SolutionSet

java.lang.Object
- br.otimizes.oplatool.core.jmetal4.core.SolutionSet

All Implemented Interfaces:

java.io.Serializable

Direct Known Subclasses:

Archive, NonDominatedSolutionList
```
public class SolutionSet
extends java.lang.Object
implements java.io.Serializable
```
Class representing a SolutionSet (a set of solutions)

See Also:

Serialized Form

Field Summary

Fields
Modifier and Type Field and Description

protected java.util.List<Solution> solutionsList_
Stores a list of solution objects.

Fields
Modifier and Type	Field and Description
`protected java.util.List<Solution>`	`solutionsList_` Stores a list of `solution` objects.

Constructor Summary

Constructors
Constructor and Description

SolutionSet()
Constructor.

SolutionSet(int maximumSize)
Creates a empty solutionSet with a maximum capacity.

Constructors
Constructor and Description
`SolutionSet()` Constructor.
`SolutionSet(int maximumSize)` Creates a empty solutionSet with a maximum capacity.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`boolean`	`add(Solution solution)` Inserts a new solution into the SolutionSet.
`Solution`	`best(java.util.Comparator<Solution> comparator)` Returns the best Solution using a `Comparator`.
`void`	`clear()` Empties the SolutionSet
`Solution`	`get(int i)` Returns the ith solution in the set.
`int`	`getCapacity()`
`int`	`getMaxSize()` Returns the maximum capacity of the solution set
`java.util.List<Solution>`	`getSolutionSet()`
`int`	`indexBest(java.util.Comparator<Solution> comparator)` Returns the index of the best Solution using a `Comparator`.
`int`	`indexWorst(java.util.Comparator<Solution> comparator)` Returns the index of the worst Solution using a `Comparator`.
`java.util.Iterator<Solution>`	`iterator()` Returns an `Iterator` to access to the solution set list.
`void`	`remove(int i)` Deletes the `Solution` at position i in the set.
`void`	`replace(int position, Solution solution)` Replaces a solution by a new one
`void`	`setCapacity(int capacity_)`
`void`	`setSolutionSet(java.util.List<Solution> solutionsList_)`
`int`	`size()` Returns the number of solutions in the SolutionSet.
`void`	`sort(java.util.Comparator<Solution> comparator)` Sorts a SolutionSet using a `Comparator`.
`SolutionSet`	`union(SolutionSet solutionSet)` Returns a new `SolutionSet` which is the result of the union between the current solution set and the one passed as a parameter.
`Solution`	`worst(java.util.Comparator<Solution> comparator)` Returns the worst Solution using a `Comparator`.
`double[][]`	`writeObjectivesToMatrix()` Copies the objectives of the solution set to a matrix

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

- Field Detail
  - solutionsList_
```
protected java.util.List<Solution> solutionsList_
```
    Stores a list of solution objects.
- Constructor Detail
  - SolutionSet
```
public SolutionSet()
```
    Constructor. Creates an unbounded solution set.
  - SolutionSet
```
public SolutionSet(int maximumSize)
```
    Creates a empty solutionSet with a maximum capacity.
    
    Parameters:
    
    maximumSize - Maximum size.
- Method Detail
  - add
```
public boolean add(Solution solution)
```
    Inserts a new solution into the SolutionSet.
    
    Parameters:
    
    solution - The Solution to store
    
    Returns:
    
    True If the Solution has been inserted, false otherwise.
  - getCapacity
```
public int getCapacity()
```
  - setCapacity
```
public void setCapacity(int capacity_)
```
  - get
```
public Solution get(int i)
```
    Returns the ith solution in the set.
    
    Parameters:
    
    i - Position of the solution to obtain.
    
    Returns:
    
    The Solution at the position i.
    
    Throws:
    
    java.lang.IndexOutOfBoundsException
  - getMaxSize
```
public int getMaxSize()
```
    Returns the maximum capacity of the solution set
    
    Returns:
    
    The maximum capacity of the solution set
  - sort
```
public void sort(java.util.Comparator<Solution> comparator)
```
    Sorts a SolutionSet using a Comparator.
    
    Parameters:
    
    comparator - Comparator used to sort.
  - indexBest
```
public int indexBest(java.util.Comparator<Solution> comparator)
```
    Returns the index of the best Solution using a Comparator. If there are more than one occurrences, only the index of the first one is returned
    
    Parameters:
    
    comparator - Comparator used to compare solutions.
    
    Returns:
    
    The index of the best Solution attending to the comparator or -1 if the SolutionSet is empty
  best public Solution best(java.util.Comparator<Solution> comparator) Returns the best Solution using a Comparator. If there are more than one occurrences, only the first one is returned Parameters: comparator - Comparator used to compare solutions. Returns: The best Solution attending to the comparator or null if the SolutionSet is empty indexWorst public int indexWorst(java.util.Comparator<Solution> comparator) Returns the index of the worst Solution using a Comparator. If there are more than one occurrences, only the index of the first one is returned Parameters: comparator - Comparator used to compare solutions. Returns: The index of the worst Solution attending to the comparator or -1 if the SolutionSet is empty worst public Solution worst(java.util.Comparator<Solution> comparator) Returns the worst Solution using a Comparator. If there are more than one occurrences, only the first one is returned Parameters: comparator - Comparator used to compare solutions. Returns: The worst Solution attending to the comparator or null if the SolutionSet is empty size public int size() Returns the number of solutions in the SolutionSet. Returns: The size of the SolutionSet. clear public void clear() Empties the SolutionSet remove public void remove(int i) Deletes the Solution at position i in the set. Parameters: i - The position of the solution to remove. iterator public java.util.Iterator<Solution> iterator() Returns an Iterator to access to the solution set list. Returns: the Iterator. union public SolutionSet union(SolutionSet solutionSet) Returns a new SolutionSet which is the result of the union between the current solution set and the one passed as a parameter. Parameters: solutionSet - SolutionSet to join with the current solutionSet. Returns: The result of the union operation. replace public void replace(int position, Solution solution) Replaces a solution by a new one Parameters: position - The position of the solution to replace solution - The new solution getSolutionSet public java.util.List<Solution> getSolutionSet() setSolutionSet public void setSolutionSet(java.util.List<Solution> solutionsList_) writeObjectivesToMatrix public double[][] writeObjectivesToMatrix() Copies the objectives of the solution set to a matrix Returns: A matrix containing the objectives

Class SolutionSet

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

solutionsList_

Constructor Detail

SolutionSet

SolutionSet

Method Detail

add

getCapacity

setCapacity

get

getMaxSize

sort

indexBest

best

indexWorst

worst

size

clear

remove

iterator

union

replace

getSolutionSet

setSolutionSet

writeObjectivesToMatrix