TemplateEngine.ExpressionBuilder

java.lang.Object
- org.apache.commons.jexl3.internal.TemplateEngine.ExpressionBuilder

Enclosing class:

TemplateEngine
```
static final class TemplateEngine.ExpressionBuilder
extends java.lang.Object
```
A helper class to build expressions. Keeps count of sub-expressions by type.

Field Summary

Fields
Modifier and Type	Field	Description
`private int[]`	`counts`	Per TemplateExpression type counters.
`private java.util.List<TemplateEngine.TemplateExpression>`	`expressions`	The list of expressions.

Constructor Summary

Constructors
Constructor Description

ExpressionBuilder(int size)
Creates a builder.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`(package private) void`	`add(TemplateEngine.TemplateExpression expr)`	Adds an TemplateExpression to the list of expressions, maintain per-type counts.
`(package private) TemplateEngine.TemplateExpression`	`build(TemplateEngine el, TemplateEngine.TemplateExpression source)`	Builds a TemplateExpression from a source, performs checks.
`java.lang.String`	`toString()`
`(package private) java.lang.StringBuilder`	`toString(java.lang.StringBuilder error)`	Base for to-string.

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

- Field Detail
  - counts
```
private final int[] counts
```
    Per TemplateExpression type counters.
  - expressions
```
private final java.util.List<TemplateEngine.TemplateExpression> expressions
```
    The list of expressions.
- Constructor Detail
  - ExpressionBuilder
```
ExpressionBuilder(int size)
```
    Creates a builder.
    
    Parameters:
    
    size - the initial TemplateExpression array size
- Method Detail
  - add
```
void add(TemplateEngine.TemplateExpression expr)
```
    Adds an TemplateExpression to the list of expressions, maintain per-type counts.
    
    Parameters:
    
    expr - the TemplateExpression to add
  - build
```
TemplateEngine.TemplateExpression build(TemplateEngine el,
                                        TemplateEngine.TemplateExpression source)
```
    Builds a TemplateExpression from a source, performs checks.
    
    Parameters:
    
    el - the unified el instance
    
    source - the source TemplateExpression
    
    Returns:
    
    an TemplateExpression
  - toString
```
public java.lang.String toString()
```
    Overrides:
    
    toString in class java.lang.Object
  - toString
```
java.lang.StringBuilder toString(java.lang.StringBuilder error)
```
    Base for to-string.
    
    Parameters:
    
    error - the builder to fill
    
    Returns:
    
    the builder