be applied to a single ResourceCollection for the purposes of restricting or narrowing results.

Since:
  Ant 1.7

- ## Field Summary

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

  `checked, ref`

  ### Fields inherited from class org.apache.tools.ant.ProjectComponent

  `description, location, project`

- ## Constructor Summary

  Constructors
  Constructor | Description
  --- | ---
  `Restrict()` |

- ## Method Summary

  Modifier and Type | Method | Description
  --- | --- | ---
  `void` | `add​(ResourceCollection c)` | Add the ResourceCollection.
  `void` | `add​(ResourceSelector s)` | Add a ResourceSelector.
  `protected void` | `dieOnCircularReference​(java.util.Stack<java.lang.Object> stk, Project p)` | Overrides the version from DataType to recurse on nested ResourceSelectors.
  `boolean` | `isCache()` | Learn whether to cache collections.
  `boolean` | `isFilesystemOnly()` | Fulfill the ResourceCollection contract.
  `java.util.Iterator<Resource>` | `iterator()` | Fulfill the ResourceCollection contract.
  `void` | `setCache​(boolean b)` | Set whether to cache collections.
  `int` | `size()` | Fulfill the ResourceCollection contract.
  `java.lang.String` | `toString()` | Format this Restrict collection as a String.

  ### Methods inherited from class org.apache.tools.ant.types.resources.selectors.ResourceSelectorContainer

  `getResourceSelectors, getSelectors, hasSelectors, selectorCount`

  ### Methods inherited from class org.apache.tools.ant.types.DataType

  `checkAttributesAllowed, checkChildrenAllowed, circularReference, clone, dieOnCircularReference, dieOnCircularReference, getCheckedRef, getCheckedRef, getCheckedRef, getCheckedRef, getCheckedRef, getDataTypeName, getRefid, invokeCircularReferenceCheck, isChecked, isReference, noChildrenAllowed, pushAndInvokeCircularReferenceCheck, setChecked, setRefid, tooManyAttributes`

  ### Methods inherited from class org.apache.tools.ant.ProjectComponent

  `getDescription, getLocation, getProject, log, log, setDescription, setLocation, setProject`

  ### Methods inherited from class java.lang.Object

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

  ### Methods inherited from interface java.lang.Iterable

  `forEach, spliterator`

  ### Methods inherited from interface org.apache.tools.ant.types.ResourceCollection

  `isEmpty, stream`

- ## Constructor Details

  - ### Restrict

    public Restrict()

- ## Method Details

  - ### add

    public void add​(ResourceCollection c)
    Add the ResourceCollection.
    Parameters:
      `c` - the ResourceCollection to add.

  - ### setCache

    public void setCache​(boolean b)
    Set whether to cache collections.
    Parameters:
      `b` - boolean cache flag.

  - ### isCache

    public boolean isCache()
    Learn whether to cache collections. Default is `true`.
    Returns:
      boolean cache flag.

  - ### add

    public void add​(ResourceSelector s)
    Add a ResourceSelector.
    Overrides:
      `add` in class `ResourceSelectorContainer`
    Parameters:
      `s` - the ResourceSelector to add.

  - ### iterator

    public final java.util.Iterator<Resource> iterator()
    Fulfill the ResourceCollection contract.
    Specified by:
      `iterator` in interface `java.lang.Iterable<Resource>`
    Returns:
      an Iterator of Resources.

  - ### size

    public int size()
    Fulfill the ResourceCollection contract.
    Specified by:
      `size` in interface `ResourceCollection`
    Returns:
      number of elements as int.

  - ### isFilesystemOnly

    public boolean isFilesystemOnly()
    Fulfill the ResourceCollection contract.
    Specified by:
      `isFilesystemOnly` in interface `ResourceCollection`
    Returns:
      whether this is a filesystem-only resource collection.

  - ### toString

    public java.lang.String toString()
    Format this Restrict collection as a String.
    Overrides:
      `toString` in class `DataType`
    Returns:
      the String value of this collection.

  - ### dieOnCircularReference

    protected void dieOnCircularReference​(java.util.Stack<java.lang.Object> stk, Project p)
    Description copied from class: `ResourceSelectorContainer`
    Overrides the version from DataType to recurse on nested ResourceSelectors.
    Overrides:
      `dieOnCircularReference` in class `ResourceSelectorContainer`
    Parameters:
      `stk` - the Stack of references.
      `p` - the Project to resolve against.