LabelStatement (Apache Calcite API)

java.lang.Object
- org.apache.calcite.linq4j.tree.AbstractNode
- - org.apache.calcite.linq4j.tree.Statement
  - - org.apache.calcite.linq4j.tree.LabelStatement

All Implemented Interfaces:

Node
```
public class LabelStatement
extends Statement
```
Represents a label, which can be put in any Expression context. If it is jumped to, it will get the value provided by the corresponding GotoStatement. Otherwise, it receives the value in defaultValue. If the Type equals Void, no value should be provided.

Field Summary

Fields
Modifier and Type Field Description

Expression defaultValue
- Fields inherited from class org.apache.calcite.linq4j.tree.AbstractNode
  nodeType, type

Constructor Summary

Constructors
Constructor Description

LabelStatement(Expression defaultValue, ExpressionType nodeType)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`LabelStatement`	`accept(Shuttle shuttle)`
`<R> R`	`accept(Visitor<R> visitor)`
`boolean`	`equals(Object o)`
`int`	`hashCode()`

Methods inherited from class org.apache.calcite.linq4j.tree.AbstractNode
accept, accept0, evaluate, getNodeType, getType, toString

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

Methods inherited from class org.apache.calcite.linq4j.tree.Statement
accept

Field Detail
- defaultValue
```
public final Expression defaultValue
```

Constructor Detail

LabelStatement

public LabelStatement(Expression defaultValue,
                      ExpressionType nodeType)

Method Detail
- accept
```
public LabelStatement accept(Shuttle shuttle)
```
  Specified by:
  
  accept in interface Node
  
  Specified by:
  
  accept in class Statement
- accept
```
public <R> R accept(Visitor<R> visitor)
```
- equals
```
public boolean equals(Object o)
```
  Overrides:
  
  equals in class AbstractNode
- hashCode
```
public int hashCode()
```
  Overrides:
  
  hashCode in class AbstractNode