/*
* Copyright (c) 2011. The Apache Software Foundation
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.misc;
import org.apache.hadoop.hbase.hbql.client.Column;
import org.apache.hadoop.hbase.hbql.client.ColumnVersionMap;
import org.apache.hadoop.hbase.hbql.client.HBatch;
import org.apache.hadoop.hbase.hbql.client.HBqlException;
import org.apache.hadoop.hbase.hbql.client.HConnection;
import org.apache.hadoop.hbase.hbql.client.HConnectionManager;
import org.apache.hadoop.hbase.hbql.client.HResultSet;
import org.apache.hadoop.hbase.hbql.client.HStatement;
import org.apache.hadoop.hbase.hbql.client.Mapping;
import org.apache.hadoop.hbase.hbql.client.Util;
import org.apache.hadoop.hbase.hbql.util.Maps;
import java.util.Date;
import java.util.Map;
import java.util.NavigableMap;
import java.util.TreeMap;
public class AnnotationExample {
@Mapping(name = "testobjects")
public static class TestObject {
private enum TestEnum {
RED, BLUE, BLACK, ORANGE
}
public String keyval;
public TestEnum enumValue = TestEnum.BLUE;
public int intValue = -1;
public String strValue = "";
public String title = "";
@ColumnVersionMap(name = "title")
public NavigableMap<Long, String> titles = new TreeMap<Long, String>();
@Column(name = "author")
public String author = "";
@ColumnVersionMap(name = "author")
public NavigableMap<Long, String> authorVersions;
public Map<String, byte[]> family1Default = Maps.newHashMap();
@ColumnVersionMap(name = "family1Default")
public Map<String, NavigableMap<Long, byte[]>> family1DefaultVersions;
public String header = "A header value";
@Column(name = "bodyimage")
public String bodyimage = "A bodyimage value";
public int[] array1 = {1, 2, 3};
public String[] array2 = {"val1", "val2", "val3"};
public Map<String, String> mapval1 = Maps.newHashMap();
@ColumnVersionMap(name = "mapval1")
public Map<String, NavigableMap<Long, String>> mapval1Versions;
public Map<String, String> mapval2 = Maps.newHashMap();
public TestObject() {
}
public TestObject(int val) throws HBqlException {
this.keyval = Util.getZeroPaddedNonNegativeNumber(val, 6);
this.title = "A title value";
this.author = "An author value";
strValue = "v" + val;
mapval1.put("key1", "val1");
mapval1.put("key2", "val2");
mapval2.put("key3", "val3");
mapval2.put("key4", "val4");
author += "-" + val + System.nanoTime();
header += "-" + val;
title += "-" + val;
}
public byte[] getHeaderBytes() {
return this.header.getBytes();
}
public void setHeaderBytes(byte[] val) {
this.header = new String(val);
}
}
public static void main(String[] args) throws HBqlException {
HConnection conn = HConnectionManager.newConnection();
final HBatch<TestObject> batch = conn.newHBatch();
for (int i = 0; i < 10; i++)
batch.insert(new TestObject(i));
batch.apply();
final String query2 = "SELECT title, titles, author, authorVersions "
+ "FROM TestObject "
+ "WITH "
+ "KEYS '0000000002' TO '0000000003', '0000000007' TO '0000000008' "
+ "TIME RANGE NOW()-DAY(25) TO NOW()+DAY(1) "
+ "VERSIONS 3 "
//+ "SERVER FILTER WHERE author LIKE '.*val.*' OR LENGTH(author) > 4 "
+ "CLIENT FILTER WHERE author LIKE '.*val.*' OR LENGTH(author) > 4";
HStatement stmt = conn.createStatement();
HResultSet<TestObject> results2 = stmt.executeQuery(query2, TestObject.class);
for (TestObject val2 : results2) {
System.out.println("Current Values: " + val2.keyval + " - " + val2.author + " - " + val2.title);
System.out.println("Historicals");
if (val2.authorVersions != null)
for (final Long key : val2.authorVersions.keySet())
System.out.println(new Date(key) + " - " + val2.authorVersions.get(key));
if (val2.titles != null)
for (final Long key : val2.titles.keySet())
System.out.println(new Date(key) + " - " + val2.titles.get(key));
}
results2.close();
}
}