gr.uoa.di.madgik.searchlibrary.operatorlibrary.booleancompare
Class BooleanOperator

java.lang.Object
  gr.uoa.di.madgik.searchlibrary.operatorlibrary.booleancompare.BooleanOperator

public class BooleanOperator
extends Object

Author:

UoA

Field Summary

protected static String

RSRecordName Name of the record element in the result set.

Constructor Summary

BooleanOperator()

Method Summary

URI	compareMe(URI[] locators, String expression, StatsContainer stats) Main service method.
URI	compareMe(URI[] locators, String expression, StatsContainer stats, long timeout, TimeUnit timeUnit) Main service method.

Methods inherited from class java.lang.Object

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

Field Detail

RSRecordName

protected static String RSRecordName

Name of the record element in the result set.

Constructor Detail

BooleanOperator

public BooleanOperator()

Method Detail

compareMe

public URI compareMe(URI[] locators,
                     String expression,
                     StatsContainer stats)
              throws Exception

Main service method. Given a hypothesis expression and a set of RS eprs this service decides whether this hypothesis is true or not. It returns a new epr of an RS which only contains <BooleanResult> with boolean value. This version of the method uses the default timeout

Parameters:

eprs - An array of eprs of the services that participate in the hypothesis

expression - hypothesis expression

stats - used to populate statistics

timeout - The timeout which will be used both by the reader and the writer

timeUnit - The time unit of the timeout used

Returns:

RS epr

Throws:

Exception - in case of error

compareMe

public URI compareMe(URI[] locators,
                     String expression,
                     StatsContainer stats,
                     long timeout,
                     TimeUnit timeUnit)
              throws Exception

Main service method. Given a hypothesis expression and a set of RS eprs this service decides whether this hypothesis is true or not. It returns a new epr of an RS which only contains <BooleanResult> with boolean value. This version of the method allows timeout to be configured to the desired value

Parameters:

eprs - An array of eprs of the services that participate in the hypothesis

expression - hypothesis expression

stats - used to populate statistics

timeout - The timeout which will be used both by the reader and the writer

timeUnit - The time unit of the timeout used

Returns:

RS epr

Throws:

Exception - in case of error