IFluentPath (HAPI FHIR - Core Library 4.2.0 API)

```
public interface IFluentPath
```

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`<T extends IBase> List<T>`	`evaluate(IBase theInput, String thePath, Class<T> theReturnType)`	Apply the given FluentPath expression against the given input and return all results in a list
`<T extends IBase> Optional<T>`	`evaluateFirst(IBase theInput, String thePath, Class<T> theReturnType)`	Apply the given FluentPath expression against the given input and return the first match (if any)
`void`	`parse(String theExpression)`	Parses the expression and throws an exception if it can not parse correctly

- Method Detail
  - evaluate
```
<T extends IBase> List<T> evaluate(IBase theInput,
                                   String thePath,
                                   Class<T> theReturnType)
```
    Apply the given FluentPath expression against the given input and return all results in a list
    
    Parameters:
    
    theInput - The input object (generally a resource or datatype)
    
    thePath - The fluent path expression
    
    theReturnType - The type to return (in order to avoid casting)
  - evaluateFirst
```
<T extends IBase> Optional<T> evaluateFirst(IBase theInput,
                                            String thePath,
                                            Class<T> theReturnType)
```
    Apply the given FluentPath expression against the given input and return the first match (if any)
    
    Parameters:
    
    theInput - The input object (generally a resource or datatype)
    
    thePath - The fluent path expression
    
    theReturnType - The type to return (in order to avoid casting)
  - parse
```
void parse(String theExpression)
    throws Exception
```
    Parses the expression and throws an exception if it can not parse correctly
    
    Throws:
    
    Exception