RAExpressionAttributeOccurrences (ontop-rdb 4.3.0-SNAPSHOT API)

java.lang.Object
- it.unibz.inf.ontop.spec.sqlparser.RAExpressionAttributeOccurrences

public class RAExpressionAttributeOccurrences
extends Object

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`it.unibz.inf.ontop.com.google.common.collect.ImmutableSet<RelationID>`	`get(QuotedID id)`
`it.unibz.inf.ontop.com.google.common.collect.ImmutableSet<QuotedID>`	`getAttributes()`
`boolean`	`isAbsent(QuotedID attribute)`	checks if there is an occurrence of the non-qualified attribute
`boolean`	`isAmbiguous(QuotedID attribute)`	checks if occurrence of the non-qualified attribute are ambiguous (at least two relations contain the attribute)
`boolean`	`isUnique(QuotedID attribute)`	checks if occurrence of the non-qualified attribute is unique (exactly one relation contains the attribute)
`String`	`toString()`

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

- Method Detail
  - isAbsent
```
public boolean isAbsent(QuotedID attribute)
```
    checks if there is an occurrence of the non-qualified attribute
    
    Parameters:
    
    attribute - a QuotedID
    
    Returns:
    
    true if contains the attribute; otherwise false
  - isAmbiguous
```
public boolean isAmbiguous(QuotedID attribute)
```
    checks if occurrence of the non-qualified attribute are ambiguous (at least two relations contain the attribute)
    
    Parameters:
    
    attribute - a QuotedID
    
    Returns:
    
    true if the attribute is ambiguous; otherwise false
  - isUnique
```
public boolean isUnique(QuotedID attribute)
```
    checks if occurrence of the non-qualified attribute is unique (exactly one relation contains the attribute)
    
    Parameters:
    
    attribute - a QuotedID
    
    Returns:
    
    true if the attribute is unique; otherwise false
  - getAttributes
```
public it.unibz.inf.ontop.com.google.common.collect.ImmutableSet<QuotedID> getAttributes()
```
  - get
```
public it.unibz.inf.ontop.com.google.common.collect.ImmutableSet<RelationID> get(QuotedID id)
```
  - toString
```
public String toString()
```
    Overrides:
    
    toString in class Object