Hbase java api

2019-04-10 17:34:17 +08:00
parent 48c8da36aa
commit 051e9991f3
11 changed files with 1591 additions and 7 deletions
--- a/code/Hbase/hbase-java-api-1.x/src/test/java/com/heibaiying/HbaseUtilsTest.java
+++ b/code/Hbase/hbase-java-api-1.x/src/test/java/com/heibaiying/HbaseUtilsTest.java
@@ -0,0 +1,107 @@
+package com.heibaiying;
+
+import javafx.util.Pair;
+import org.apache.hadoop.hbase.client.Result;
+import org.apache.hadoop.hbase.client.ResultScanner;
+import org.apache.hadoop.hbase.filter.CompareFilter;
+import org.apache.hadoop.hbase.filter.FilterList;
+import org.apache.hadoop.hbase.filter.SingleColumnValueFilter;
+import org.apache.hadoop.hbase.util.Bytes;
+import org.junit.Test;
+
+import java.util.Arrays;
+import java.util.List;
+
+public class HBaseUtilsTest {
+
+    private static final String TABLE_NAME = "class";
+    private static final String TEACHER = "teacher";
+    private static final String STUDENT = "student";
+
+    @Test
+    public void createTable() {
+        // 新建表
+        List<String> columnFamilies = Arrays.asList(TEACHER, STUDENT);
+        boolean table = HBaseUtils.createTable(TABLE_NAME, columnFamilies);
+        System.out.println("表创建结果:" + table);
+    }
+
+    @Test
+    public void insertData() {
+        List<Pair<String, String>> pairs1 = Arrays.asList(new Pair<>("name", "Tom"),
+                new Pair<>("age", "22"),
+                new Pair<>("gender", "1"));
+        HBaseUtils.putRow(TABLE_NAME, "rowKey1", STUDENT, pairs1);
+
+        List<Pair<String, String>> pairs2 = Arrays.asList(new Pair<>("name", "Jack"),
+                new Pair<>("age", "33"),
+                new Pair<>("gender", "2"));
+        HBaseUtils.putRow(TABLE_NAME, "rowKey2", STUDENT, pairs2);
+
+        List<Pair<String, String>> pairs3 = Arrays.asList(new Pair<>("name", "Mike"),
+                new Pair<>("age", "44"),
+                new Pair<>("gender", "1"));
+        HBaseUtils.putRow(TABLE_NAME, "rowKey3", STUDENT, pairs3);
+    }
+
+
+    @Test
+    public void getRow() {
+        Result result = HBaseUtils.getRow(TABLE_NAME, "rowKey1");
+        if (result != null) {
+            System.out.println(Bytes
+                    .toString(result.getValue(Bytes.toBytes(STUDENT), Bytes.toBytes("name"))));
+        }
+
+    }
+
+    @Test
+    public void getCell() {
+        String cell = HBaseUtils.getCell(TABLE_NAME, "rowKey2", STUDENT, "age");
+        System.out.println("cell age :" + cell);
+
+    }
+
+    @Test
+    public void getScanner() {
+        ResultScanner scanner = HBaseUtils.getScanner(TABLE_NAME);
+        if (scanner != null) {
+            scanner.forEach(result -> System.out.println(Bytes.toString(result.getRow()) + "->" + Bytes
+                    .toString(result.getValue(Bytes.toBytes(STUDENT), Bytes.toBytes("name")))));
+            scanner.close();
+        }
+    }
+
+
+    @Test
+    public void getScannerWithFilter() {
+        FilterList filterList = new FilterList(FilterList.Operator.MUST_PASS_ALL);
+        SingleColumnValueFilter nameFilter = new SingleColumnValueFilter(Bytes.toBytes(STUDENT),
+                Bytes.toBytes("name"), CompareFilter.CompareOp.EQUAL, Bytes.toBytes("Jack"));
+        filterList.addFilter(nameFilter);
+        ResultScanner scanner = HBaseUtils.getScanner(TABLE_NAME, filterList);
+        if (scanner != null) {
+            scanner.forEach(result -> System.out.println(Bytes.toString(result.getRow()) + "->" + Bytes
+                    .toString(result.getValue(Bytes.toBytes(STUDENT), Bytes.toBytes("name")))));
+            scanner.close();
+        }
+    }
+
+    @Test
+    public void deleteColumn() {
+        boolean b = HBaseUtils.deleteColumn(TABLE_NAME, "rowKey2", STUDENT, "age");
+        System.out.println("删除结果: " + b);
+    }
+
+    @Test
+    public void deleteRow() {
+        boolean b = HBaseUtils.deleteRow(TABLE_NAME, "rowKey2");
+        System.out.println("删除结果: " + b);
+    }
+
+    @Test
+    public void deleteTable() {
+        boolean b = HBaseUtils.deleteTable(TABLE_NAME);
+        System.out.println("删除结果: " + b);
+    }
+}