package com.epam.wilma.router.evaluation.helper;
/*==========================================================================
Copyright 2013-2017 EPAM Systems
This file is part of Wilma.
Wilma is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Wilma is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Wilma. If not, see <http://www.gnu.org/licenses/>.
===========================================================================*/
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import com.epam.wilma.common.helper.CurrentDateProvider;
import com.epam.wilma.domain.stubconfig.dialog.DialogDescriptor;
import com.epam.wilma.domain.stubconfig.dialog.DialogDescriptorUsage;
/**
* Provides services for a {@link DialogDescriptor}.
* @author Tunde_Kovacs
*
*/
@Component
public class DialogDescriptorService {
private static final Logger LOGGER = LoggerFactory.getLogger(DialogDescriptorService.class);
@Autowired
private CurrentDateProvider currentDateProvider;
/**
* Decreases the hit count of a dialog descriptor when the
* usage is {@link DialogDescriptorUsage}.HITCOUNT. If the hit count reaches
* zero, the usage will become {@link DialogDescriptorUsage}.DISABLED.
* @param dialogDescriptor the {@link DialogDescriptor} that will be updated
*/
public void decreaseHitcountWhenUsageIsHitcount(final DialogDescriptor dialogDescriptor) {
if (dialogDescriptor.getAttributes().getUsage() == DialogDescriptorUsage.HITCOUNT) {
long validityValue = dialogDescriptor.getAttributes().decreaseHitcount();
LOGGER.debug("Hitcount was decreased to " + validityValue + " in dialog descriptor '" + dialogDescriptor.getAttributes().getName() + "'!");
if (validityValue == 0) {
dialogDescriptor.getAttributes().setUsage(DialogDescriptorUsage.DISABLED);
LOGGER.debug("Dialog descriptor '" + dialogDescriptor.getAttributes().getName() + "' was disabled!");
}
}
}
/**
* Decides if a dialog descriptor is enabled i.e. should be used
* for condition evaluation or not. If its usage was {@link DialogDescriptorUsage}.TIMEOUT and
* it expired, it will change the usage to {@link DialogDescriptorUsage}.DISABLED.
* @param dialogDescriptor dialogDescriptor the {@link DialogDescriptor} that's usage
* is checked
* @return true if it is enabled, false otherwise
*/
public boolean isEnabled(final DialogDescriptor dialogDescriptor) {
boolean result = false;
DialogDescriptorUsage usage = dialogDescriptor.getAttributes().getUsage();
if (usage == DialogDescriptorUsage.DISABLED) {
result = false;
} else {
boolean notTimedOut = isNotTimedOut(dialogDescriptor, usage);
if (!notTimedOut) {
dialogDescriptor.getAttributes().setUsage(DialogDescriptorUsage.DISABLED);
LOGGER.debug("Dialog descriptor '" + dialogDescriptor.getAttributes().getName() + "' was disabled!");
}
result = notTimedOut;
}
return result;
}
private boolean isNotTimedOut(final DialogDescriptor dialogDescriptor, final DialogDescriptorUsage usage) {
boolean result = true;
if (usage == DialogDescriptorUsage.TIMEOUT) {
long timeout = dialogDescriptor.getAttributes().getTimeout();
long currentTimeInMillis = currentDateProvider.getCurrentTimeInMillis();
result = currentTimeInMillis <= timeout;
}
return result;
}
}