Refactor various components

samples/sample_program/build.gradle

@@ -0,0 +1,18 @@
+plugins {
+    id 'application'
+}
+
+java {
+    modularity.inferModulePath = true
+    sourceCompatibility = JavaVersion.VERSION_17
+    targetCompatibility = JavaVersion.VERSION_17
+}
+
+repositories {
+    mavenCentral()
+}
+
+dependencies {
+    implementation project(':api')
+    implementation project(':core')
+}

samples/sample_program/src/main/java/io/xpipe/sample/HomePricesSample.java

@@ -0,0 +1,30 @@
+package io.xpipe.sample;
+
+import io.xpipe.api.DataSource;
+import io.xpipe.api.DataTable;
+import io.xpipe.core.data.node.TupleNode;
+
+import java.util.Comparator;
+
+public class HomePricesSample {
+
+    private static DataTable homePricesTable;
+
+    public static void main(String[] args) {
+        var resource = HomePricesSample.class.getResource("homes.csv");
+
+        // Creates a wrapped data source using the url.
+        // Note that while this is possible, it is not recommended as
+        // all queries are routed through the XPipe client anyway.
+        // It allows us however to bundle the data with this sample program.
+        homePricesTable = DataSource.wrap(resource).asTable();
+
+        System.out.println("The highest selling house entry is: " + getHighestSellingHouse());
+    }
+
+    private static TupleNode getHighestSellingHouse() {
+        return homePricesTable.stream()
+                .min(Comparator.comparingInt(t -> t.forKey("Sell").asInt()))
+                .get();
+    }
+}

samples/sample_program/src/main/java/module-info.java

@@ -0,0 +1,3 @@
+module io.xpipe.sample {
+    requires io.xpipe.api;
+}

samples/sample_program/src/main/resources/io/xpipe/sample/homes.csv

@@ -0,0 +1,52 @@
+"Sell", "List", "Living", "Rooms", "Beds", "Baths", "Age", "Acres", "Taxes"
+142, 160, 28, 10, 5, 3,  60, 0.28,  3167
+175, 180, 18,  8, 4, 1,  12, 0.43,  4033
+129, 132, 13,  6, 3, 1,  41, 0.33,  1471
+138, 140, 17,  7, 3, 1,  22, 0.46,  3204
+232, 240, 25,  8, 4, 3,   5, 2.05,  3613
+135, 140, 18,  7, 4, 3,   9, 0.57,  3028
+150, 160, 20,  8, 4, 3,  18, 4.00,  3131
+207, 225, 22,  8, 4, 2,  16, 2.22,  5158
+271, 285, 30, 10, 5, 2,  30, 0.53,  5702
+ 89,  90, 10,  5, 3, 1,  43, 0.30,  2054
+153, 157, 22,  8, 3, 3,  18, 0.38,  4127
+ 87,  90, 16,  7, 3, 1,  50, 0.65,  1445
+234, 238, 25,  8, 4, 2,   2, 1.61,  2087
+106, 116, 20,  8, 4, 1,  13, 0.22,  2818
+175, 180, 22,  8, 4, 2,  15, 2.06,  3917
+165, 170, 17,  8, 4, 2,  33, 0.46,  2220
+166, 170, 23,  9, 4, 2,  37, 0.27,  3498
+136, 140, 19,  7, 3, 1,  22, 0.63,  3607
+148, 160, 17,  7, 3, 2,  13, 0.36,  3648
+151, 153, 19,  8, 4, 2,  24, 0.34,  3561
+180, 190, 24,  9, 4, 2,  10, 1.55,  4681
+293, 305, 26,  8, 4, 3,   6, 0.46,  7088
+167, 170, 20,  9, 4, 2,  46, 0.46,  3482
+190, 193, 22,  9, 5, 2,  37, 0.48,  3920
+184, 190, 21,  9, 5, 2,  27, 1.30,  4162
+157, 165, 20,  8, 4, 2,   7, 0.30,  3785
+110, 115, 16,  8, 4, 1,  26, 0.29,  3103
+135, 145, 18,  7, 4, 1,  35, 0.43,  3363
+567, 625, 64, 11, 4, 4,   4, 0.85, 12192
+180, 185, 20,  8, 4, 2,  11, 1.00,  3831
+183, 188, 17,  7, 3, 2,  16, 3.00,  3564
+185, 193, 20,  9, 3, 2,  56, 6.49,  3765
+152, 155, 17,  8, 4, 1,  33, 0.70,  3361
+148, 153, 13,  6, 3, 2,  22, 0.39,  3950
+152, 159, 15,  7, 3, 1,  25, 0.59,  3055
+146, 150, 16,  7, 3, 1,  31, 0.36,  2950
+170, 190, 24, 10, 3, 2,  33, 0.57,  3346
+127, 130, 20,  8, 4, 1,  65, 0.40,  3334
+265, 270, 36, 10, 6, 3,  33, 1.20,  5853
+157, 163, 18,  8, 4, 2,  12, 1.13,  3982
+128, 135, 17,  9, 4, 1,  25, 0.52,  3374
+110, 120, 15,  8, 4, 2,  11, 0.59,  3119
+123, 130, 18,  8, 4, 2,  43, 0.39,  3268
+212, 230, 39, 12, 5, 3, 202, 4.29,  3648
+145, 145, 18,  8, 4, 2,  44, 0.22,  2783
+129, 135, 10,  6, 3, 1,  15, 1.00,  2438
+143, 145, 21,  7, 4, 2,  10, 1.20,  3529
+247, 252, 29,  9, 4, 2,   4, 1.25,  4626
+111, 120, 15,  8, 3, 1,  97, 1.11,  3205
+133, 145, 26,  7, 3, 1,  42, 0.36,  3059
+