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## org.apache.tools.ant.types.resources
Class LazyResourceCollectionWrapper

    java.lang.Object
      org.apache.tools.ant.ProjectComponent
          org.apache.tools.ant.types.DataType
              org.apache.tools.ant.types.resources.AbstractResourceCollectionWrapper
                  org.apache.tools.ant.types.resources.LazyResourceCollectionWrapper

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

    public class LazyResourceCollectionWrapper

extends AbstractResourceCollectionWrapper

Resource collection which load underlying resource collection only on demand with support for caching

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
`LazyResourceCollectionWrapper()`

Method Summary
`protected java.util.Iterator<Resource>` | `createIterator()` Do create an iterator on the resource collection.
`protected boolean` | `filterResource(Resource r)` Specify if the resource should be filtered or not.
`protected int` | `getSize()` Do compute the size of the resource collection.

Methods inherited from class org.apache.tools.ant.types.resources.AbstractResourceCollectionWrapper
`add, dieOnCircularReference, getResourceCollection, isCache, isFilesystemOnly, iterator, setCache, size, toString`

Methods inherited from class org.apache.tools.ant.types.DataType
`checkAttributesAllowed, checkChildrenAllowed, circularReference, clone, dieOnCircularReference, dieOnCircularReference, 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`

Constructor Detail

### LazyResourceCollectionWrapper

    public LazyResourceCollectionWrapper()

Method Detail

### createIterator

    protected java.util.Iterator<Resource> createIterator()

  Description copied from class: `AbstractResourceCollectionWrapper`
  Do create an iterator on the resource collection. The creation of the iterator is allowed to not be thread safe whereas the iterator itself should. The returned iterator will be wrapped into the FailFast one.

  Specified by:
    `createIterator` in class `AbstractResourceCollectionWrapper`
  Returns:
    the iterator on the resource collection

### getSize

    protected int getSize()

  Description copied from class: `AbstractResourceCollectionWrapper`
  Do compute the size of the resource collection. The implementation of this function is allowed to be not thread safe.

  Specified by:
    `getSize` in class `AbstractResourceCollectionWrapper`
  Returns:
    size of resource collection.

### filterResource

    protected boolean filterResource(Resource r)

  Specify if the resource should be filtered or not. This function should be overrided in order to define the filtering algorithm

  Parameters:
    `r` - resource considered for filtration
  Returns:
    whether the resource should be filtered or not

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