refactor: make abstract implementations of interfaces public (#817)

Needed to expose these abstract classes to generate typing stubs for NeqSimPython

src/main/java/neqsim/thermo/component/Component.java

@@ -14,7 +14,7 @@
 import neqsim.thermo.phase.PhaseInterface;
 import neqsim.util.database.NeqSimDataBase;
 
-abstract class Component implements ComponentInterface {
+public abstract class Component implements ComponentInterface {
   private static final long serialVersionUID = 1000;
   static Logger logger = LogManager.getLogger(Component.class);
 

src/main/java/neqsim/thermo/component/ComponentEos.java

@@ -34,7 +34,7 @@
 /**
  * @author Even Solbraa
  */
-abstract class ComponentEos extends Component implements ComponentEosInterface {
+public abstract class ComponentEos extends Component implements ComponentEosInterface {
   private static final long serialVersionUID = 1000;
 
   public double a = 1;

src/main/java/neqsim/thermo/component/ComponentGE.java

@@ -15,7 +15,7 @@
  *
  * @author Even Solbraa
  */
-abstract class ComponentGE extends Component implements ComponentGEInterface {
+public abstract class ComponentGE extends Component implements ComponentGEInterface {
   private static final long serialVersionUID = 1000;
 
   protected double gamma = 0;

src/main/java/neqsim/thermo/phase/Phase.java

@@ -20,7 +20,7 @@
  *
  * @author Even Solbraa
  */
-abstract class Phase implements PhaseInterface {
+public abstract class Phase implements PhaseInterface {
   private static final long serialVersionUID = 1000;
   static Logger logger = LogManager.getLogger(Phase.class);
 

src/main/java/neqsim/thermo/phase/PhaseEos.java

@@ -16,7 +16,7 @@
  *
  * @author Even Solbraa
  */
-abstract class PhaseEos extends Phase implements PhaseEosInterface {
+public abstract class PhaseEos extends Phase implements PhaseEosInterface {
   private static final long serialVersionUID = 1000;
   static Logger logger = LogManager.getLogger(PhaseEos.class);
 

src/main/java/neqsim/thermo/system/SystemEos.java

@@ -4,7 +4,7 @@
  *
  * @author Even Solbraa
  */
-abstract class SystemEos extends neqsim.thermo.system.SystemThermo {
+public abstract class SystemEos extends neqsim.thermo.system.SystemThermo {
   private static final long serialVersionUID = 1000;
 
   /**

src/main/java/neqsim/thermo/system/SystemThermo.java

@@ -43,7 +43,7 @@
 /**
  * This is the base class of the System classes.
  */
-abstract class SystemThermo implements SystemInterface {
+public abstract class SystemThermo implements SystemInterface {
   private static final long serialVersionUID = 1000;
   static Logger logger = LogManager.getLogger(SystemThermo.class);
 

src/main/java/neqsim/thermodynamicOperations/flashOps/Flash.java

@@ -17,7 +17,7 @@
  *
  * @author Even Solbraa
  */
-abstract class Flash extends BaseOperation {
+public abstract class Flash extends BaseOperation {
   private static final long serialVersionUID = 1000;
   static Logger logger = LogManager.getLogger(Flash.class);