FalseLiteralExpression (Apache Qpid Broker-J Query Engine Plug-In 9.0.0 API)

java.lang.Object
- org.apache.qpid.server.query.engine.parsing.expression.AbstractExpressionNode<T,R>
- - org.apache.qpid.server.query.engine.parsing.expression.literal.ConstantExpression<T,java.lang.Boolean>
  - - org.apache.qpid.server.query.engine.parsing.expression.literal.FalseLiteralExpression<T>

Type Parameters:

T - Input parameter type

All Implemented Interfaces:

java.util.function.Function<T,java.lang.Boolean>, java.util.function.Predicate<T>, java.util.function.Supplier<java.lang.Boolean>, Expression<T,java.lang.Boolean>, ExpressionNode<T,java.lang.Boolean>
```
public class FalseLiteralExpression<T>
extends ConstantExpression<T,java.lang.Boolean>
implements java.util.function.Predicate<T>
```
Holds a FALSE boolean value.

- Field Summary
  - Fields inherited from class org.apache.qpid.server.query.engine.parsing.expression.AbstractExpressionNode
    _metadata
- Constructor Summary
  
  Constructors
  Constructor Description
  
  FalseLiteralExpression()
  Constructor stores value
- Method Summary
  
  All Methods Instance Methods Concrete Methods
  Modifier and Type Method Description
  
  boolean test(T value)
  Returns FALSE
  - Methods inherited from class org.apache.qpid.server.query.engine.parsing.expression.literal.ConstantExpression
    apply, get, getAlias, of, of, toString
  - Methods inherited from class org.apache.qpid.server.query.engine.parsing.expression.AbstractExpressionNode
    containsAggregation, ctx, evaluateChild, getAggregations, getChild, getChildren, getParent, isAccessor, isInstantlyEvaluable, setAlias, setParent
  - Methods inherited from class java.lang.Object
    clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
  - Methods inherited from interface org.apache.qpid.server.query.engine.parsing.expression.Expression
    andThen
  - Methods inherited from interface java.util.function.Function
    andThen, compose
  - Methods inherited from interface java.util.function.Predicate
    and, negate, or

- Constructor Detail
  - FalseLiteralExpression
```
public FalseLiteralExpression()
```
    Constructor stores value
- Method Detail
  - test
```
public boolean test(T value)
```
    Returns FALSE
    
    Specified by:
    
    test in interface java.util.function.Predicate<T>
    
    Parameters:
    
    value - Object to handle (is ignored)
    
    Returns:
    
    False