Placeholder (container-search 7.268.15 API)

java.lang.Object
- com.yahoo.search.pagetemplates.model.Placeholder

All Implemented Interfaces:

com.yahoo.component.provider.Freezable, PageElement
```
public class Placeholder
extends java.lang.Object
implements PageElement
```
A source placeholder is replaced with a list of source instances at evaluation time. Source placeholders may not have any content themselves - attempting to call any setter on this results in a IllegalStateException.

Author:

bratseth

Constructor Summary

Constructors
Constructor Description

Placeholder(java.lang.String id)
Creates a source placeholder with an id.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`accept(PageTemplateVisitor visitor)`	Accepts a visitor to this structure
`void`	`freeze()`
`java.lang.String`	`getId()`
`MapChoice`	`getValueContainer()`	Returns the element which contains the value(s) of this placeholder.
`boolean`	`isFrozen()`	This method always returns false, is a Placeholder always is mutable.
`void`	`setValueContainer(MapChoice valueContainer)`
`java.lang.String`	`toString()`

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

- Constructor Detail
  - Placeholder
```
public Placeholder(java.lang.String id)
```
    Creates a source placeholder with an id.
- Method Detail
  - getId
```
public java.lang.String getId()
```
  - getValueContainer
```
public MapChoice getValueContainer()
```
    Returns the element which contains the value(s) of this placeholder. Never null.
  - setValueContainer
```
public void setValueContainer(MapChoice valueContainer)
```
  - freeze
```
public void freeze()
```
    Specified by:
    
    freeze in interface com.yahoo.component.provider.Freezable
  - accept
```
public void accept(PageTemplateVisitor visitor)
```
    Accepts a visitor to this structure
    
    Specified by:
    
    accept in interface PageElement
  - toString
```
public java.lang.String toString()
```
    Overrides:
    
    toString in class java.lang.Object
  - isFrozen
```
public boolean isFrozen()
```
    This method always returns false, is a Placeholder always is mutable. (freeze() is a NOOP.)
    
    Specified by:
    
    isFrozen in interface com.yahoo.component.provider.Freezable