TrimFunction (DataNucleus Core 6.0.1-SNAPSHOT API)

java.lang.Object
- org.datanucleus.store.query.inmemory.method.TrimFunction

All Implemented Interfaces:

InvocationEvaluator
```
public class TrimFunction
extends Object
implements InvocationEvaluator
```
Evaluator for the function TRIM(strExpr). If the method is TRIM trims both ends. If the method is TRIM_LEADING trims just the start. If the method is TRIM_TRAILING trims just the end. The first parameter of the expression is the string to trim. An optional second parameter is the trim character to trim (default to ' ' if not specified).

Constructor Summary

Constructors
Constructor Description

TrimFunction()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`Object`	`evaluate(InvokeExpression expr, Object invokedValue, InMemoryExpressionEvaluator eval)`	Method to evaluate the InvokeExpression, as part of the overall evaluation defined by the InMemoryExpressionEvaluator.

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

- Constructor Detail
  - TrimFunction
```
public TrimFunction()
```
- Method Detail
  - evaluate
```
public Object evaluate(InvokeExpression expr,
                       Object invokedValue,
                       InMemoryExpressionEvaluator eval)
```
    Description copied from interface: InvocationEvaluator
    
    Method to evaluate the InvokeExpression, as part of the overall evaluation defined by the InMemoryExpressionEvaluator.
    
    Specified by:
    
    evaluate in interface InvocationEvaluator
    
    Parameters:
    
    expr - The expression for invocation
    
    invokedValue - Value on which we are invoking
    
    eval - The overall evaluator for in-memory
    
    Returns:
    
    The result