Nand (DSpace Kernel :: API and Implementation 7.6.1 API)

java.lang.Object
- org.dspace.content.logic.operator.AbstractOperator
- - org.dspace.content.logic.operator.Nand

All Implemented Interfaces:

LogicalStatement
```
public class Nand
extends AbstractOperator
```
An operator that implements NAND by negating an AND operation

Author:

Kim Shepherd

Constructor Summary

Constructors
Constructor	Description
`Nand()`	Default constructor
`Nand(List<LogicalStatement> statements)`	Constructor that accepts predefined list of statements as defined in item-filters.xml

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`boolean`	`getResult(Context context, Item item)`	Return true if the result of AND'ing all sub-statements is false (ie.

Methods inherited from class org.dspace.content.logic.operator.AbstractOperator
getStatements, setStatements

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

- Constructor Detail
  - Nand
```
public Nand()
```
    Default constructor
  - Nand
```
public Nand(List<LogicalStatement> statements)
```
    Constructor that accepts predefined list of statements as defined in item-filters.xml
    
    Parameters:
    
    statements - List of logical statements
- Method Detail
  - getResult
```
public boolean getResult(Context context,
                         Item item)
                  throws LogicalStatementException
```
    Return true if the result of AND'ing all sub-statements is false (ie. a NOT(AND()) Return false if not
    
    Specified by:
    
    getResult in interface LogicalStatement
    
    Overrides:
    
    getResult in class AbstractOperator
    
    Parameters:
    
    context - DSpace context
    
    item - Item to evaluate
    
    Returns:
    
    boolean result of NAND
    
    Throws:
    
    LogicalStatementException