EmptyAstSelect (SonarSource :: Cobol :: Javadoc 4.3.0.3019 API)

java.lang.Object
- org.sonar.sslr.internal.ast.select.EmptyAstSelect

All Implemented Interfaces:

Iterable<AstNode>, AstSelect
```
public class EmptyAstSelect
extends Object
implements AstSelect
```
AstSelect which contains no elements.

Constructor Summary

Constructors
Constructor and Description

EmptyAstSelect()

Constructors
Constructor and Description
`EmptyAstSelect()`

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`AstSelect`	`children()` Returns new selection, which contains children of this selection.
`AstSelect`	`children(AstNodeType... types)` Returns new selection, which contains children of a given types of this selection.
`AstSelect`	`children(AstNodeType type)` Returns new selection, which contains children of a given type of this selection.
`AstSelect`	`descendants(AstNodeType... types)` Returns new selection, which contains descendants of a given types of this selection.
`AstSelect`	`descendants(AstNodeType type)` Returns new selection, which contains descendants of a given type of this selection.
`AstSelect`	`filter(AstNodeType... types)` Returns new selection, which contains elements of this selection that have any one of the given types.
`AstSelect`	`filter(AstNodeType type)` Returns new selection, which contains elements of this selection that have given type.
`AstSelect`	`filter(com.google.common.base.Predicate<AstNode> predicate)` Returns new selection, which contains elements of this selection that satisfy a predicate.
`AstSelect`	`firstAncestor(AstNodeType... types)` Returns new selection, which contains first ancestor of one of the given types for each node from this selection.
`AstSelect`	`firstAncestor(AstNodeType type)` Returns new selection, which contains first ancestor of a given type for each node from this selection.
`AstNode`	`get(int index)` Returns the element at the specified position in this selection.
`boolean`	`isEmpty()` Returns `true` if this selection contains no elements.
`boolean`	`isNotEmpty()` Returns `true` if this selection contains elements.
`Iterator<AstNode>`	`iterator()` Returns an iterator over the elements in this selection.
`AstSelect`	`nextSibling()` Returns new selection, which contains next sibling for each node from this selection.
`AstSelect`	`parent()` Returns new selection, which contains parent for each node from this selection.
`AstSelect`	`previousSibling()` Returns new selection, which contains previous sibling for each node from this selection.
`int`	`size()` Returns the number of elements in this selection.

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

Methods inherited from interface java.lang.Iterable
forEach, spliterator

- Constructor Detail
  - EmptyAstSelect
```
public EmptyAstSelect()
```
- Method Detail
  - children
```
public AstSelect children()
```
    Description copied from interface: AstSelect
    
    Returns new selection, which contains children of this selection.
    
    Specified by:
    
    children in interface AstSelect
  - children
```
public AstSelect children(AstNodeType type)
```
    Description copied from interface: AstSelect
    Returns new selection, which contains children of a given type of this selection.
    In the following case, children("B") would return "B2" and "B3":
```
 A1
  |__ C1
  |    |__ B1
  |__ B2
  |__ B3
 
```
    Specified by:
    
    children in interface AstSelect
  - children
```
public AstSelect children(AstNodeType... types)
```
    Description copied from interface: AstSelect
    
    Returns new selection, which contains children of a given types of this selection.
    
    Specified by:
    
    children in interface AstSelect
    
    See Also:
    
    AstSelect.children(AstNodeType)
  - nextSibling
```
public AstSelect nextSibling()
```
    Description copied from interface: AstSelect
    Returns new selection, which contains next sibling for each node from this selection.
    In the following case, for selection "B1" nextSibling() would return "B2":
```
 A1
  |__ B1
  |    |__ C1
  |__ B2
 
```
    Specified by:
    
    nextSibling in interface AstSelect
  - previousSibling
```
public AstSelect previousSibling()
```
    Description copied from interface: AstSelect
    Returns new selection, which contains previous sibling for each node from this selection.
    In the following case, for selection "B2" previousSibling() would return "B1":
```
 A1
  |__ B1
  |    |__ C1
  |__ B2
 
```
    Specified by:
    
    previousSibling in interface AstSelect
  - parent
```
public AstSelect parent()
```
    Description copied from interface: AstSelect
    
    Returns new selection, which contains parent for each node from this selection.
    
    Specified by:
    
    parent in interface AstSelect
  - firstAncestor
```
public AstSelect firstAncestor(AstNodeType type)
```
    Description copied from interface: AstSelect
    Returns new selection, which contains first ancestor of a given type for each node from this selection.
    In the following case, for selection "B2" firstAncestor("A") would return "A2":
```
 A1
  |__ A2
       |__ B1
       |__ B2
 
```
    Specified by:
    
    firstAncestor in interface AstSelect
  - firstAncestor
```
public AstSelect firstAncestor(AstNodeType... types)
```
    Description copied from interface: AstSelect
    
    Returns new selection, which contains first ancestor of one of the given types for each node from this selection.
    
    Specified by:
    
    firstAncestor in interface AstSelect
    
    See Also:
    
    AstSelect.firstAncestor(AstNodeType)
  - descendants
```
public AstSelect descendants(AstNodeType type)
```
    Description copied from interface: AstSelect
    Returns new selection, which contains descendants of a given type of this selection. Be careful, this method searches among all descendants whatever is their depth, so favor AstSelect.children(AstNodeType) when possible.
    In the following case, getDescendants("B") would return "B1", "B2" and "B3":
```
 A1
  |__ C1
  |    |__ B1
  |__ B2
  |__ D1
  |__ B3
 
```
    Specified by:
    
    descendants in interface AstSelect
  - descendants
```
public AstSelect descendants(AstNodeType... types)
```
    Description copied from interface: AstSelect
    
    Returns new selection, which contains descendants of a given types of this selection.
    
    Specified by:
    
    descendants in interface AstSelect
    
    See Also:
    
    AstSelect.descendants(AstNodeType)
  - isEmpty
```
public boolean isEmpty()
```
    Description copied from interface: AstSelect
    
    Returns true if this selection contains no elements.
    
    Specified by:
    
    isEmpty in interface AstSelect
    
    Returns:
    
    true if this selection contains no elements
  - isNotEmpty
```
public boolean isNotEmpty()
```
    Description copied from interface: AstSelect
    
    Returns true if this selection contains elements.
    
    Specified by:
    
    isNotEmpty in interface AstSelect
    
    Returns:
    
    true if this selection contains elements
  - filter
```
public AstSelect filter(AstNodeType type)
```
    Description copied from interface: AstSelect
    
    Returns new selection, which contains elements of this selection that have given type.
    
    Specified by:
    
    filter in interface AstSelect
  - filter
```
public AstSelect filter(AstNodeType... types)
```
    Description copied from interface: AstSelect
    
    Returns new selection, which contains elements of this selection that have any one of the given types.
    
    Specified by:
    
    filter in interface AstSelect
  - filter
```
public AstSelect filter(com.google.common.base.Predicate<AstNode> predicate)
```
    Description copied from interface: AstSelect
    
    Returns new selection, which contains elements of this selection that satisfy a predicate.
    
    Specified by:
    
    filter in interface AstSelect
  - size
```
public int size()
```
    Description copied from interface: AstSelect
    
    Returns the number of elements in this selection.
    
    Specified by:
    
    size in interface AstSelect
    
    Returns:
    
    the number of elements in this selection
  - get
```
public AstNode get(int index)
```
    Description copied from interface: AstSelect
    
    Returns the element at the specified position in this selection.
    
    Specified by:
    
    get in interface AstSelect
    
    Parameters:
    
    index - index of the element to return
    
    Returns:
    
    the element at the specified position in this selection
  - iterator
```
public Iterator<AstNode> iterator()
```
    Description copied from interface: AstSelect
    
    Returns an iterator over the elements in this selection.
    
    Specified by:
    
    iterator in interface Iterable<AstNode>
    
    Specified by:
    
    iterator in interface AstSelect
    
    Returns:
    
    an iterator over the elements in this selection

Class EmptyAstSelect

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Methods inherited from interface java.lang.Iterable

Constructor Detail

EmptyAstSelect

Method Detail

children

children

children

nextSibling

previousSibling

parent

firstAncestor

firstAncestor

descendants

descendants

isEmpty

isNotEmpty

filter

filter

filter

size

get

iterator