Top level change to support multiple entities per file...

legend-sdlc-entity-maven-plugin/src/main/java/org/finos/legend/sdlc/entities/EntityMojo.java

@@ -48,6 +48,9 @@ public class EntityMojo extends AbstractMojo
     @Parameter(defaultValue = "${project.basedir}", readonly = true)
     public File baseDir;
 
+    @Parameter(defaultValue = "true")
+    public boolean enforceOneEntityPerFile;
+
     @Override
     public void execute() throws MojoExecutionException
     {

legend-sdlc-entity-maven-plugin/src/test/resources/single-file-pure-model/singleFile.pure

@@ -0,0 +1,34 @@
+Association model::domain::associations::Employment
+{
+  employer: model::domain::Firm[*];
+  employees: model::domain::Person[*];
+}
+
+Class model::domain::classes::Address
+{
+  type: model::domain::enums::AddressType[1];
+  address: String[1];
+}
+
+Class model::domain::classes::EntityWithAddresses
+{
+  addresses: model::domain::classes::Address[*];
+}
+
+Class model::domain::classes::Firm extends model::domain::classes::EntityWithAddresses
+{
+  legalName: String[1];
+  commonName: String[0..1];
+  founded: StrictDate[0..1];
+}
+
+Class model::domain::classes::Person extends model::domain::classes::EntityWithAddresses
+{
+  firstName: String[1];
+  lastName: String[1];
+}
+
+Enum model::domain::enums::AddressType
+{
+  STREET, CITY, COUNTRY
+}

legend-sdlc-entity-serialization/src/main/java/org/finos/legend/sdlc/serialization/EntitySerializer.java

@@ -14,6 +14,7 @@
 
 package org.finos.legend.sdlc.serialization;
 
+import java.util.List;
 import org.finos.legend.sdlc.domain.model.entity.Entity;
 import org.finos.legend.sdlc.tools.entity.EntityPaths;
 
@@ -156,7 +157,7 @@ default Path filePathForEntity(Entity entity, Path rootDirectory, String extensi
      * @return deserialized entity
      * @throws IOException if an I/O error occurs
      */
-    Entity deserialize(InputStream stream) throws IOException;
+    List<Entity> deserialize(InputStream stream) throws IOException;
 
     /**
      * Deserialize an entity from a byte array.
@@ -165,7 +166,7 @@ default Path filePathForEntity(Entity entity, Path rootDirectory, String extensi
      * @return deserialized entity
      * @throws IOException if an I/O error occurs
      */
-    default Entity deserialize(byte[] content) throws IOException
+    default List<Entity> deserialize(byte[] content) throws IOException
     {
         return deserialize(new ByteArrayInputStream(content));
     }