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org.yajre.semantic.java
Class BeanShellFilterCondition  

java.lang.Object
  org.yajre.semantic.java.BeanShellFilterCondition

All Implemented Interfaces:

org.yajre.spi.Condition, org.yajre.spi.FilterCondition

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public final class BeanShellFilterCondition

extends java.lang.Object

implements org.yajre.spi.FilterCondition

org.yajre.spi.FilterCondition using BeanShell for evaluation.

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Field Summary
private  java.lang.String	filterExpr           The BeanShell expression.
private  org.yajre.spi.Declaration[]	requiredTupleMembers           Variables referenced by the expression.

 

Constructor Summary

BeanShellFilterCondition(java.lang.String expr, java.util.Set members)           The expression used to construct this must produce a boolean result, else a NonBooleanExpressionException will be thrown at run-time.

 

Method Summary
java.lang.String	getFilterExpr()           Retrieve the BeanShell filtering expression.
org.yajre.spi.Declaration[]	getRequiredTupleMembers()           Retrieve the array of org.yajre.spi.Declarations required by this condition to perform its duties.
boolean	isAllowed(org.yajre.spi.Tuple tuple, org.yajre.WorkingMemory session)           Determine if the supplied org.yajre.spi.Tuple is allowed by this filter.
java.lang.String	toString()           Convert this Object to a human-readable String.

 

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

 

Field Detail

filterExpr

private java.lang.String filterExpr

The BeanShell expression.

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requiredTupleMembers

private org.yajre.spi.Declaration[] requiredTupleMembers

Variables referenced by the expression.

Constructor Detail

BeanShellFilterCondition

public BeanShellFilterCondition(java.lang.String expr,
                                java.util.Set members)

The expression used to construct this must produce a boolean result, else a NonBooleanExpressionException will be thrown at run-time.

Method Detail

getFilterExpr

public java.lang.String getFilterExpr()

Retrieve the BeanShell filtering expression.

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getRequiredTupleMembers

public org.yajre.spi.Declaration[] getRequiredTupleMembers()

Description copied from interface: org.yajre.spi.Condition

Retrieve the array of org.yajre.spi.Declarations required by this condition to perform its duties.

Specified by:

getRequiredTupleMembers in interface org.yajre.spi.FilterCondition

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isAllowed

public boolean isAllowed(org.yajre.spi.Tuple tuple,
                         org.yajre.WorkingMemory session)
                  throws org.yajre.spi.FilterException

Description copied from interface: org.yajre.spi.FilterCondition

Determine if the supplied org.yajre.spi.Tuple is allowed by this filter.

Specified by:

isAllowed in interface org.yajre.spi.FilterCondition

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toString

public java.lang.String toString()

Description copied from class: java.lang.Object

Convert this Object to a human-readable String. There are no limits placed on how long this String should be or what it should contain. We suggest you make it as intuitive as possible to be able to place it into System.out.println() 55 and such.

It is typical, but not required, to ensure that this method never completes abruptly with a java.lang.RuntimeException.

This method will be called when performing string concatenation with this object. If the result is null, string concatenation will instead use "null".

The default implementation returns getClass().getName() + "@" + Integer.toHexString(hashCode()).

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