add text output for ops

src/main/java/neqsim/process/equipment/ProcessEquipmentBaseClass.java

@@ -299,4 +299,15 @@ public String getReport_json() {
   /** {@inheritDoc} */
   @Override
   public void run_step(UUID id) {}
+
+  /** {@inheritDoc} */
+  @Override
+  public String[][] createTable(String name) {
+    String[][] table = new String[50][3];
+    String[] names = {"Property", "Value", "Unit"};
+    table[0][0] = "";
+    table[0][1] = "";
+    table[0][2] = "";
+    return table;
+  }
 }

src/main/java/neqsim/process/equipment/ProcessEquipmentInterface.java

@@ -224,4 +224,19 @@ public default SystemInterface getFluid() {
   /** {@inheritDoc} */
   @Override
   public String getReport_json();
+
+  /**
+   * Prints the fluid in a visually appealing way.
+   */
+  public default void prettyPrint() {
+    neqsim.thermo.util.readwrite.TablePrinter.printTable(createTable(getName()));
+  }
+
+  /**
+   * Create table.
+   *
+   * @param name
+   * @return
+   */
+  public String[][] createTable(String name);
 }

src/main/java/neqsim/process/equipment/pump/Pump.java

@@ -71,6 +71,22 @@ public double getEnergy() {
     return dH;
   }
 
+  /**
+   * Return head in specified unit.
+   *
+   * @param unit unit can be or kJ/kg
+   */
+  public double getHead(String unit) {
+    if (unit.equals("meter")) {
+      return (getOutletStream().getPressure("bara") - getInletStream().getPressure("bara"))
+          / (1000.0 * ThermodynamicConstantsInterface.gravity / 1.0E5);
+    } else if (unit.equals("kJ/kg")) {
+      return getPower("kW") / getInletStream().getFlowRate("kg/sec");
+    }
+    throw new RuntimeException(
+        new neqsim.util.exception.InvalidInputException(this, "getHead", unit));
+  }
+
   /** {@inheritDoc} */
   @Override
   public double getPower() {
@@ -190,6 +206,38 @@ public void run(UUID id) {
     // outStream.run(id);
   }
 
+  /** {@inheritDoc} */
+  @ExcludeFromJacocoGeneratedReport
+  public String[][] createTable(String name) {
+    DecimalFormat nf = new DecimalFormat();
+    nf.setMaximumFractionDigits(5);
+    nf.applyPattern("#.#####E0");
+
+    String[][] table = new String[4][3];
+    String[] names = {"Property", "Value", "Unit"};
+    table[0][0] = "";
+    table[0][1] = "";
+    table[0][2] = "";
+    StringBuffer buf = new StringBuffer();
+    FieldPosition test = new FieldPosition(0);
+
+    table[1][0] = "Inlet pressure";
+    buf = new StringBuffer();
+    table[1][1] = nf.format(inStream.getPressure("bara"), buf, test).toString();
+    table[1][2] = "bara";
+
+    table[2][0] = "Outlet pressure";
+    buf = new StringBuffer();
+    table[2][1] = nf.format(outStream.getPressure("bara"), buf, test).toString();
+    table[2][2] = "bara";
+
+    table[3][0] = "Head";
+    buf = new StringBuffer();
+    table[3][1] = nf.format(getHead("meter"), buf, test).toString();
+    table[3][2] = "meter";
+    return table;
+  }
+
   /** {@inheritDoc} */
   @Override
   @ExcludeFromJacocoGeneratedReport

src/main/java/neqsim/process/processmodel/ProcessModuleBaseClass.java

@@ -257,4 +257,15 @@ public String getReport_json() {
   /** {@inheritDoc} */
   @Override
   public void run_step(UUID id) {}
+
+  /** {@inheritDoc} */
+  @Override
+  public String[][] createTable(String name) {
+    String[][] table = new String[50][3];
+    String[] names = {"Property", "Value", "Unit"};
+    table[0][0] = "";
+    table[0][1] = "";
+    table[0][2] = "";
+    return table;
+  }
 }

src/test/java/neqsim/process/equipment/pump/PumpTest.java

@@ -97,6 +97,8 @@ void testSimplePumpCurve() {
     pump1.setSpeed(500);
     pump1.run();
 
+    pump1.prettyPrint();
+
     Assertions.assertEquals(7.274237081101, pump1.getOutletPressure(), 1e-5);
   }
 }