MetadataExpression (Ametys 4.5.x - API)

java.lang.Object
- org.ametys.plugins.repository.query.expression.MetadataExpression

All Implemented Interfaces:

Expression
```
public class MetadataExpression
extends Object
implements Expression
```
Constructs an Expression testing the existence of a metadata.

Nested Class Summary
- Nested classes/interfaces inherited from interface org.ametys.plugins.repository.query.expression.Expression
  Expression.Operator

Constructor Summary

Constructors
Constructor	Description
`MetadataExpression(String metadata)`	Creates the comparison Expression.
`MetadataExpression(String metadata, ExpressionContext context)`	Creates the comparison Expression.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type Method Description

String build()
Build the expression.
- Methods inherited from class java.lang.Object
  clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - MetadataExpression
```
public MetadataExpression(String metadata)
```
    Creates the comparison Expression.
    
    Parameters:
    
    metadata - the metadata name
  - MetadataExpression
```
public MetadataExpression(String metadata,
                          ExpressionContext context)
```
    Creates the comparison Expression.
    
    Parameters:
    
    metadata - the metadata name
    
    context - the context of the expression
- Method Detail
  - build
```
public String build()
```
    Description copied from interface: Expression
    
    Build the expression.
    
    Specified by:
    
    build in interface Expression
    
    Returns:
    
    The XPath view of the expression.