add new repoHEADmaster

13 files changed, 197 insertions, 0 deletions

diff --git a/Master/Software Architektur/SWA_Prakt3/src/swa/prakt3/ArithmeticAddition.java b/Master/Software Architektur/SWA_Prakt3/src/swa/prakt3/ArithmeticAddition.java
new file mode 100755
index 0000000..efbf899
--- /dev/null
+++ b/Master/Software Architektur/SWA_Prakt3/src/swa/prakt3/ArithmeticAddition.java
@@ -0,0 +1,14 @@
+package swa.prakt3;

+

+public class ArithmeticAddition extends ArithmeticOperation {

+

+	public ArithmeticAddition(ArithmeticExpression operand1,

+			ArithmeticExpression operand2) {

+		super(operand1, operand2);

+		operationSign="+";

+	}

+	@Override

+	public Number doOperation(Number op1, Number op2) {

+		return op1.doubleValue() + op2.doubleValue() ;

+	}

+}

diff --git a/Master/Software Architektur/SWA_Prakt3/src/swa/prakt3/ArithmeticDivision.java b/Master/Software Architektur/SWA_Prakt3/src/swa/prakt3/ArithmeticDivision.java
new file mode 100755
index 0000000..d8431a8
--- /dev/null
+++ b/Master/Software Architektur/SWA_Prakt3/src/swa/prakt3/ArithmeticDivision.java
@@ -0,0 +1,14 @@
+package swa.prakt3;

+

+public class ArithmeticDivision extends ArithmeticOperation {

+

+	public ArithmeticDivision(ArithmeticExpression operand1,

+			ArithmeticExpression operand2) {

+		super(operand1, operand2);

+		operationSign="/";

+	}

+	@Override

+	public Number doOperation(Number op1, Number op2) {

+		return op1.doubleValue() / op2.doubleValue() ;

+	}

+}

diff --git a/Master/Software Architektur/SWA_Prakt3/src/swa/prakt3/ArithmeticExpression.java b/Master/Software Architektur/SWA_Prakt3/src/swa/prakt3/ArithmeticExpression.java
new file mode 100755
index 0000000..10ac058
--- /dev/null
+++ b/Master/Software Architektur/SWA_Prakt3/src/swa/prakt3/ArithmeticExpression.java
@@ -0,0 +1,7 @@
+package swa.prakt3;

+

+public abstract class ArithmeticExpression {

+	public ExprType type;

+	protected Visitor v;

+	public abstract Number accept(Visitor v, Iterator it);

+}

diff --git a/Master/Software Architektur/SWA_Prakt3/src/swa/prakt3/ArithmeticMultiplication.java b/Master/Software Architektur/SWA_Prakt3/src/swa/prakt3/ArithmeticMultiplication.java
new file mode 100755
index 0000000..abc833a
--- /dev/null
+++ b/Master/Software Architektur/SWA_Prakt3/src/swa/prakt3/ArithmeticMultiplication.java
@@ -0,0 +1,16 @@
+package swa.prakt3;

+

+public class ArithmeticMultiplication extends ArithmeticOperation {

+

+	

+	

+	public ArithmeticMultiplication(ArithmeticExpression operand1,

+			ArithmeticExpression operand2) {

+		super(operand1, operand2);

+		operationSign = "*";

+	}

+	@Override

+	public Number doOperation(Number op1, Number op2) {

+		return op1.doubleValue() * op2.doubleValue() ;

+	}

+}

diff --git a/Master/Software Architektur/SWA_Prakt3/src/swa/prakt3/ArithmeticOperation.java b/Master/Software Architektur/SWA_Prakt3/src/swa/prakt3/ArithmeticOperation.java
new file mode 100755
index 0000000..fca2f9a
--- /dev/null
+++ b/Master/Software Architektur/SWA_Prakt3/src/swa/prakt3/ArithmeticOperation.java
@@ -0,0 +1,28 @@
+package swa.prakt3;

+

+public abstract class ArithmeticOperation extends ArithmeticExpression{

+	protected ArithmeticExpression operand1;

+	protected ArithmeticExpression operand2;

+	protected String operationSign;

+	public ArithmeticOperation(ArithmeticExpression operand1

+			,ArithmeticExpression operand2){

+		this.operand1 = operand1;

+		this.operand2 = operand2;

+		this.type = ExprType.OPER;

+	}

+	public String getOperationSign() {

+		return operationSign;

+	}

+	public ArithmeticExpression getLeftOperand() {

+		return operand1;

+	}

+	public ArithmeticExpression getRightOperand() {

+		return operand2;

+	}

+	@Override

+	public Number accept(Visitor v, Iterator it) {

+		this.v = v;

+		return v.visit(this, it);

+	}

+	public abstract Number doOperation(Number op1, Number op2);

+}

diff --git a/Master/Software Architektur/SWA_Prakt3/src/swa/prakt3/ArithmeticSubstraction.java b/Master/Software Architektur/SWA_Prakt3/src/swa/prakt3/ArithmeticSubstraction.java
new file mode 100755
index 0000000..ebb94a7
--- /dev/null
+++ b/Master/Software Architektur/SWA_Prakt3/src/swa/prakt3/ArithmeticSubstraction.java
@@ -0,0 +1,14 @@
+package swa.prakt3;

+

+public class ArithmeticSubstraction extends ArithmeticOperation {

+

+	public ArithmeticSubstraction(ArithmeticExpression operand1,

+			ArithmeticExpression operand2) {

+		super(operand1, operand2);

+		operationSign = "-";

+	}

+	@Override

+	public Number doOperation(Number op1, Number op2) {

+		return op1.doubleValue() - op2.doubleValue() ;

+	}

+}

diff --git a/Master/Software Architektur/SWA_Prakt3/src/swa/prakt3/ArithmeticVariable.java b/Master/Software Architektur/SWA_Prakt3/src/swa/prakt3/ArithmeticVariable.java
new file mode 100755
index 0000000..943e7de
--- /dev/null
+++ b/Master/Software Architektur/SWA_Prakt3/src/swa/prakt3/ArithmeticVariable.java
@@ -0,0 +1,24 @@
+package swa.prakt3;

+

+public class ArithmeticVariable extends ArithmeticExpression {

+	private String name;

+	private Number value;

+	

+	public ArithmeticVariable(String name,Number value) {

+		this.name = name;

+		this.value = value;

+		this.type = ExprType.VAR;

+	}

+	

+	public String getName() {

+		return name;

+	}

+	public Number getValue() {

+		return value;

+	}

+	@Override

+	public Number accept(Visitor v, Iterator it) {

+		this.v=v;

+		return v.visit(this);

+	}

+}

diff --git a/Master/Software Architektur/SWA_Prakt3/src/swa/prakt3/EvalVisitor.java b/Master/Software Architektur/SWA_Prakt3/src/swa/prakt3/EvalVisitor.java
new file mode 100644
index 0000000..21b2f67
--- /dev/null
+++ b/Master/Software Architektur/SWA_Prakt3/src/swa/prakt3/EvalVisitor.java
@@ -0,0 +1,15 @@
+package swa.prakt3;
+
+public class EvalVisitor implements Visitor {
+	@Override
+	public Number visit(ArithmeticOperation ao, Iterator it) {
+		Number leftRes = it.traverse(ao.getLeftOperand(), this);
+		Number rightRes = it.traverse(ao.getRightOperand(), this);
+		return ao.doOperation(leftRes, rightRes);
+	}
+
+	@Override
+	public Number visit(ArithmeticVariable av) {
+		return av.getValue();
+	}
+}
diff --git a/Master/Software Architektur/SWA_Prakt3/src/swa/prakt3/ExprType.java b/Master/Software Architektur/SWA_Prakt3/src/swa/prakt3/ExprType.java
new file mode 100644
index 0000000..1a5f106
--- /dev/null
+++ b/Master/Software Architektur/SWA_Prakt3/src/swa/prakt3/ExprType.java
@@ -0,0 +1,5 @@
+package swa.prakt3;
+
+public enum ExprType {
+	VAR,OPER
+}
diff --git a/Master/Software Architektur/SWA_Prakt3/src/swa/prakt3/Iterator.java b/Master/Software Architektur/SWA_Prakt3/src/swa/prakt3/Iterator.java
new file mode 100644
index 0000000..4b333ad
--- /dev/null
+++ b/Master/Software Architektur/SWA_Prakt3/src/swa/prakt3/Iterator.java
@@ -0,0 +1,7 @@
+package swa.prakt3;
+
+public class Iterator {
+	public Number traverse(ArithmeticExpression ae,Visitor vis) {
+		return ae.accept(vis,this);
+	}
+}
diff --git a/Master/Software Architektur/SWA_Prakt3/src/swa/prakt3/Main.java b/Master/Software Architektur/SWA_Prakt3/src/swa/prakt3/Main.java
new file mode 100644
index 0000000..919baaa
--- /dev/null
+++ b/Master/Software Architektur/SWA_Prakt3/src/swa/prakt3/Main.java
@@ -0,0 +1,26 @@
+package swa.prakt3;
+
+public class Main {
+
+	public static void main(String[] args) {
+		ArithmeticVariable a = new ArithmeticVariable("a", 2);
+		ArithmeticVariable b = new ArithmeticVariable("b", 77);
+		ArithmeticVariable c = new ArithmeticVariable("c", 0.1);
+		ArithmeticVariable d = new ArithmeticVariable("d", 0.00003);
+		
+		ArithmeticExpression aAddb = new ArithmeticAddition(a,b);
+		ArithmeticExpression aSubc = new ArithmeticSubstraction(a,c);
+		ArithmeticExpression bMuld = new ArithmeticMultiplication(b, d);
+		
+		ArithmeticExpression ae1 = new ArithmeticMultiplication(aAddb, aSubc);
+		ArithmeticExpression ae2 = new ArithmeticSubstraction(bMuld, a);
+		
+		ArithmeticExpression root = new ArithmeticAddition(ae1, ae2);
+		
+		Iterator iter = new Iterator();
+		iter.traverse(root, new PrintVisitor());
+		System.out.println();
+		System.out.println(iter.traverse(root, new EvalVisitor()));
+	}
+
+}
diff --git a/Master/Software Architektur/SWA_Prakt3/src/swa/prakt3/PrintVisitor.java b/Master/Software Architektur/SWA_Prakt3/src/swa/prakt3/PrintVisitor.java
new file mode 100644
index 0000000..fd45b88
--- /dev/null
+++ b/Master/Software Architektur/SWA_Prakt3/src/swa/prakt3/PrintVisitor.java
@@ -0,0 +1,21 @@
+package swa.prakt3;
+
+
+
+public class PrintVisitor implements Visitor {	
+	@Override
+	public Number visit(ArithmeticOperation ao, Iterator it) {
+		System.out.print("(");
+		it.traverse(ao.getLeftOperand(), this);
+		System.out.print(ao.getOperationSign());
+		it.traverse(ao.getRightOperand(), this);
+		System.out.print(")");
+		return null;
+	}
+
+	@Override
+	public Number visit(ArithmeticVariable av) {
+		System.out.print(av.getName());
+		return null;
+	}
+}
diff --git a/Master/Software Architektur/SWA_Prakt3/src/swa/prakt3/Visitor.java b/Master/Software Architektur/SWA_Prakt3/src/swa/prakt3/Visitor.java
new file mode 100644
index 0000000..995e554
--- /dev/null
+++ b/Master/Software Architektur/SWA_Prakt3/src/swa/prakt3/Visitor.java
@@ -0,0 +1,6 @@
+package swa.prakt3;
+
+public interface Visitor {
+	public Number visit(ArithmeticOperation ao, Iterator it);
+	public Number visit(ArithmeticVariable av);
+}