[POLICY-72] replace openecomp for drools-pdp

Change-Id: I8aa8e32d3ba10f7c655b50e97aaf6865514d4777
Signed-off-by: Guo Ruijing <ruijing.guo@intel.com>

6 files changed, 0 insertions, 766 deletions

diff --git a/policy-utils/src/main/java/org/openecomp/policy/drools/utils/OrderedService.java b/policy-utils/src/main/java/org/openecomp/policy/drools/utils/OrderedService.java
deleted file mode 100644
index 0851413c..00000000
--- a/policy-utils/src/main/java/org/openecomp/policy/drools/utils/OrderedService.java
+++ /dev/null
@@ -1,41 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- * policy-utils
- * ================================================================================
- * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- * 
- *      http://www.apache.org/licenses/LICENSE-2.0
- * 
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * ============LICENSE_END=========================================================
- */
-
-package org.openecomp.policy.drools.utils;
-
-/**
- * This is a base interface that is used to control the order of a list
- * of services (features) discovered via 'ServiceLoader'. See
- * 'OrderedServiceImpl' for more details.
- */
-public interface OrderedService
-{
-  /**
-   * @return an integer sequence number, which determines the order of a list
-   *	of objects implementing this interface
-   */
-  public int getSequenceNumber();
-  
-  
-  /**
-   * @return the name of the ordered service
-   */
-  public default String getName() {return this.getClass().getName();}
-}
diff --git a/policy-utils/src/main/java/org/openecomp/policy/drools/utils/OrderedServiceImpl.java b/policy-utils/src/main/java/org/openecomp/policy/drools/utils/OrderedServiceImpl.java
deleted file mode 100644
index 72bf7b8b..00000000
--- a/policy-utils/src/main/java/org/openecomp/policy/drools/utils/OrderedServiceImpl.java
+++ /dev/null
@@ -1,156 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- * policy-utils
- * ================================================================================
- * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- * 
- *      http://www.apache.org/licenses/LICENSE-2.0
- * 
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * ============LICENSE_END=========================================================
- */
-
-package org.openecomp.policy.drools.utils;
-
-import java.util.Collections;
-import java.util.Comparator;
-import java.util.HashMap;
-import java.util.LinkedList;
-import java.util.List;
-import java.util.ServiceLoader;
-
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-/**
- * This class is a template for building a sorted list of service instances,
- * which are discovered and created using 'ServiceLoader'. 
- */
-public class OrderedServiceImpl<T extends OrderedService>
-{
-  // logger
-  private static Logger  logger = LoggerFactory.getLogger(OrderedServiceImpl.class); 
-  
-  // sorted list of instances implementing the service
-  private List<T> implementers = null;
-
-  // 'ServiceLoader' that is used to discover and create the services
-  private ServiceLoader<T> serviceLoader = null; //ServiceLoader.load(T.class);
-
-  /**
-   * Constructor - create the 'ServiceLoader' instance
-   *
-   * @param clazz the class object associated with 'T' (I supposed it could
-   *	be a subclass, but I'm not sure this is useful)
-   */
-  public OrderedServiceImpl(Class<T> clazz)
-  {
-	// This constructor wouldn't be needed if 'T.class' was legal
-	serviceLoader = ServiceLoader.load(clazz);
-  }
-
-  /**
-   * @return the sorted list of services implementing interface 'T' discovered
-   *	by 'ServiceLoader'.
-   */
-  public synchronized List<T> getList()
-  {
-	if (implementers == null)
-	  {
-		rebuildList();
-	  }
-	return(implementers);
-  }
-
-  /**
-   * This method is called by 'getList', but could also be called directly if
-   * we were running with a 'ClassLoader' that supported the dynamic addition
-   * of JAR files. In this case, it could be invoked in order to discover any
-   * new services implementing interface 'T'. This is probably a relatively
-   * expensive operation in terms of CPU and elapsed time, so it is best if it
-   * isn't invoked too frequently.
-   *
-   * @return the sorted list of services implementing interface 'T' discovered
-   *	by 'ServiceLoader'.
-   */
-  @SuppressWarnings("unchecked")
-  public synchronized List<T> rebuildList()
-  {
-	// build a list of all of the current implementors
-	List<T> tmp = new LinkedList<T>();
-	for (T service : serviceLoader)
-	  {
-		tmp.add((T)getSingleton(service));
-	  }
-
-	// Sort the list according to sequence number, and then alphabetically
-	// according to full class name.
-	Collections.sort(tmp, new Comparator<T>()
-					 {
-					   public int compare(T o1, T o2)
-						 {
-						   int s1 = o1.getSequenceNumber();
-						   int s2 = o2.getSequenceNumber();
-						   int rval;
-						   if (s1 < s2)
-							 {
-							   rval = -1;
-							 }
-						   else if (s1 > s2)
-							 {
-							   rval = 1;
-							 }
-						   else
-							 {
-							   rval = o1.getClass().getName().compareTo
-								 (o2.getClass().getName());
-							 }
-						   return(rval);
-						 }
-					 });
-
-	// create an unmodifiable version of this list
-	implementers = Collections.unmodifiableList(tmp);
-	logger.info("***** OrderedServiceImpl implementers:\n {}", implementers);
-	return(implementers);
-  }
-
-  // use this to ensure that we only use one unique instance of each class
-  @SuppressWarnings("rawtypes")
-  static private HashMap<Class,OrderedService> classToSingleton =
-	new HashMap<>();
-
-  /**
-   * If a service implements multiple APIs managed by 'ServiceLoader', a
-   * separate instance is created for each API. This method ensures that
-   * the first instance is used in all of the lists.
-   *
-   * @param service this is the object created by ServiceLoader
-   * @return the object to use in place of 'service'. If 'service' is the first
-   *	object of this class created by ServiceLoader, it is returned. If not,
-   *	the object of this class that was initially created is returned
-   *	instead.
-   */
-  static private synchronized OrderedService
-	getSingleton(OrderedService service)
-  {
-	// see if we already have an instance of this class
-	OrderedService rval = classToSingleton.get(service.getClass());
-	if (rval == null)
-	  {
-		// No previous instance of this class exists -- use the supplied
-		// instance, and place it in the table.
-		rval = service;
-		classToSingleton.put(service.getClass(), service);
-	  }
-	return(rval);
-  }
-}
diff --git a/policy-utils/src/main/java/org/openecomp/policy/drools/utils/Pair.java b/policy-utils/src/main/java/org/openecomp/policy/drools/utils/Pair.java
deleted file mode 100644
index a5e34695..00000000
--- a/policy-utils/src/main/java/org/openecomp/policy/drools/utils/Pair.java
+++ /dev/null
@@ -1,51 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- * policy-utils
- * ================================================================================
- * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- * 
- *      http://www.apache.org/licenses/LICENSE-2.0
- * 
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * ============LICENSE_END=========================================================
- */
-
-package org.openecomp.policy.drools.utils;
-
-public class Pair<F,S> {
-	
-    protected F first;
-    protected S second;
-    
-	public Pair(F first, S second){
-        this.first = first;
-        this.second = second;
-    }
-	
-    public F first() {return this.first;}
-    
-    public S second() {return this.second;}
-    
-    public F getFirst() {return this.first;}
-
-	public S getSecond() {return this.second;}
-    
-    public void first(F first) {this.first = first;}
-    
-    public void second(S second) {this.second = second;}
-    
-	@Override
-	public String toString() {
-		StringBuilder builder = new StringBuilder();
-		builder.append("Pair [first=").append(first).append(", second=").append(second).append("]");
-		return builder.toString();
-	}
-}
diff --git a/policy-utils/src/main/java/org/openecomp/policy/drools/utils/PropertyUtil.java b/policy-utils/src/main/java/org/openecomp/policy/drools/utils/PropertyUtil.java
deleted file mode 100644
index 1e8dc267..00000000
--- a/policy-utils/src/main/java/org/openecomp/policy/drools/utils/PropertyUtil.java
+++ /dev/null
@@ -1,385 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- * policy-utils
- * ================================================================================
- * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- * 
- *      http://www.apache.org/licenses/LICENSE-2.0
- * 
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * ============LICENSE_END=========================================================
- */
-
-package org.openecomp.policy.drools.utils;
-
-import java.io.File;
-import java.io.FileInputStream;
-import java.io.IOException;
-import java.util.HashMap;
-import java.util.HashSet;
-import java.util.LinkedList;
-import java.util.Properties;
-import java.util.Set;
-import java.util.Timer;
-import java.util.TimerTask;
-
-/**
- * This class provides utilities to read properties from a properties
- * file, and optionally get notifications of future changes
- */
-public class PropertyUtil
-{
-  /**
-   * Read in a properties file
-   * @param file the properties file
-   * @return a Properties object, containing the associated properties
-   * @throws IOException - subclass 'FileNotFoundException' if the file
-   *	does not exist or can't be opened, and 'IOException' if there is
-   *	a problem loading the properties file.
-   */
-  static public Properties getProperties(File file) throws IOException
-  {
-	// create an InputStream (may throw a FileNotFoundException)
-	FileInputStream fis = new FileInputStream(file);
-	try
-	  {
-		// create the properties instance
-		Properties rval = new Properties();
-
-		// load properties (may throw an IOException)
-		rval.load(fis);
-		return(rval);
-	  }
-	finally
-	  {
-		// close input stream
-		fis.close();
-	  }
-  }
-
-  /**
-   * Read in a properties file
-   * @param fileName the properties file
-   * @return a Properties object, containing the associated properties
-   * @throws IOException - subclass 'FileNotFoundException' if the file
-   *	does not exist or can't be opened, and 'IOException' if there is
-   *	a problem loading the properties file.
-   */
-  static public Properties getProperties(String fileName) throws IOException
-  {
-	return(getProperties(new File(fileName)));
-  }
-
-  /* ============================================================ */
-
-  // timer thread used for polling for property file changes
-  private static Timer timer = null;
-
-  /**
-   * This is the callback interface, used for sending notifications of
-   * changes in the properties file.
-   */
-  public interface Listener
-  {
-	/**
-	 * Notification of a properties file change
-	 * @param properties the new properties
-	 * @param the set of property names that have changed, including
-	 *		additions and removals
-	 */
-	void propertiesChanged(Properties properties, Set<String> changedKeys);
-  }
-
-  // this table maps canonical file into a 'ListenerRegistration' instance
-  static private HashMap<File, ListenerRegistration> registrations =
-	new HashMap<File, ListenerRegistration>();
-
-  /**
-   * This is an internal class - one instance of this exists for each
-   * property file that is being monitored. Note that multiple listeners
-   * can be registered for the same file.
-   */
-  private static class ListenerRegistration
-  {
-	// the canonical path of the file being monitored
-	File file;
-
-	// the most recent value of 'file.lastModified()'
-	long lastModified;
-
-	// the most recent set of properties
-	Properties properties;
-
-	// the set of listeners monitoring this file
-	LinkedList<Listener> listeners;
-
-	// the 'TimerTask' instance, used for periodic polling
-	TimerTask timerTask;
-
-	/**
-	 * Constructor - create a 'ListenerRegistration' instance for this
-	 * file, but with no listeners
-	 */
-	ListenerRegistration(File file) throws IOException
-	{
-	  this.file = file;
-
-	  // The initial value of 'lastModified' is set to 0 to ensure that we
-	  // correctly handle the case where the file is modified within the
-	  // same second that polling begins.
-	  lastModified = 0;
-
-	  // fetch current properties
-	  properties = getProperties(file);
-
-	  // no listeners yet
-	  listeners = new LinkedList<Listener>();
-
-	  // add to static table, so this instance can be shared
-	  registrations.put(file, this);
-
-	  if (timer == null)
-		{
-		  // still need to create a timer thread
-		  synchronized(PropertyUtil.class)
-			{
-			  // an additional check is added inside the 'synchronized' block,
-			  // just in case someone beat us to it
-			  if (timer == null)
-				{
-				  timer = new Timer("PropertyUtil-Timer", true);
-				}
-			}
-		}
-
-	  // create and schedule the timer task, so this is periodically polled
-	  timerTask = new TimerTask()
-		{
-		  public void run()
-		  {
-			try
-			  {
-				poll();
-			  }
-			catch (Exception e)
-			  {
-				System.err.println(e);
-			  }
-		  }
-		};
-	  timer.schedule(timerTask, 10000L, 10000L);
-	}
-
-	/**
-	 * Add a listener to the notification list
-	 * @param listener this is the listener to add to the list
-	 * @return the properties at the moment the listener was added to the list
-	 */
-	synchronized Properties addListener(Listener listener)
-	{
-	  listeners.add(listener);
-	  return((Properties)properties.clone());
-	}
-
-	/**
-	 * Remove a listener from the notification list
-	 * @param listener this is the listener to remove
-	 */
-	synchronized void removeListener(Listener listener)
-	{
-	  listeners.remove(listener);
-
-	  // See if we need to remove this 'ListenerRegistration' instance
-	  // from the table. The 'synchronized' block is needed in case
-	  // another listener is being added at about the same time that this
-	  // one is being removed.
-	  synchronized(registrations)
-		{
-		  if (listeners.size() == 0)
-			{
-			  timerTask.cancel();
-			  registrations.remove(file);
-			}
-		}
-	}
-
-	/**
-	 * This method is periodically called to check for property list updates
-	 * @throws IOException if there is an error in reading the properties file
-	 */
-	synchronized void poll() throws IOException
-	{
-	  long timestamp = file.lastModified();
-	  if (timestamp != lastModified)
-		{
-		  // update the record, and send out the notifications
-		  lastModified = timestamp;
-
-		  // Save old set, and initial set of changed properties.
-		  Properties oldProperties = properties;
-		  HashSet<String> changedProperties =
-			new HashSet<String>(oldProperties.stringPropertyNames());
-
-		  // Fetch the list of listeners that we will potentially notify,
-		  // and the new properties. Note that this is in a 'synchronized'
-		  // block to ensure that all listeners receiving notifications
-		  // actually have a newer list of properties than the one
-		  // returned on the initial 'getProperties' call.
-		  properties = getProperties(file);
-		  
-		  Set<String> newPropertyNames = properties.stringPropertyNames();
-		  changedProperties.addAll(newPropertyNames);
-
-		  // At this point, 'changedProperties' is the union of all properties
-		  // in both the old and new properties files. Iterate through all
-		  // of the entries in the new properties file - if the entry
-		  // matches the one in the old file, remove it from
-		  // 'changedProperties'.
-		  for (String name : newPropertyNames)
-			{
-			  if (properties.getProperty(name).equals
-				  (oldProperties.getProperty(name)))
-				{
-				  // Apparently, any property that exists must be of type
-				  // 'String', and can't be null. For this reason, we don't
-				  // need to worry about the case where
-				  // 'properties.getProperty(name)' returns 'null'. Note that
-				  // 'oldProperties.getProperty(name)' may be 'null' if the
-				  // old property does not exist.
-				  changedProperties.remove(name);
-				}
-			}
-
-		  // 'changedProperties' should be correct at this point
-		  if (changedProperties.size() != 0)
-			{
-			  // there were changes - notify everyone in 'listeners'
-			  for (final Listener notify : listeners)
-				{
-				  // Copy 'properties' and 'changedProperties', so it doesn't
-				  // cause problems if the recipient makes changes.
-				  final Properties tmpProperties =
-					(Properties)(properties.clone());
-				  final HashSet<String> tmpChangedProperties =
-					new HashSet<String>(changedProperties);
-
-				  // Do the notification in a separate thread, so blocking
-				  // won't cause any problems.
-				  new Thread()
-				  {
-					public void run()
-					{
-					  notify.propertiesChanged
-						(tmpProperties, tmpChangedProperties);
-					}
-				  }.start();
-				}
-			}
-		}
-	}
-  }
-
-  /**
-   * Read in a properties file, and register for update notifications.
-   * NOTE: it is possible that the first callback will occur while this
-   * method is still in progress. To avoid this problem, use 'synchronized'
-   * blocks around this invocation and in the callback -- that will ensure
-   * that the processing of the initial properties complete before any
-   * updates are processed.
-   *
-   * @param file the properties file
-   * @param notify if not null, this is a callback interface that is used for
-   *	notifications of changes
-   * @return a Properties object, containing the associated properties
-   * @throws IOException - subclass 'FileNotFoundException' if the file
-   *	does not exist or can't be opened, and 'IOException' if there is
-   *	a problem loading the properties file.
-   */
-  static public Properties getProperties(File file, Listener listener)
-	throws IOException
-  {
-	if (listener == null)
-	  {
-		// no listener specified -- just fetch the properties
-		return(getProperties(file));
-	  }
-
-	// Convert the file to a canonical form in order to avoid the situation
-	// where different names refer to the same file.
-	file = file.getCanonicalFile();
-
-	// See if there is an existing registration. The 'synchronized' block
-	// is needed to handle the case where a new listener is added at about
-	// the same time that another one is being removed.
-	synchronized(registrations)
-	  {
-		ListenerRegistration reg = registrations.get(file);
-		if (reg == null)
-		  {
-			// a new registration is needed
-			reg = new ListenerRegistration(file);
-		  }
-		return(reg.addListener(listener));
-	  }
-  }
-
-  /**
-   * Read in a properties file, and register for update notifications.
-   * NOTE: it is possible that the first callback will occur while this
-   * method is still in progress. To avoid this problem, use 'synchronized'
-   * blocks around this invocation and in the callback -- that will ensure
-   * that the processing of the initial properties complete before any
-   * updates are processed.
-   *
-   * @param fileName the properties file
-   * @param notify if not null, this is a callback interface that is used for
-   *	notifications of changes
-   * @return a Properties object, containing the associated properties
-   * @throws IOException - subclass 'FileNotFoundException' if the file
-   *	does not exist or can't be opened, and 'IOException' if there is
-   *	a problem loading the properties file.
-   */
-  static public Properties getProperties(String fileName, Listener listener)
-	throws IOException
-  {
-	return(getProperties(new File(fileName), listener));
-  }
-
-  /**
-   * Stop listenening for updates
-   * @param file the properties file
-   * @param notify if not null, this is a callback interface that was used for
-   *	notifications of changes
-   */
-  static public void stopListening(File file, Listener listener)
-  {
-	if (listener != null)
-	  {
-		ListenerRegistration reg = registrations.get(file);
-		if (reg != null)
-		  {
-			reg.removeListener(listener);
-		  }
-	  }
-  }
-
-  /**
-   * Stop listenening for updates
-   * @param fileName the properties file
-   * @param notify if not null, this is a callback interface that was used for
-   *	notifications of changes
-   */
-  static public void stopListening(String fileName, Listener listener)
-  {
-	stopListening(new File(fileName), listener);
-  }
-
-}
diff --git a/policy-utils/src/main/java/org/openecomp/policy/drools/utils/ReflectionUtil.java b/policy-utils/src/main/java/org/openecomp/policy/drools/utils/ReflectionUtil.java
deleted file mode 100644
index 0d82e847..00000000
--- a/policy-utils/src/main/java/org/openecomp/policy/drools/utils/ReflectionUtil.java
+++ /dev/null
@@ -1,88 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- * policy-utils
- * ================================================================================
- * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- * 
- *      http://www.apache.org/licenses/LICENSE-2.0
- * 
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * ============LICENSE_END=========================================================
- */
-
-/**
- * 
- */
-package org.openecomp.policy.drools.utils;
-
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-/**
- * Reflection utilities
- *
- */
-public class ReflectionUtil {
-	
-	protected final static Logger logger = LoggerFactory.getLogger(ReflectionUtil.class);
-	
-	/**
-	 * returns (if exists) a class fetched from a given classloader
-	 * 
-	 * @param classLoader the class loader
-	 * @param className the class name
-	 * @return the actual class
-	 * @throws IllegalArgumentException if an invalid parameter has been passed in
-	 */
-	public static Class<?> fetchClass(ClassLoader classLoader, 
-			                          String className) 
-		throws IllegalArgumentException {
-		if (classLoader == null)
-			throw new IllegalArgumentException("A class loader must be provided");
-		
-		if (className == null)
-			throw new IllegalArgumentException("A class name to be fetched in class loader " +
-		                                       classLoader + " must be provided");
-		
-		try {
-			Class<?> aClass = Class.forName(className, 
-					                        true, 
-					                        classLoader);
-			return aClass;
-		} catch (Exception e) {
-			logger.error("FETCHED-CLASS {} IN {} does NOT EXIST", className, classLoader);
-		}
-		
-		return null;
-	}
-	
-	/**
-	 * 
-	 * @param classLoader target class loader
-	 * @param classname class name to fetch
-	 * @return true if exists
-	 * @throws IllegalArgumentException if an invalid parameter has been passed in
-	 */
-	public static boolean isClass(ClassLoader classLoader, String classname) 
-           throws IllegalArgumentException {
-		return fetchClass(classLoader, classname) != null;
-	}
-	
-	/**
-	 * is a subclass?
-	 * @param parent superclass
-	 * @param presumedSubclass subclass
-	 * @return
-	 */
-	public static boolean isSubclass(Class<?> parent, Class<?> presumedSubclass) {		
-		return (parent.isAssignableFrom(presumedSubclass));
-	}
-
-}
diff --git a/policy-utils/src/main/java/org/openecomp/policy/drools/utils/Triple.java b/policy-utils/src/main/java/org/openecomp/policy/drools/utils/Triple.java
deleted file mode 100644
index 214d949e..00000000
--- a/policy-utils/src/main/java/org/openecomp/policy/drools/utils/Triple.java
+++ /dev/null
@@ -1,45 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- * policy-utils
- * ================================================================================
- * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- * 
- *      http://www.apache.org/licenses/LICENSE-2.0
- * 
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * ============LICENSE_END=========================================================
- */
-
-package org.openecomp.policy.drools.utils;
-
-public class Triple<F,S,T> {
-	
-    private F first;
-    private S second;
-    private T third;
-    
-    public Triple(F first, S second, T third){
-        this.first = first;
-        this.second = second;
-        this.third = third;
-    }
-    public F first(){ return this.first; }
-    
-    public S second(){ return this.second; }
-    
-    public T third(){ return this.third; }
-    
-    public void first(F first){ this.first = first; }
-    
-    public void second(S second){ this.second = second; }
-    
-    public void third(T third){ this.third = third; }
-}