DeleteCommand.TupleRemover (NanoDB SQL Relational Database 0.1-SNAPSHOT API)

java.lang.Object
- edu.caltech.nanodb.commands.DeleteCommand.TupleRemover

All Implemented Interfaces:

TupleProcessor

Enclosing class:

DeleteCommand
```
private static class DeleteCommand.TupleRemover
extends java.lang.Object
implements TupleProcessor
```
An implementation of the tuple processor interface used by the DeleteCommand to delete each tuple.

Field Summary

Fields
Modifier and Type	Field	Description
`private EventDispatcher`	`eventDispatcher`	The event dispatcher for firing row-delete events.
`private TableInfo`	`tableInfo`	The table whose tuples will be deleted.
`private TupleFile`	`tupleFile`

Constructor Summary

Constructors
Constructor	Description
`TupleRemover(EventDispatcher eventDispatcher, TableInfo tableInfo)`	Initialize the tuple-remover object with the details it needs to delete tuples from the specified table.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`finish()`	This function is called when all tuples have been produced and passed to the tuple processor.
`void`	`process(Tuple tuple)`	This implementation simply deletes each tuple it is handed.
`void`	`setSchema(Schema schema)`	This tuple-processor implementation doesn't care about the schema.

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

- Field Detail
  - tableInfo
```
private TableInfo tableInfo
```
    The table whose tuples will be deleted.
  - tupleFile
```
private TupleFile tupleFile
```
  - eventDispatcher
```
private EventDispatcher eventDispatcher
```
    The event dispatcher for firing row-delete events.
- Constructor Detail
  - TupleRemover
```
TupleRemover(EventDispatcher eventDispatcher,
             TableInfo tableInfo)
```
    Initialize the tuple-remover object with the details it needs to delete tuples from the specified table.
    
    Parameters:
    
    tableInfo - details of the table that will be modified
- Method Detail
  - setSchema
```
public void setSchema(Schema schema)
```
    This tuple-processor implementation doesn't care about the schema.
    
    Specified by:
    
    setSchema in interface TupleProcessor
  - process
```
public void process(Tuple tuple)
```
    This implementation simply deletes each tuple it is handed.
    
    Specified by:
    
    process in interface TupleProcessor
    
    Parameters:
    
    tuple - The tuple to process.
  - finish
```
public void finish()
```
    Description copied from interface: TupleProcessor
    
    This function is called when all tuples have been produced and passed to the tuple processor.
    
    Specified by:
    
    finish in interface TupleProcessor