MappingConstraintReaderWriter

java.lang.Object
- ptolemy.domains.metroII.kernel.MappingConstraintReaderWriter

```
public class MappingConstraintReaderWriter
extends java.lang.Object
```
MappingConstraintReaderWriter provides methods to read or write mapping constraints from or to a csv file.

Since:

Ptolemy II 11.0

Version:

$Id: MappingConstraintReaderWriter.java 68172 2014-01-22 02:03:40Z glp $

Author:

Liangpeng Guo

Pt.AcceptedRating:

Red (glp)

Pt.ProposedRating:

Red (glp)

Constructor Summary

Constructors
Constructor Description

MappingConstraintReaderWriter()

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static java.util.LinkedList<Pair<java.lang.String,java.lang.String>>`	`readConstraints(java.lang.String buffer)`	Returns a list of mapping constraints.
`static java.lang.String`	`readMappingFile(java.lang.String filename)`	Reads mapping constraints from a file.
`static void`	`writeMappingFile(java.io.File file, java.lang.String content)`	Writes content to mapping file.

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

- Constructor Detail
  - MappingConstraintReaderWriter
```
public MappingConstraintReaderWriter()
```
- Method Detail
  - readMappingFile
```
public static java.lang.String readMappingFile(java.lang.String filename)
                                        throws java.io.IOException
```
    Reads mapping constraints from a file. MappingConstraintSolver
    
    Parameters:
    
    filename - Filename of the mapping constraint file.
    
    Returns:
    
    the constraint file in a string.
    
    Throws:
    
    java.io.IOException - a failed or interrupted I/O operations has occurred.
  - readConstraints
```
public static java.util.LinkedList<Pair<java.lang.String,java.lang.String>> readConstraints(java.lang.String buffer)
```
    Returns a list of mapping constraints.
    
    Parameters:
    
    buffer - constraints in a string.
    
    Returns:
    
    a list of mapping constraints.
  - writeMappingFile
```
public static void writeMappingFile(java.io.File file,
                                    java.lang.String content)
                             throws java.io.IOException
```
    Writes content to mapping file.
    
    Parameters:
    
    file - The mapping file to be written.
    
    content - the content to save to the mapping file.
    
    Throws:
    
    java.io.IOException - If a failed or interrupted I/O operations has occurred.