Occurence (LogFiltering)

java.lang.Object
- org.processmining.logfiltering.algorithms.SPMF.RuleGrowth.Occurence

```
public class Occurence
extends java.lang.Object
```
This class represent the first and last occurences of an itemset in a sequence, as defined in the RuleGrowth algorithm.

Author:

Philippe Fournier-Viger

See Also:

AlgoRULEGROWTH, Sequence, SequenceDatabase

- Field Summary
  
  Fields
  Modifier and Type Field Description
  
  short firstItemset
  the first occurence
  // e.g.
  
  short lastItemset
  the last occurence
- Constructor Summary
  
  Constructors
  Constructor Description
  
  Occurence(short firstItemset, short lastItemset)
  Constructor
- Method Summary
  - Methods inherited from class java.lang.Object
    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - firstItemset
```
public short firstItemset
```
    the first occurence
    // e.g. 1 means that the occurence starts at the second itemset of the sequence
    // 2 means that the occurence starts at the third itemset of the sequence
  - lastItemset
```
public short lastItemset
```
    the last occurence
- Constructor Detail
  - Occurence
```
public Occurence(short firstItemset,
                 short lastItemset)
```
    Constructor
    
    Parameters:
    
    firstItemset - the first occurence
    
    lastItemset - the last occurence