[POLICY-11] Fact queries with variables + features

GET/PUT/DELETE operations through REST API.
Report on optional features (modules) attached to the engine.
Added javadoc comments in Healthcheck module.

Change-Id: Ic8d2c06779dda4024e94ad39bb316211522e4e4c
Signed-off-by: Jorge Hernandez <jh1730@att.com>

2 files changed, 78 insertions, 0 deletions

diff --git a/policy-healthcheck/src/main/java/org/openecomp/policy/drools/healthcheck/HealthCheck.java b/policy-healthcheck/src/main/java/org/openecomp/policy/drools/healthcheck/HealthCheck.java
index 2ed2e075..68f9fdb4 100644
--- a/policy-healthcheck/src/main/java/org/openecomp/policy/drools/healthcheck/HealthCheck.java
+++ b/policy-healthcheck/src/main/java/org/openecomp/policy/drools/healthcheck/HealthCheck.java
@@ -11,13 +11,38 @@ import org.openecomp.policy.drools.persistence.SystemPersistence;
 import org.openecomp.policy.drools.properties.Startable;
 import org.openecomp.policy.drools.system.PolicyEngine;
 
+/**
+ * Healthcheck
+ */
 public interface HealthCheck extends Startable {
 	
+	/**
+	 * Healthcheck Report
+	 */
 	public static class Report {
+		/**
+		 * Named Entity in the report
+		 */
 		public String name;
+		
+		/**
+		 * URL queried
+		 */
 		public String url;
+		
+		/**
+		 * healthy?
+		 */
 		public boolean healthy;
+		
+		/**
+		 * return code
+		 */
 		public int code;
+		
+		/**
+		 * Message from remote entity
+		 */
 		public String message;
 		
 		@Override
@@ -38,6 +63,9 @@ public interface HealthCheck extends Startable {
 		}
 	}
 	
+	/**
+	 * Report aggregation
+	 */
 	public static class Reports {
 		public boolean healthy;
 		public ArrayList<Report> details = new ArrayList<>();
@@ -54,17 +82,41 @@ public interface HealthCheck extends Startable {
 		}
 	}
 	
+	/**
+	 * perform a healthcheck
+	 * @return a report
+	 */
 	public Reports healthCheck();
 
+	/**
+	 * Healthcheck Monitor
+	 */
 	public static final HealthCheck monitor = new HealthCheckMonitor();
 }
 
+/**
+ * Healthcheck Monitor
+ */
 class HealthCheckMonitor implements HealthCheck {
 
+	/**
+	 * attached http servers
+	 */
 	protected volatile ArrayList<HttpServletServer> servers = new ArrayList<>();
+	
+	/**
+	 * attached http clients
+	 */
 	protected volatile ArrayList<HttpClient> clients = new ArrayList<>();
+	
+	/**
+	 * healthcheck configuration
+	 */
 	protected volatile Properties healthCheckProperties = null; 
 	
+	/**
+	 * {@inheritDoc}
+	 */
 	public Reports healthCheck() {
 		Reports reports = new Reports();
 		reports.healthy = PolicyEngine.manager.isAlive();
@@ -104,6 +156,9 @@ class HealthCheckMonitor implements HealthCheck {
 		return reports;
 	}
 	
+	/**
+	 * {@inheritDoc}
+	 */
 	@Override
 	public boolean start() throws IllegalStateException {
 		try {
@@ -125,6 +180,9 @@ class HealthCheckMonitor implements HealthCheck {
 		return true;
 	}
 
+	/**
+	 * {@inheritDoc}
+	 */
 	@Override
 	public boolean stop() throws IllegalStateException {
 		for (HttpServletServer server : servers) {
@@ -146,20 +204,32 @@ class HealthCheckMonitor implements HealthCheck {
 		return true;
 	}
 
+	/**
+	 * {@inheritDoc}
+	 */
 	@Override
 	public void shutdown() throws IllegalStateException {
 		this.stop();
 	}
 
+	/**
+	 * {@inheritDoc}
+	 */
 	@Override
 	public synchronized boolean isAlive() {
 		return this.healthCheckProperties != null;
 	}
 	
+	/**
+	 * @return list of attached Http Servers
+	 */
 	public ArrayList<HttpServletServer> getServers() {
 		return this.servers;
 	}
 	
+	/**
+	 * @return list of attached Http Clients
+	 */
 	public ArrayList<HttpClient> getClients() {
 		return this.clients;
 	}
diff --git a/policy-healthcheck/src/main/java/org/openecomp/policy/drools/healthcheck/HealthCheckFeature.java b/policy-healthcheck/src/main/java/org/openecomp/policy/drools/healthcheck/HealthCheckFeature.java
index 321d1e73..1d73614a 100644
--- a/policy-healthcheck/src/main/java/org/openecomp/policy/drools/healthcheck/HealthCheckFeature.java
+++ b/policy-healthcheck/src/main/java/org/openecomp/policy/drools/healthcheck/HealthCheckFeature.java
@@ -156,5 +156,13 @@ public class HealthCheckFeature implements PolicyEngineFeatureAPI {
 	public boolean afterUnlock(PolicyEngine engine) {
 		return false;
 	}
+	
+	/**
+	 * gets the monitor
+	 * @return the healthcheck monitor
+	 */
+	public HealthCheck getMonitor() {
+		return HealthCheck.monitor;
+	}
 
 }