Merge branch 'master' of https://github.com/danvegeto/pipelinescript

Author: Rachelli789

doc/examples.md

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+#PipelineScript Examples
+
+###print
+
+PipelineScript
+```
+print "hello world"
+```
+
+Java
+```java
+System.out.println("hello world");
+```
+
+Output
+```
+hello world
+```
+
+###var_text
+
+PipelineScript
+```
+text x = "foobar"
+print x
+```
+
+Java
+```java
+String x = "foobar";
+System.out.println(x);
+```
+
+Output
+```
+foobar
+```
+
+###var_num
+
+PipelineScript
+```
+num x = 42
+print x
+```
+
+Java
+```java
+double x = 42;
+System.out.println(x);
+```
+
+Output
+```
+42.0
+```
+
+###var_bool
+
+PipelineScript
+```
+bool x = true
+print x
+```
+
+Java
+```java
+boolean x = true;
+System.out.println(x);
+```
+
+Output
+```
+true
+```
+
+###var_array
+(not yet implemented)
+
+PipelineScript
+```
+num[] x = [1, 2, 3]
+print x
+```
+
+Java
+```java
+double[] x = new double[]{1, 2, 3};
+System.out.println(x);
+```
+
+Output
+```
+1.0	2.0	3.0
+```
+
+###var_table
+(not yet implemented)
+
+PipelineScript
+```
+table x = [[1, 2], [3, 4]]
+print x
+```
+
+Java
+```java
+Table x = new Table(new double[][]{{1, 2}, {3, 4}});
+System.out.println(x);
+```
+
+Output
+```
+1.0	2.0
+3.0	4.0
+```
+
+###var_graph
+(not yet implemented)
+
+PipelineScript
+```
+graph x = 3[[1, 2], [1, 3], [2, 3]]
+print x
+```
+
+Java
+```java
+Graph x = new Graph(3, new int[][]{{1, 2}, {3, 4}});
+System.out.println(x);
+```
+
+Output
+```
+3
+1	2
+3	4
+```
+
+###arith_add
+
+PipelineScript
+```
+num x = 4
+num y = 2
+print x + y
+```
+
+Java
+```java
+double x = 4;
+double y = 2;
+System.out.println(x + y);
+```
+
+Output
+```
+6.0
+```
+
+###arith_sub
+
+PipelineScript
+```
+num x = 4
+num y = 2
+print x + y
+```
+
+Java
+```java
+double x = 4;
+double y = 2;
+System.out.println(x - y);
+```
+
+Output
+```
+2.0
+```
+
+###arith_mult
+
+PipelineScript
+```
+num x = 4
+num y = 2
+print x * y
+```
+
+Java
+```java
+double x = 4;
+double y = 2;
+System.out.println(x * y);
+```
+
+Output
+```
+8.0
+```
+
+###arith_div
+
+PipelineScript
+```
+num x = 4
+num y = 2
+print x / y
+```
+
+Java
+```java
+double x = 4;
+double y = 2;
+System.out.println(x / y);
+```
+
+Output
+```
+2.0
+```
+
+###text_concat
+
+PipelineScript
+```
+text x = "foo"
+text y = "bar"
+print x + " " + y
+```
+
+Java
+```java
+String x = "foo";
+String y = "bar";
+System.out.println(x + " " + y);
+```
+
+Output
+```
+foo bar
+```
+

java/FileManager.java

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+package pipelinescript.java;
+
+import java.io.BufferedReader;
+import java.io.FileNotFoundException;
+import java.io.FileReader;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+public class FileManager {
+	Map<String, String> fileMap;
+	public FileManager(){
+		this.fileMap = new HashMap<>();
+	}
+	public void create(String variable, String filepath){
+		fileMap.put(variable,filepath);
+	}
+	public void delete(String variable){
+		fileMap.remove(variable);
+	}
+	public void move(String variable, String filepath){
+		fileMap.put(variable, filepath);
+	}
+	public void set(String variable, Object value){
+		
+	}
+	
+	public Object get(String variable){
+		
+		return new Object();
+	}
+	// make sure it points proper CSV file
+	public Graph getGraphFromCSV(String variable){
+		String path = fileMap.get(variable);
+		BufferedReader br = null;
+		String line = "";
+		String cvsSplitBy = "\t";
+		List<String[]> rtn = null;
+		try {
+			br = new BufferedReader(new FileReader(path));
+		} catch (FileNotFoundException e) {
+			// TODO Auto-generated catch block
+			e.printStackTrace();
+		}
+		try {
+		rtn = new ArrayList<>();
+			while ((line = br.readLine()) != null) {
+				String[] l = line.split(cvsSplitBy);
+				rtn.add(l);
+			}
+		} catch (IOException e) {
+			// TODO Auto-generated catch block
+			e.printStackTrace();
+		}
+
+		return new Graph(rtn);
+	}
+
+}

java/FileManagerTest.java

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+package pipelinescript.java;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+public class FileManagerTest {
+	protected FileManager filemanager = new FileManager();
+	
+	//filemanager = new FileManager();
+	String [][]qtable = {{"0","1","1"},{"1","2","2"},{"0","2","4"}};
+	Graph gr = new Graph(qtable);
+	
+	@Test
+  public void testCase0() {
+		filemanager.create("test0", "./TestFile.csv");
+		Graph g2 = filemanager.getGraphFromCSV("test0");
+		Assert.assertEquals(g2 , gr);
+  }
+	
+}