add support for neo4j embedded

README.md

@@ -63,10 +63,10 @@ package gov.nist.csd.pm;
 import gov.nist.csd.pm.epp.EPP;
 import gov.nist.csd.pm.impl.memory.pap.MemoryPAP;
 import gov.nist.csd.pm.pap.PAP;
-import gov.nist.csd.pm.pap.exception.PMException;
-import gov.nist.csd.pm.pap.graph.relationship.AccessRightSet;
-import gov.nist.csd.pm.pap.prohibition.ContainerCondition;
-import gov.nist.csd.pm.pap.prohibition.ProhibitionSubject;
+import gov.nist.csd.pm.common.exception.PMException;
+import gov.nist.csd.pm.common.graph.relationship.AccessRightSet;
+import gov.nist.csd.pm.common.prohibition.ContainerCondition;
+import gov.nist.csd.pm.common.prohibition.ProhibitionSubject;
 import gov.nist.csd.pm.pap.query.model.context.UserContext;
 import gov.nist.csd.pm.pap.query.model.context.TargetContext;
 import gov.nist.csd.pm.pdp.PDP;

pom.xml

@@ -7,7 +7,7 @@
     <groupId>gov.nist.csd.pm</groupId>
     <artifactId>policy-machine-core</artifactId>
     <packaging>jar</packaging>
-    <version>3.0.0-alpha.1</version>
+    <version>3.0.0</version>
 
     <build>
         <extensions>
@@ -28,10 +28,10 @@
                     <outputDirectory>${project.build.directory}/generated-sources</outputDirectory>
                     <clearOutputDirectory>false</clearOutputDirectory>
                     <!-- Protobuf Compiler -->
-                    <protocArtifact>com.google.protobuf:protoc:3.24.3:exe:${os.detected.classifier}</protocArtifact>
+                    <protocArtifact>com.google.protobuf:protoc:3.25.5:exe:${os.detected.classifier}</protocArtifact>
                     <!-- gRPC Compiler -->
                     <pluginId>grpc-java</pluginId>
-                    <pluginArtifact>io.grpc:protoc-gen-grpc-java:1.57.0:exe:${os.detected.classifier}</pluginArtifact>
+                    <pluginArtifact>io.grpc:protoc-gen-grpc-java:1.61.1:exe:${os.detected.classifier}</pluginArtifact>
                 </configuration>
                 <executions>
                     <!-- Execution for Message Classes -->
@@ -190,6 +190,11 @@
             <artifactId>commons-lang3</artifactId>
             <version>3.13.0</version>
         </dependency>
+        <dependency>
+            <groupId>commons-codec</groupId>
+            <artifactId>commons-codec</artifactId>
+            <version>1.15</version>
+        </dependency>
         <dependency>
             <groupId>it.unimi.dsi</groupId>
             <artifactId>fastutil</artifactId>
@@ -204,19 +209,25 @@
         <dependency>
             <groupId>io.grpc</groupId>
             <artifactId>grpc-protobuf</artifactId>
-            <version>1.57.0</version>
+            <version>1.61.1</version>
         </dependency>
         <dependency>
             <groupId>io.grpc</groupId>
             <artifactId>grpc-stub</artifactId>
-            <version>1.57.0</version>
+            <version>1.61.1</version>
         </dependency>
         <dependency>
             <groupId>org.apache.tomcat</groupId>
             <artifactId>annotations-api</artifactId>
             <version>6.0.53</version>
             <scope>provided</scope>
         </dependency>
+
+        <dependency>
+            <groupId>org.neo4j</groupId>
+            <artifactId>neo4j</artifactId>
+            <version>5.25.1</version>
+        </dependency>
     </dependencies>
 
     <properties>

src/main/java/gov/nist/csd/pm/pap/obligation/EventContext.java → src/main/java/gov/nist/csd/pm/common/event/EventContext.java

@@ -1,8 +1,7 @@
-package gov.nist.csd.pm.pap.obligation;
+package gov.nist.csd.pm.common.event;
 
-import gov.nist.csd.pm.pap.op.Operation;
+import gov.nist.csd.pm.common.op.Operation;
 
-import java.util.List;
 import java.util.Map;
 import java.util.Objects;
 

src/main/java/gov/nist/csd/pm/epp/EventEmitter.java → src/main/java/gov/nist/csd/pm/common/event/EventPublisher.java

@@ -1,30 +1,29 @@
-package gov.nist.csd.pm.epp;
+package gov.nist.csd.pm.common.event;
 
-import gov.nist.csd.pm.pap.exception.PMException;
-import gov.nist.csd.pm.pap.obligation.EventContext;
+import gov.nist.csd.pm.common.exception.PMException;
 
 /**
  * Interface for emitting events to be processed by an EPP.
  */
-public interface EventEmitter {
+public interface EventPublisher {
 
     /**
      * Add the given EventProcessor as a listener for policy events.
      * @param processor The processor to add as a listener.
      */
-    void addEventListener(EventProcessor processor);
+    void addEventSubscriber(EventSubscriber processor);
 
     /**
      * Remove the given EventProcessor as a listener.
      * @param processor The processor to remove.
      */
-    void removeEventListener(EventProcessor processor);
+    void removeEventSubscriber(EventSubscriber processor);
 
     /**
      * Emit the given event context to any EventProcessors listening.
      * @param event The EventContext to emit.
      * @throws PMException If there is an exception emitting the event.
      */
-    void emitEvent(EventContext event) throws PMException;
+    void publishEvent(EventContext event) throws PMException;
 
 }

src/main/java/gov/nist/csd/pm/common/event/EventSubscriber.java

@@ -0,0 +1,17 @@
+package gov.nist.csd.pm.common.event;
+
+import gov.nist.csd.pm.common.exception.PMException;
+
+/**
+ * Interface for processing EventContexts.
+ */
+public interface EventSubscriber {
+
+    /**
+     * Process the given EventContext.
+     * @param eventCtx The event context to process.
+     * @throws PMException If there is an error processing the EventContext.
+     */
+    void processEvent(EventContext eventCtx) throws PMException;
+
+}

src/main/java/gov/nist/csd/pm/pap/exception/AdminAccessRightExistsException.java → src/main/java/gov/nist/csd/pm/common/exception/AdminAccessRightExistsException.java

@@ -1,4 +1,4 @@
-package gov.nist.csd.pm.pap.exception;
+package gov.nist.csd.pm.common.exception;
 
 public class AdminAccessRightExistsException extends PMException {
     public AdminAccessRightExistsException(String ar) {

src/main/java/gov/nist/csd/pm/pap/exception/AdminPolicyVerificationException.java → src/main/java/gov/nist/csd/pm/common/exception/AdminPolicyVerificationException.java

@@ -1,4 +1,4 @@
-package gov.nist.csd.pm.pap.exception;
+package gov.nist.csd.pm.common.exception;
 
 public class AdminPolicyVerificationException extends PMException {
     public AdminPolicyVerificationException(PMException e) {

src/main/java/gov/nist/csd/pm/pap/exception/AssignmentCausesLoopException.java → src/main/java/gov/nist/csd/pm/common/exception/AssignmentCausesLoopException.java

@@ -1,4 +1,4 @@
-package gov.nist.csd.pm.pap.exception;
+package gov.nist.csd.pm.common.exception;
 
 public class AssignmentCausesLoopException extends PMException {
 

src/main/java/gov/nist/csd/pm/pap/exception/BootstrapExistingPolicyException.java → src/main/java/gov/nist/csd/pm/common/exception/BootstrapExistingPolicyException.java

@@ -1,4 +1,4 @@
-package gov.nist.csd.pm.pap.exception;
+package gov.nist.csd.pm.common.exception;
 
 public class BootstrapExistingPolicyException extends PMException {
     public BootstrapExistingPolicyException() {

src/main/java/gov/nist/csd/pm/pap/exception/CannotDeleteAdminPolicyConfigException.java → src/main/java/gov/nist/csd/pm/common/exception/CannotDeleteAdminPolicyConfigException.java

@@ -1,4 +1,4 @@
-package gov.nist.csd.pm.pap.exception;
+package gov.nist.csd.pm.common.exception;
 
 public class CannotDeleteAdminPolicyConfigException extends PMException {
     public CannotDeleteAdminPolicyConfigException() {

src/main/java/gov/nist/csd/pm/pap/exception/DisconnectedNodeException.java → src/main/java/gov/nist/csd/pm/common/exception/DisconnectedNodeException.java

@@ -1,6 +1,6 @@
-package gov.nist.csd.pm.pap.exception;
+package gov.nist.csd.pm.common.exception;
 
-import gov.nist.csd.pm.pap.graph.node.NodeType;
+import gov.nist.csd.pm.common.graph.node.NodeType;
 
 public class DisconnectedNodeException extends PMException {
     public DisconnectedNodeException(String ascendant, String descendant) {

src/main/java/gov/nist/csd/pm/pap/exception/InvalidProhibitionSubjectException.java → src/main/java/gov/nist/csd/pm/common/exception/InvalidProhibitionSubjectException.java

@@ -1,4 +1,4 @@
-package gov.nist.csd.pm.pap.exception;
+package gov.nist.csd.pm.common.exception;
 
 public class InvalidProhibitionSubjectException extends PMException {
     public InvalidProhibitionSubjectException(String type) {

src/main/java/gov/nist/csd/pm/pap/exception/NodeDoesNotExistException.java → src/main/java/gov/nist/csd/pm/common/exception/NodeDoesNotExistException.java

@@ -1,4 +1,4 @@
-package gov.nist.csd.pm.pap.exception;
+package gov.nist.csd.pm.common.exception;
 
 public class NodeDoesNotExistException extends PMException {
     public NodeDoesNotExistException(String name) {

src/main/java/gov/nist/csd/pm/pap/exception/NodeHasAscendantsException.java → src/main/java/gov/nist/csd/pm/common/exception/NodeHasAscendantsException.java

@@ -1,4 +1,4 @@
-package gov.nist.csd.pm.pap.exception;
+package gov.nist.csd.pm.common.exception;
 
 public class NodeHasAscendantsException extends PMException {
     public NodeHasAscendantsException(String node) {

src/main/java/gov/nist/csd/pm/pap/exception/NodeNameExistsException.java → src/main/java/gov/nist/csd/pm/common/exception/NodeNameExistsException.java

@@ -1,4 +1,4 @@
-package gov.nist.csd.pm.pap.exception;
+package gov.nist.csd.pm.common.exception;
 
 public class NodeNameExistsException extends PMException {
     public NodeNameExistsException(String nodeName) {

src/main/java/gov/nist/csd/pm/pap/exception/NodeReferencedInObligationException.java → src/main/java/gov/nist/csd/pm/common/exception/NodeReferencedInObligationException.java

@@ -1,4 +1,4 @@
-package gov.nist.csd.pm.pap.exception;
+package gov.nist.csd.pm.common.exception;
 
 public class NodeReferencedInObligationException extends PMException {
 

src/main/java/gov/nist/csd/pm/pap/exception/NodeReferencedInProhibitionException.java → src/main/java/gov/nist/csd/pm/common/exception/NodeReferencedInProhibitionException.java

@@ -1,4 +1,4 @@
-package gov.nist.csd.pm.pap.exception;
+package gov.nist.csd.pm.common.exception;
 
 public class NodeReferencedInProhibitionException extends PMException {
     public NodeReferencedInProhibitionException(String nodeToDelete, String prohibitionName) {

src/main/java/gov/nist/csd/pm/pap/exception/NodesAlreadyAssignedException.java → src/main/java/gov/nist/csd/pm/common/exception/NodesAlreadyAssignedException.java

@@ -1,4 +1,4 @@
-package gov.nist.csd.pm.pap.exception;
+package gov.nist.csd.pm.common.exception;
 
 public class NodesAlreadyAssignedException extends PMException {
     public NodesAlreadyAssignedException(String ua, String target) {

src/main/java/gov/nist/csd/pm/pap/exception/ObligationDoesNotExistException.java → src/main/java/gov/nist/csd/pm/common/exception/ObligationDoesNotExistException.java

@@ -1,4 +1,4 @@
-package gov.nist.csd.pm.pap.exception;
+package gov.nist.csd.pm.common.exception;
 
 public class ObligationDoesNotExistException extends PMException {
     public ObligationDoesNotExistException(String name) {

src/main/java/gov/nist/csd/pm/pap/exception/ObligationNameExistsException.java → src/main/java/gov/nist/csd/pm/common/exception/ObligationNameExistsException.java

@@ -1,4 +1,4 @@
-package gov.nist.csd.pm.pap.exception;
+package gov.nist.csd.pm.common.exception;
 
 public class ObligationNameExistsException extends PMException {
     public ObligationNameExistsException(String name) {

src/main/java/gov/nist/csd/pm/pap/exception/ObligationRuleNameExistsException.java → src/main/java/gov/nist/csd/pm/common/exception/ObligationRuleNameExistsException.java

@@ -1,4 +1,4 @@
-package gov.nist.csd.pm.pap.exception;
+package gov.nist.csd.pm.common.exception;
 
 public class ObligationRuleNameExistsException extends PMException {
     public ObligationRuleNameExistsException(String obligationName, String ruleName) {

src/main/java/gov/nist/csd/pm/pap/exception/OperandsDoNotMatchException.java → src/main/java/gov/nist/csd/pm/common/exception/OperandsDoNotMatchException.java

@@ -1,4 +1,4 @@
-package gov.nist.csd.pm.pap.exception;
+package gov.nist.csd.pm.common.exception;
 
 import java.util.Collection;
 

src/main/java/gov/nist/csd/pm/pap/exception/OperationDoesNotExistException.java → src/main/java/gov/nist/csd/pm/common/exception/OperationDoesNotExistException.java

@@ -1,4 +1,4 @@
-package gov.nist.csd.pm.pap.exception;
+package gov.nist.csd.pm.common.exception;
 
 public class OperationDoesNotExistException extends PMException {
     public OperationDoesNotExistException(String op) {

src/main/java/gov/nist/csd/pm/pap/exception/OperationExistsException.java → src/main/java/gov/nist/csd/pm/common/exception/OperationExistsException.java

@@ -1,4 +1,4 @@
-package gov.nist.csd.pm.pap.exception;
+package gov.nist.csd.pm.common.exception;
 
 public class OperationExistsException extends PMException {
     public OperationExistsException(String op) {

src/main/java/gov/nist/csd/pm/pap/exception/PMBackendException.java → src/main/java/gov/nist/csd/pm/common/exception/PMBackendException.java

@@ -1,4 +1,4 @@
-package gov.nist.csd.pm.pap.exception;
+package gov.nist.csd.pm.common.exception;
 
 /**
  * Wrapper for backend related exceptions independent of backend implementation.

src/main/java/gov/nist/csd/pm/pap/exception/PMException.java → src/main/java/gov/nist/csd/pm/common/exception/PMException.java

@@ -1,4 +1,4 @@
-package gov.nist.csd.pm.pap.exception;
+package gov.nist.csd.pm.common.exception;
 
 /**
  * Root exception to cover any possible error in the Policy Machine interfaces. This is to support multiple implementations

src/main/java/gov/nist/csd/pm/pap/exception/PMLConstantAlreadyDefinedException.java → src/main/java/gov/nist/csd/pm/common/exception/PMLConstantAlreadyDefinedException.java

@@ -1,4 +1,4 @@
-package gov.nist.csd.pm.pap.exception;
+package gov.nist.csd.pm.common.exception;
 
 public class PMLConstantAlreadyDefinedException extends PMException {
     public PMLConstantAlreadyDefinedException(String name) {

src/main/java/gov/nist/csd/pm/pap/exception/PMLConstantNotDefinedException.java → src/main/java/gov/nist/csd/pm/common/exception/PMLConstantNotDefinedException.java

@@ -1,4 +1,4 @@
-package gov.nist.csd.pm.pap.exception;
+package gov.nist.csd.pm.common.exception;
 
 public class PMLConstantNotDefinedException extends PMException {
     public PMLConstantNotDefinedException(String c) {

src/main/java/gov/nist/csd/pm/pap/exception/PMLFunctionAlreadyDefinedException.java → src/main/java/gov/nist/csd/pm/common/exception/PMLFunctionAlreadyDefinedException.java

@@ -1,4 +1,4 @@
-package gov.nist.csd.pm.pap.exception;
+package gov.nist.csd.pm.common.exception;
 
 public class PMLFunctionAlreadyDefinedException extends PMException {
     public PMLFunctionAlreadyDefinedException(String functionName) {

src/main/java/gov/nist/csd/pm/pap/exception/PMLFunctionNotDefinedException.java → src/main/java/gov/nist/csd/pm/common/exception/PMLFunctionNotDefinedException.java

@@ -1,4 +1,4 @@
-package gov.nist.csd.pm.pap.exception;
+package gov.nist.csd.pm.common.exception;
 
 public class PMLFunctionNotDefinedException extends PMException {
 

src/main/java/gov/nist/csd/pm/pap/exception/PMRuntimeException.java → src/main/java/gov/nist/csd/pm/common/exception/PMRuntimeException.java

@@ -1,4 +1,4 @@
-package gov.nist.csd.pm.pap.exception;
+package gov.nist.csd.pm.common.exception;
 
 public class PMRuntimeException extends RuntimeException {
 

src/main/java/gov/nist/csd/pm/pap/exception/PolicyEntityDoesNotExistException.java → src/main/java/gov/nist/csd/pm/common/exception/PolicyEntityDoesNotExistException.java

@@ -1,4 +1,4 @@
-package gov.nist.csd.pm.pap.exception;
+package gov.nist.csd.pm.common.exception;
 
 public class PolicyEntityDoesNotExistException extends PMException {
     public PolicyEntityDoesNotExistException(String msg) {

src/main/java/gov/nist/csd/pm/pap/exception/ProhibitionContainerDoesNotExistException.java → src/main/java/gov/nist/csd/pm/common/exception/ProhibitionContainerDoesNotExistException.java

@@ -1,4 +1,4 @@
-package gov.nist.csd.pm.pap.exception;
+package gov.nist.csd.pm.common.exception;
 
 public class ProhibitionContainerDoesNotExistException extends PMException {
     public ProhibitionContainerDoesNotExistException(String name) {

src/main/java/gov/nist/csd/pm/pap/exception/ProhibitionDoesNotExistException.java → src/main/java/gov/nist/csd/pm/common/exception/ProhibitionDoesNotExistException.java

@@ -1,4 +1,4 @@
-package gov.nist.csd.pm.pap.exception;
+package gov.nist.csd.pm.common.exception;
 
 public class ProhibitionDoesNotExistException extends PMException {
     public ProhibitionDoesNotExistException(String name) {

src/main/java/gov/nist/csd/pm/pap/exception/ProhibitionExistsException.java → src/main/java/gov/nist/csd/pm/common/exception/ProhibitionExistsException.java

@@ -1,4 +1,4 @@
-package gov.nist.csd.pm.pap.exception;
+package gov.nist.csd.pm.common.exception;
 
 public class ProhibitionExistsException extends PMException {
     public ProhibitionExistsException(String name) {

src/main/java/gov/nist/csd/pm/pap/exception/ProhibitionSubjectDoesNotExistException.java → src/main/java/gov/nist/csd/pm/common/exception/ProhibitionSubjectDoesNotExistException.java

@@ -1,4 +1,4 @@
-package gov.nist.csd.pm.pap.exception;
+package gov.nist.csd.pm.common.exception;
 
 public class ProhibitionSubjectDoesNotExistException extends PMException {
     public ProhibitionSubjectDoesNotExistException(String name) {

src/main/java/gov/nist/csd/pm/pap/exception/RepObjectNotSetException.java → src/main/java/gov/nist/csd/pm/common/exception/RepObjectNotSetException.java

@@ -1,4 +1,4 @@
-package gov.nist.csd.pm.pap.exception;
+package gov.nist.csd.pm.common.exception;
 
 public class RepObjectNotSetException extends PMException {
 

src/main/java/gov/nist/csd/pm/pap/exception/RoutineDoesNotExistException.java → src/main/java/gov/nist/csd/pm/common/exception/RoutineDoesNotExistException.java

@@ -1,4 +1,4 @@
-package gov.nist.csd.pm.pap.exception;
+package gov.nist.csd.pm.common.exception;
 
 public class RoutineDoesNotExistException extends PMException {
     public RoutineDoesNotExistException(String routine) {

src/main/java/gov/nist/csd/pm/pap/exception/RoutineExistsException.java → src/main/java/gov/nist/csd/pm/common/exception/RoutineExistsException.java

@@ -1,4 +1,4 @@
-package gov.nist.csd.pm.pap.exception;
+package gov.nist.csd.pm.common.exception;
 
 public class RoutineExistsException extends PMException {
     public RoutineExistsException(String routine) {

src/main/java/gov/nist/csd/pm/pap/exception/UnknownAccessRightException.java → src/main/java/gov/nist/csd/pm/common/exception/UnknownAccessRightException.java

@@ -1,4 +1,4 @@
-package gov.nist.csd.pm.pap.exception;
+package gov.nist.csd.pm.common.exception;
 
 public class UnknownAccessRightException extends PMException {
     public UnknownAccessRightException(String ar) {

src/main/java/gov/nist/csd/pm/pap/exception/UnknownOperandException.java → src/main/java/gov/nist/csd/pm/common/exception/UnknownOperandException.java

@@ -1,4 +1,4 @@
-package gov.nist.csd.pm.pap.exception;
+package gov.nist.csd.pm.common.exception;
 
 public class UnknownOperandException extends PMException {
     public UnknownOperandException(String operand) {

src/main/java/gov/nist/csd/pm/pap/exception/UnknownPatternException.java → src/main/java/gov/nist/csd/pm/common/exception/UnknownPatternException.java

@@ -1,4 +1,4 @@
-package gov.nist.csd.pm.pap.exception;
+package gov.nist.csd.pm.common.exception;
 
 public class UnknownPatternException extends PMException {
     public UnknownPatternException() {

src/main/java/gov/nist/csd/pm/pap/exception/UnknownTypeException.java → src/main/java/gov/nist/csd/pm/common/exception/UnknownTypeException.java

@@ -1,4 +1,4 @@
-package gov.nist.csd.pm.pap.exception;
+package gov.nist.csd.pm.common.exception;
 
 public class UnknownTypeException extends PMException {
     public UnknownTypeException(String type) {