TreeStore (Camunda Platform Javadocs 7.16.18-ee)

java.lang.Object
- org.camunda.bpm.engine.impl.juel.TreeStore

```
public class TreeStore
extends java.lang.Object
```
Tree store class. A tree store holds a TreeBuilder and a TreeCache, provided at construction time. The get(String) method is then used to serve expression trees.

Author:

Christoph Beck

- Constructor Summary
  
  Constructors
  Constructor Description
  
  TreeStore(TreeBuilder builder, TreeCache cache)
  Constructor.
- Method Summary
  
  All Methods Instance Methods Concrete Methods
  Modifier and Type Method Description
  
  Tree get(java.lang.String expression)
  Get a Tree.
  
  TreeBuilder getBuilder()
  - Methods inherited from class java.lang.Object
    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - TreeStore
```
public TreeStore(TreeBuilder builder,
                 TreeCache cache)
```
    Constructor.
    
    Parameters:
    
    builder - the tree builder
    
    cache - the tree cache (may be null)
- Method Detail
  - getBuilder
```
public TreeBuilder getBuilder()
```
  - get
```
public Tree get(java.lang.String expression)
         throws TreeBuilderException
```
    Get a Tree. If a tree for the given expression is present in the cache, it is taken from there; otherwise, the expression string is parsed and the resulting tree is added to the cache.
    
    Parameters:
    
    expression - expression string
    
    Returns:
    
    expression tree
    
    Throws:
    
    TreeBuilderException