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Posted to commits@hbase.apache.org by gi...@apache.org on 2018/08/16 14:48:21 UTC

[19/51] [partial] hbase-site git commit: Published site at 092efb42749bf7fc6ad338c96aae8e7b9d3a2c74.

http://git-wip-us.apache.org/repos/asf/hbase-site/blob/f3d62514/devapidocs/src-html/org/apache/hadoop/hbase/thrift/DemoClient.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/thrift/DemoClient.html b/devapidocs/src-html/org/apache/hadoop/hbase/thrift/DemoClient.html
index f580359..cd2224c 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/thrift/DemoClient.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/thrift/DemoClient.html
@@ -56,370 +56,373 @@
 <span class="sourceLineNo">048</span>import org.apache.thrift.transport.TSocket;<a name="line.48"></a>
 <span class="sourceLineNo">049</span>import org.apache.thrift.transport.TTransport;<a name="line.49"></a>
 <span class="sourceLineNo">050</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.50"></a>
-<span class="sourceLineNo">051</span><a name="line.51"></a>
-<span class="sourceLineNo">052</span>/**<a name="line.52"></a>
-<span class="sourceLineNo">053</span> * See the instructions under hbase-examples/README.txt<a name="line.53"></a>
-<span class="sourceLineNo">054</span> */<a name="line.54"></a>
-<span class="sourceLineNo">055</span>@InterfaceAudience.Private<a name="line.55"></a>
-<span class="sourceLineNo">056</span>public class DemoClient {<a name="line.56"></a>
-<span class="sourceLineNo">057</span><a name="line.57"></a>
-<span class="sourceLineNo">058</span>    static protected int port;<a name="line.58"></a>
-<span class="sourceLineNo">059</span>    static protected String host;<a name="line.59"></a>
-<span class="sourceLineNo">060</span>    CharsetDecoder decoder = null;<a name="line.60"></a>
-<span class="sourceLineNo">061</span><a name="line.61"></a>
-<span class="sourceLineNo">062</span>    private static boolean secure = false;<a name="line.62"></a>
-<span class="sourceLineNo">063</span>    private static String serverPrincipal = "hbase";<a name="line.63"></a>
+<span class="sourceLineNo">051</span>import org.slf4j.Logger;<a name="line.51"></a>
+<span class="sourceLineNo">052</span>import org.slf4j.LoggerFactory;<a name="line.52"></a>
+<span class="sourceLineNo">053</span><a name="line.53"></a>
+<span class="sourceLineNo">054</span>/**<a name="line.54"></a>
+<span class="sourceLineNo">055</span> * See the instructions under hbase-examples/README.txt<a name="line.55"></a>
+<span class="sourceLineNo">056</span> */<a name="line.56"></a>
+<span class="sourceLineNo">057</span>@InterfaceAudience.Private<a name="line.57"></a>
+<span class="sourceLineNo">058</span>public class DemoClient {<a name="line.58"></a>
+<span class="sourceLineNo">059</span>  private static final Logger LOG = LoggerFactory.getLogger(DemoClient.class);<a name="line.59"></a>
+<span class="sourceLineNo">060</span><a name="line.60"></a>
+<span class="sourceLineNo">061</span>    static protected int port;<a name="line.61"></a>
+<span class="sourceLineNo">062</span>    static protected String host;<a name="line.62"></a>
+<span class="sourceLineNo">063</span>    CharsetDecoder decoder = null;<a name="line.63"></a>
 <span class="sourceLineNo">064</span><a name="line.64"></a>
-<span class="sourceLineNo">065</span>    public static void main(String[] args) throws Exception {<a name="line.65"></a>
-<span class="sourceLineNo">066</span><a name="line.66"></a>
-<span class="sourceLineNo">067</span>        if (args.length &lt; 2 || args.length &gt; 4 || (args.length &gt; 2 &amp;&amp; !isBoolean(args[2]))) {<a name="line.67"></a>
-<span class="sourceLineNo">068</span><a name="line.68"></a>
-<span class="sourceLineNo">069</span>            System.out.println("Invalid arguments!");<a name="line.69"></a>
-<span class="sourceLineNo">070</span>            System.out.println("Usage: DemoClient host port [secure=false [server-principal=hbase] ]");<a name="line.70"></a>
+<span class="sourceLineNo">065</span>    private static boolean secure = false;<a name="line.65"></a>
+<span class="sourceLineNo">066</span>    private static String serverPrincipal = "hbase";<a name="line.66"></a>
+<span class="sourceLineNo">067</span><a name="line.67"></a>
+<span class="sourceLineNo">068</span>    public static void main(String[] args) throws Exception {<a name="line.68"></a>
+<span class="sourceLineNo">069</span><a name="line.69"></a>
+<span class="sourceLineNo">070</span>        if (args.length &lt; 2 || args.length &gt; 4 || (args.length &gt; 2 &amp;&amp; !isBoolean(args[2]))) {<a name="line.70"></a>
 <span class="sourceLineNo">071</span><a name="line.71"></a>
-<span class="sourceLineNo">072</span>            System.exit(-1);<a name="line.72"></a>
-<span class="sourceLineNo">073</span>        }<a name="line.73"></a>
+<span class="sourceLineNo">072</span>            System.out.println("Invalid arguments!");<a name="line.72"></a>
+<span class="sourceLineNo">073</span>            System.out.println("Usage: DemoClient host port [secure=false [server-principal=hbase] ]");<a name="line.73"></a>
 <span class="sourceLineNo">074</span><a name="line.74"></a>
-<span class="sourceLineNo">075</span>        port = Integer.parseInt(args[1]);<a name="line.75"></a>
-<span class="sourceLineNo">076</span>        host = args[0];<a name="line.76"></a>
-<span class="sourceLineNo">077</span>        if (args.length &gt; 2) {<a name="line.77"></a>
-<span class="sourceLineNo">078</span>          secure = Boolean.parseBoolean(args[2]);<a name="line.78"></a>
-<span class="sourceLineNo">079</span>        }<a name="line.79"></a>
-<span class="sourceLineNo">080</span><a name="line.80"></a>
-<span class="sourceLineNo">081</span>        if (args.length == 4) {<a name="line.81"></a>
-<span class="sourceLineNo">082</span>          serverPrincipal = args[3];<a name="line.82"></a>
-<span class="sourceLineNo">083</span>        }<a name="line.83"></a>
-<span class="sourceLineNo">084</span><a name="line.84"></a>
-<span class="sourceLineNo">085</span>        final DemoClient client = new DemoClient();<a name="line.85"></a>
-<span class="sourceLineNo">086</span>        Subject.doAs(getSubject(),<a name="line.86"></a>
-<span class="sourceLineNo">087</span>          new PrivilegedExceptionAction&lt;Void&gt;() {<a name="line.87"></a>
-<span class="sourceLineNo">088</span>            @Override<a name="line.88"></a>
-<span class="sourceLineNo">089</span>            public Void run() throws Exception {<a name="line.89"></a>
-<span class="sourceLineNo">090</span>              client.run();<a name="line.90"></a>
-<span class="sourceLineNo">091</span>              return null;<a name="line.91"></a>
-<span class="sourceLineNo">092</span>            }<a name="line.92"></a>
-<span class="sourceLineNo">093</span>          });<a name="line.93"></a>
-<span class="sourceLineNo">094</span>    }<a name="line.94"></a>
-<span class="sourceLineNo">095</span><a name="line.95"></a>
-<span class="sourceLineNo">096</span>    private static boolean isBoolean(String s){<a name="line.96"></a>
-<span class="sourceLineNo">097</span>      return Boolean.TRUE.toString().equalsIgnoreCase(s) || Boolean.FALSE.toString().equalsIgnoreCase(s);<a name="line.97"></a>
-<span class="sourceLineNo">098</span>    }<a name="line.98"></a>
-<span class="sourceLineNo">099</span><a name="line.99"></a>
-<span class="sourceLineNo">100</span>    DemoClient() {<a name="line.100"></a>
-<span class="sourceLineNo">101</span>        decoder = Charset.forName("UTF-8").newDecoder();<a name="line.101"></a>
-<span class="sourceLineNo">102</span>    }<a name="line.102"></a>
-<span class="sourceLineNo">103</span><a name="line.103"></a>
-<span class="sourceLineNo">104</span>    // Helper to translate byte[]'s to UTF8 strings<a name="line.104"></a>
-<span class="sourceLineNo">105</span>    private String utf8(byte[] buf) {<a name="line.105"></a>
-<span class="sourceLineNo">106</span>        try {<a name="line.106"></a>
-<span class="sourceLineNo">107</span>            return decoder.decode(ByteBuffer.wrap(buf)).toString();<a name="line.107"></a>
-<span class="sourceLineNo">108</span>        } catch (CharacterCodingException e) {<a name="line.108"></a>
-<span class="sourceLineNo">109</span>            return "[INVALID UTF-8]";<a name="line.109"></a>
-<span class="sourceLineNo">110</span>        }<a name="line.110"></a>
-<span class="sourceLineNo">111</span>    }<a name="line.111"></a>
-<span class="sourceLineNo">112</span><a name="line.112"></a>
-<span class="sourceLineNo">113</span>    // Helper to translate strings to UTF8 bytes<a name="line.113"></a>
-<span class="sourceLineNo">114</span>    private byte[] bytes(String s) {<a name="line.114"></a>
-<span class="sourceLineNo">115</span>        try {<a name="line.115"></a>
-<span class="sourceLineNo">116</span>            return s.getBytes("UTF-8");<a name="line.116"></a>
-<span class="sourceLineNo">117</span>        } catch (UnsupportedEncodingException e) {<a name="line.117"></a>
-<span class="sourceLineNo">118</span>            e.printStackTrace();<a name="line.118"></a>
-<span class="sourceLineNo">119</span>            return null;<a name="line.119"></a>
-<span class="sourceLineNo">120</span>        }<a name="line.120"></a>
-<span class="sourceLineNo">121</span>    }<a name="line.121"></a>
-<span class="sourceLineNo">122</span><a name="line.122"></a>
-<span class="sourceLineNo">123</span>    private void run() throws Exception {<a name="line.123"></a>
-<span class="sourceLineNo">124</span>        TTransport transport = new TSocket(host, port);<a name="line.124"></a>
-<span class="sourceLineNo">125</span>        if (secure) {<a name="line.125"></a>
-<span class="sourceLineNo">126</span>          Map&lt;String, String&gt; saslProperties = new HashMap&lt;&gt;();<a name="line.126"></a>
-<span class="sourceLineNo">127</span>          saslProperties.put(Sasl.QOP, "auth-conf,auth-int,auth");<a name="line.127"></a>
-<span class="sourceLineNo">128</span>          /**<a name="line.128"></a>
-<span class="sourceLineNo">129</span>           * The Thrift server the DemoClient is trying to connect to<a name="line.129"></a>
-<span class="sourceLineNo">130</span>           * must have a matching principal, and support authentication.<a name="line.130"></a>
-<span class="sourceLineNo">131</span>           *<a name="line.131"></a>
-<span class="sourceLineNo">132</span>           * The HBase cluster must be secure, allow proxy user.<a name="line.132"></a>
-<span class="sourceLineNo">133</span>           */<a name="line.133"></a>
-<span class="sourceLineNo">134</span>          transport = new TSaslClientTransport("GSSAPI", null,<a name="line.134"></a>
-<span class="sourceLineNo">135</span>            serverPrincipal, // Thrift server user name, should be an authorized proxy user.<a name="line.135"></a>
-<span class="sourceLineNo">136</span>            host, // Thrift server domain<a name="line.136"></a>
-<span class="sourceLineNo">137</span>            saslProperties, null, transport);<a name="line.137"></a>
-<span class="sourceLineNo">138</span>        }<a name="line.138"></a>
-<span class="sourceLineNo">139</span><a name="line.139"></a>
-<span class="sourceLineNo">140</span>        transport.open();<a name="line.140"></a>
-<span class="sourceLineNo">141</span><a name="line.141"></a>
-<span class="sourceLineNo">142</span>        TProtocol protocol = new TBinaryProtocol(transport, true, true);<a name="line.142"></a>
-<span class="sourceLineNo">143</span>        Hbase.Client client = new Hbase.Client(protocol);<a name="line.143"></a>
+<span class="sourceLineNo">075</span>            System.exit(-1);<a name="line.75"></a>
+<span class="sourceLineNo">076</span>        }<a name="line.76"></a>
+<span class="sourceLineNo">077</span><a name="line.77"></a>
+<span class="sourceLineNo">078</span>        port = Integer.parseInt(args[1]);<a name="line.78"></a>
+<span class="sourceLineNo">079</span>        host = args[0];<a name="line.79"></a>
+<span class="sourceLineNo">080</span>        if (args.length &gt; 2) {<a name="line.80"></a>
+<span class="sourceLineNo">081</span>          secure = Boolean.parseBoolean(args[2]);<a name="line.81"></a>
+<span class="sourceLineNo">082</span>        }<a name="line.82"></a>
+<span class="sourceLineNo">083</span><a name="line.83"></a>
+<span class="sourceLineNo">084</span>        if (args.length == 4) {<a name="line.84"></a>
+<span class="sourceLineNo">085</span>          serverPrincipal = args[3];<a name="line.85"></a>
+<span class="sourceLineNo">086</span>        }<a name="line.86"></a>
+<span class="sourceLineNo">087</span><a name="line.87"></a>
+<span class="sourceLineNo">088</span>        final DemoClient client = new DemoClient();<a name="line.88"></a>
+<span class="sourceLineNo">089</span>        Subject.doAs(getSubject(),<a name="line.89"></a>
+<span class="sourceLineNo">090</span>          new PrivilegedExceptionAction&lt;Void&gt;() {<a name="line.90"></a>
+<span class="sourceLineNo">091</span>            @Override<a name="line.91"></a>
+<span class="sourceLineNo">092</span>            public Void run() throws Exception {<a name="line.92"></a>
+<span class="sourceLineNo">093</span>              client.run();<a name="line.93"></a>
+<span class="sourceLineNo">094</span>              return null;<a name="line.94"></a>
+<span class="sourceLineNo">095</span>            }<a name="line.95"></a>
+<span class="sourceLineNo">096</span>          });<a name="line.96"></a>
+<span class="sourceLineNo">097</span>    }<a name="line.97"></a>
+<span class="sourceLineNo">098</span><a name="line.98"></a>
+<span class="sourceLineNo">099</span>    private static boolean isBoolean(String s){<a name="line.99"></a>
+<span class="sourceLineNo">100</span>      return Boolean.TRUE.toString().equalsIgnoreCase(s) || Boolean.FALSE.toString().equalsIgnoreCase(s);<a name="line.100"></a>
+<span class="sourceLineNo">101</span>    }<a name="line.101"></a>
+<span class="sourceLineNo">102</span><a name="line.102"></a>
+<span class="sourceLineNo">103</span>    DemoClient() {<a name="line.103"></a>
+<span class="sourceLineNo">104</span>        decoder = Charset.forName("UTF-8").newDecoder();<a name="line.104"></a>
+<span class="sourceLineNo">105</span>    }<a name="line.105"></a>
+<span class="sourceLineNo">106</span><a name="line.106"></a>
+<span class="sourceLineNo">107</span>    // Helper to translate byte[]'s to UTF8 strings<a name="line.107"></a>
+<span class="sourceLineNo">108</span>    private String utf8(byte[] buf) {<a name="line.108"></a>
+<span class="sourceLineNo">109</span>        try {<a name="line.109"></a>
+<span class="sourceLineNo">110</span>            return decoder.decode(ByteBuffer.wrap(buf)).toString();<a name="line.110"></a>
+<span class="sourceLineNo">111</span>        } catch (CharacterCodingException e) {<a name="line.111"></a>
+<span class="sourceLineNo">112</span>            return "[INVALID UTF-8]";<a name="line.112"></a>
+<span class="sourceLineNo">113</span>        }<a name="line.113"></a>
+<span class="sourceLineNo">114</span>    }<a name="line.114"></a>
+<span class="sourceLineNo">115</span><a name="line.115"></a>
+<span class="sourceLineNo">116</span>  // Helper to translate strings to UTF8 bytes<a name="line.116"></a>
+<span class="sourceLineNo">117</span>  private byte[] bytes(String s) {<a name="line.117"></a>
+<span class="sourceLineNo">118</span>    try {<a name="line.118"></a>
+<span class="sourceLineNo">119</span>      return s.getBytes("UTF-8");<a name="line.119"></a>
+<span class="sourceLineNo">120</span>    } catch (UnsupportedEncodingException e) {<a name="line.120"></a>
+<span class="sourceLineNo">121</span>      LOG.error("CharSetName {} not supported", s, e);<a name="line.121"></a>
+<span class="sourceLineNo">122</span>      return null;<a name="line.122"></a>
+<span class="sourceLineNo">123</span>    }<a name="line.123"></a>
+<span class="sourceLineNo">124</span>  }<a name="line.124"></a>
+<span class="sourceLineNo">125</span><a name="line.125"></a>
+<span class="sourceLineNo">126</span>    private void run() throws Exception {<a name="line.126"></a>
+<span class="sourceLineNo">127</span>        TTransport transport = new TSocket(host, port);<a name="line.127"></a>
+<span class="sourceLineNo">128</span>        if (secure) {<a name="line.128"></a>
+<span class="sourceLineNo">129</span>          Map&lt;String, String&gt; saslProperties = new HashMap&lt;&gt;();<a name="line.129"></a>
+<span class="sourceLineNo">130</span>          saslProperties.put(Sasl.QOP, "auth-conf,auth-int,auth");<a name="line.130"></a>
+<span class="sourceLineNo">131</span>          /**<a name="line.131"></a>
+<span class="sourceLineNo">132</span>           * The Thrift server the DemoClient is trying to connect to<a name="line.132"></a>
+<span class="sourceLineNo">133</span>           * must have a matching principal, and support authentication.<a name="line.133"></a>
+<span class="sourceLineNo">134</span>           *<a name="line.134"></a>
+<span class="sourceLineNo">135</span>           * The HBase cluster must be secure, allow proxy user.<a name="line.135"></a>
+<span class="sourceLineNo">136</span>           */<a name="line.136"></a>
+<span class="sourceLineNo">137</span>          transport = new TSaslClientTransport("GSSAPI", null,<a name="line.137"></a>
+<span class="sourceLineNo">138</span>            serverPrincipal, // Thrift server user name, should be an authorized proxy user.<a name="line.138"></a>
+<span class="sourceLineNo">139</span>            host, // Thrift server domain<a name="line.139"></a>
+<span class="sourceLineNo">140</span>            saslProperties, null, transport);<a name="line.140"></a>
+<span class="sourceLineNo">141</span>        }<a name="line.141"></a>
+<span class="sourceLineNo">142</span><a name="line.142"></a>
+<span class="sourceLineNo">143</span>        transport.open();<a name="line.143"></a>
 <span class="sourceLineNo">144</span><a name="line.144"></a>
-<span class="sourceLineNo">145</span>        byte[] t = bytes("demo_table");<a name="line.145"></a>
-<span class="sourceLineNo">146</span><a name="line.146"></a>
-<span class="sourceLineNo">147</span>        //<a name="line.147"></a>
-<span class="sourceLineNo">148</span>        // Scan all tables, look for the demo table and delete it.<a name="line.148"></a>
-<span class="sourceLineNo">149</span>        //<a name="line.149"></a>
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-<span class="sourceLineNo">151</span>        for (ByteBuffer name : client.getTableNames()) {<a name="line.151"></a>
-<span class="sourceLineNo">152</span>            System.out.println("  found: " + utf8(name.array()));<a name="line.152"></a>
-<span class="sourceLineNo">153</span>            if (utf8(name.array()).equals(utf8(t))) {<a name="line.153"></a>
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-<span class="sourceLineNo">156</span>                    client.disableTable(name);<a name="line.156"></a>
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-<span class="sourceLineNo">188</span>            System.out.println("  column: " + utf8(col2.name.array()) + ", maxVer: " + Integer.toString(col2.maxVersions));<a name="line.188"></a>
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+<span class="sourceLineNo">145</span>        TProtocol protocol = new TBinaryProtocol(transport, true, true);<a name="line.145"></a>
+<span class="sourceLineNo">146</span>        Hbase.Client client = new Hbase.Client(protocol);<a name="line.146"></a>
+<span class="sourceLineNo">147</span><a name="line.147"></a>
+<span class="sourceLineNo">148</span>        byte[] t = bytes("demo_table");<a name="line.148"></a>
+<span class="sourceLineNo">149</span><a name="line.149"></a>
+<span class="sourceLineNo">150</span>        //<a name="line.150"></a>
+<span class="sourceLineNo">151</span>        // Scan all tables, look for the demo table and delete it.<a name="line.151"></a>
+<span class="sourceLineNo">152</span>        //<a name="line.152"></a>
+<span class="sourceLineNo">153</span>        System.out.println("scanning tables...");<a name="line.153"></a>
+<span class="sourceLineNo">154</span>        for (ByteBuffer name : client.getTableNames()) {<a name="line.154"></a>
+<span class="sourceLineNo">155</span>            System.out.println("  found: " + utf8(name.array()));<a name="line.155"></a>
+<span class="sourceLineNo">156</span>            if (utf8(name.array()).equals(utf8(t))) {<a name="line.156"></a>
+<span class="sourceLineNo">157</span>                if (client.isTableEnabled(name)) {<a name="line.157"></a>
+<span class="sourceLineNo">158</span>                    System.out.println("    disabling table: " + utf8(name.array()));<a name="line.158"></a>
+<span class="sourceLineNo">159</span>                    client.disableTable(name);<a name="line.159"></a>
+<span class="sourceLineNo">160</span>                }<a name="line.160"></a>
+<span class="sourceLineNo">161</span>                System.out.println("    deleting table: " + utf8(name.array()));<a name="line.161"></a>
+<span class="sourceLineNo">162</span>                client.deleteTable(name);<a name="line.162"></a>
+<span class="sourceLineNo">163</span>            }<a name="line.163"></a>
+<span class="sourceLineNo">164</span>        }<a name="line.164"></a>
+<span class="sourceLineNo">165</span><a name="line.165"></a>
+<span class="sourceLineNo">166</span>        //<a name="line.166"></a>
+<span class="sourceLineNo">167</span>        // Create the demo table with two column families, entry: and unused:<a name="line.167"></a>
+<span class="sourceLineNo">168</span>        //<a name="line.168"></a>
+<span class="sourceLineNo">169</span>        ArrayList&lt;ColumnDescriptor&gt; columns = new ArrayList&lt;&gt;(2);<a name="line.169"></a>
+<span class="sourceLineNo">170</span>        ColumnDescriptor col;<a name="line.170"></a>
+<span class="sourceLineNo">171</span>        col = new ColumnDescriptor();<a name="line.171"></a>
+<span class="sourceLineNo">172</span>        col.name = ByteBuffer.wrap(bytes("entry:"));<a name="line.172"></a>
+<span class="sourceLineNo">173</span>        col.timeToLive = Integer.MAX_VALUE;<a name="line.173"></a>
+<span class="sourceLineNo">174</span>        col.maxVersions = 10;<a name="line.174"></a>
+<span class="sourceLineNo">175</span>        columns.add(col);<a name="line.175"></a>
+<span class="sourceLineNo">176</span>        col = new ColumnDescriptor();<a name="line.176"></a>
+<span class="sourceLineNo">177</span>        col.name = ByteBuffer.wrap(bytes("unused:"));<a name="line.177"></a>
+<span class="sourceLineNo">178</span>        col.timeToLive = Integer.MAX_VALUE;<a name="line.178"></a>
+<span class="sourceLineNo">179</span>        columns.add(col);<a name="line.179"></a>
+<span class="sourceLineNo">180</span><a name="line.180"></a>
+<span class="sourceLineNo">181</span>        System.out.println("creating table: " + utf8(t));<a name="line.181"></a>
+<span class="sourceLineNo">182</span>        try {<a name="line.182"></a>
+<span class="sourceLineNo">183</span>            client.createTable(ByteBuffer.wrap(t), columns);<a name="line.183"></a>
+<span class="sourceLineNo">184</span>        } catch (AlreadyExists ae) {<a name="line.184"></a>
+<span class="sourceLineNo">185</span>            System.out.println("WARN: " + ae.message);<a name="line.185"></a>
+<span class="sourceLineNo">186</span>        }<a name="line.186"></a>
+<span class="sourceLineNo">187</span><a name="line.187"></a>
+<span class="sourceLineNo">188</span>        System.out.println("column families in " + utf8(t) + ": ");<a name="line.188"></a>
+<span class="sourceLineNo">189</span>        Map&lt;ByteBuffer, ColumnDescriptor&gt; columnMap = client.getColumnDescriptors(ByteBuffer.wrap(t));<a name="line.189"></a>
+<span class="sourceLineNo">190</span>        for (ColumnDescriptor col2 : columnMap.values()) {<a name="line.190"></a>
+<span class="sourceLineNo">191</span>            System.out.println("  column: " + utf8(col2.name.array()) + ", maxVer: " + Integer.toString(col2.maxVersions));<a name="line.191"></a>
+<span class="sourceLineNo">192</span>        }<a name="line.192"></a>
 <span class="sourceLineNo">193</span><a name="line.193"></a>
-<span class="sourceLineNo">194</span>        //<a name="line.194"></a>
-<span class="sourceLineNo">195</span>        // Test UTF-8 handling<a name="line.195"></a>
-<span class="sourceLineNo">196</span>        //<a name="line.196"></a>
-<span class="sourceLineNo">197</span>        byte[] invalid = {(byte) 'f', (byte) 'o', (byte) 'o', (byte) '-',<a name="line.197"></a>
-<span class="sourceLineNo">198</span>            (byte) 0xfc, (byte) 0xa1, (byte) 0xa1, (byte) 0xa1, (byte) 0xa1};<a name="line.198"></a>
-<span class="sourceLineNo">199</span>        byte[] valid = {(byte) 'f', (byte) 'o', (byte) 'o', (byte) '-',<a name="line.199"></a>
-<span class="sourceLineNo">200</span>            (byte) 0xE7, (byte) 0x94, (byte) 0x9F, (byte) 0xE3, (byte) 0x83,<a name="line.200"></a>
-<span class="sourceLineNo">201</span>            (byte) 0x93, (byte) 0xE3, (byte) 0x83, (byte) 0xBC, (byte) 0xE3,<a name="line.201"></a>
-<span class="sourceLineNo">202</span>            (byte) 0x83, (byte) 0xAB};<a name="line.202"></a>
-<span class="sourceLineNo">203</span><a name="line.203"></a>
-<span class="sourceLineNo">204</span>        ArrayList&lt;Mutation&gt; mutations;<a name="line.204"></a>
-<span class="sourceLineNo">205</span>        // non-utf8 is fine for data<a name="line.205"></a>
-<span class="sourceLineNo">206</span>        mutations = new ArrayList&lt;&gt;(1);<a name="line.206"></a>
-<span class="sourceLineNo">207</span>        mutations.add(new Mutation(false, ByteBuffer.wrap(bytes("entry:foo")),<a name="line.207"></a>
-<span class="sourceLineNo">208</span>            ByteBuffer.wrap(invalid), writeToWal));<a name="line.208"></a>
-<span class="sourceLineNo">209</span>        client.mutateRow(ByteBuffer.wrap(t), ByteBuffer.wrap(bytes("foo")),<a name="line.209"></a>
-<span class="sourceLineNo">210</span>            mutations, dummyAttributes);<a name="line.210"></a>
-<span class="sourceLineNo">211</span><a name="line.211"></a>
-<span class="sourceLineNo">212</span><a name="line.212"></a>
-<span class="sourceLineNo">213</span>        // this row name is valid utf8<a name="line.213"></a>
-<span class="sourceLineNo">214</span>        mutations = new ArrayList&lt;&gt;(1);<a name="line.214"></a>
-<span class="sourceLineNo">215</span>        mutations.add(new Mutation(false, ByteBuffer.wrap(bytes("entry:foo")), ByteBuffer.wrap(valid), writeToWal));<a name="line.215"></a>
-<span class="sourceLineNo">216</span>        client.mutateRow(ByteBuffer.wrap(t), ByteBuffer.wrap(valid), mutations, dummyAttributes);<a name="line.216"></a>
-<span class="sourceLineNo">217</span><a name="line.217"></a>
-<span class="sourceLineNo">218</span>        // non-utf8 is now allowed in row names because HBase stores values as binary<a name="line.218"></a>
-<span class="sourceLineNo">219</span><a name="line.219"></a>
-<span class="sourceLineNo">220</span>        mutations = new ArrayList&lt;&gt;(1);<a name="line.220"></a>
-<span class="sourceLineNo">221</span>        mutations.add(new Mutation(false, ByteBuffer.wrap(bytes("entry:foo")), ByteBuffer.wrap(invalid), writeToWal));<a name="line.221"></a>
-<span class="sourceLineNo">222</span>        client.mutateRow(ByteBuffer.wrap(t), ByteBuffer.wrap(invalid), mutations, dummyAttributes);<a name="line.222"></a>
-<span class="sourceLineNo">223</span><a name="line.223"></a>
-<span class="sourceLineNo">224</span><a name="line.224"></a>
-<span class="sourceLineNo">225</span>        // Run a scanner on the rows we just created<a name="line.225"></a>
-<span class="sourceLineNo">226</span>        ArrayList&lt;ByteBuffer&gt; columnNames = new ArrayList&lt;&gt;();<a name="line.226"></a>
-<span class="sourceLineNo">227</span>        columnNames.add(ByteBuffer.wrap(bytes("entry:")));<a name="line.227"></a>
-<span class="sourceLineNo">228</span><a name="line.228"></a>
-<span class="sourceLineNo">229</span>        System.out.println("Starting scanner...");<a name="line.229"></a>
-<span class="sourceLineNo">230</span>        int scanner = client.scannerOpen(ByteBuffer.wrap(t), ByteBuffer.wrap(bytes("")), columnNames, dummyAttributes);<a name="line.230"></a>
+<span class="sourceLineNo">194</span>        Map&lt;ByteBuffer, ByteBuffer&gt; dummyAttributes = null;<a name="line.194"></a>
+<span class="sourceLineNo">195</span>        boolean writeToWal = false;<a name="line.195"></a>
+<span class="sourceLineNo">196</span><a name="line.196"></a>
+<span class="sourceLineNo">197</span>        //<a name="line.197"></a>
+<span class="sourceLineNo">198</span>        // Test UTF-8 handling<a name="line.198"></a>
+<span class="sourceLineNo">199</span>        //<a name="line.199"></a>
+<span class="sourceLineNo">200</span>        byte[] invalid = {(byte) 'f', (byte) 'o', (byte) 'o', (byte) '-',<a name="line.200"></a>
+<span class="sourceLineNo">201</span>            (byte) 0xfc, (byte) 0xa1, (byte) 0xa1, (byte) 0xa1, (byte) 0xa1};<a name="line.201"></a>
+<span class="sourceLineNo">202</span>        byte[] valid = {(byte) 'f', (byte) 'o', (byte) 'o', (byte) '-',<a name="line.202"></a>
+<span class="sourceLineNo">203</span>            (byte) 0xE7, (byte) 0x94, (byte) 0x9F, (byte) 0xE3, (byte) 0x83,<a name="line.203"></a>
+<span class="sourceLineNo">204</span>            (byte) 0x93, (byte) 0xE3, (byte) 0x83, (byte) 0xBC, (byte) 0xE3,<a name="line.204"></a>
+<span class="sourceLineNo">205</span>            (byte) 0x83, (byte) 0xAB};<a name="line.205"></a>
+<span class="sourceLineNo">206</span><a name="line.206"></a>
+<span class="sourceLineNo">207</span>        ArrayList&lt;Mutation&gt; mutations;<a name="line.207"></a>
+<span class="sourceLineNo">208</span>        // non-utf8 is fine for data<a name="line.208"></a>
+<span class="sourceLineNo">209</span>        mutations = new ArrayList&lt;&gt;(1);<a name="line.209"></a>
+<span class="sourceLineNo">210</span>        mutations.add(new Mutation(false, ByteBuffer.wrap(bytes("entry:foo")),<a name="line.210"></a>
+<span class="sourceLineNo">211</span>            ByteBuffer.wrap(invalid), writeToWal));<a name="line.211"></a>
+<span class="sourceLineNo">212</span>        client.mutateRow(ByteBuffer.wrap(t), ByteBuffer.wrap(bytes("foo")),<a name="line.212"></a>
+<span class="sourceLineNo">213</span>            mutations, dummyAttributes);<a name="line.213"></a>
+<span class="sourceLineNo">214</span><a name="line.214"></a>
+<span class="sourceLineNo">215</span><a name="line.215"></a>
+<span class="sourceLineNo">216</span>        // this row name is valid utf8<a name="line.216"></a>
+<span class="sourceLineNo">217</span>        mutations = new ArrayList&lt;&gt;(1);<a name="line.217"></a>
+<span class="sourceLineNo">218</span>        mutations.add(new Mutation(false, ByteBuffer.wrap(bytes("entry:foo")), ByteBuffer.wrap(valid), writeToWal));<a name="line.218"></a>
+<span class="sourceLineNo">219</span>        client.mutateRow(ByteBuffer.wrap(t), ByteBuffer.wrap(valid), mutations, dummyAttributes);<a name="line.219"></a>
+<span class="sourceLineNo">220</span><a name="line.220"></a>
+<span class="sourceLineNo">221</span>        // non-utf8 is now allowed in row names because HBase stores values as binary<a name="line.221"></a>
+<span class="sourceLineNo">222</span><a name="line.222"></a>
+<span class="sourceLineNo">223</span>        mutations = new ArrayList&lt;&gt;(1);<a name="line.223"></a>
+<span class="sourceLineNo">224</span>        mutations.add(new Mutation(false, ByteBuffer.wrap(bytes("entry:foo")), ByteBuffer.wrap(invalid), writeToWal));<a name="line.224"></a>
+<span class="sourceLineNo">225</span>        client.mutateRow(ByteBuffer.wrap(t), ByteBuffer.wrap(invalid), mutations, dummyAttributes);<a name="line.225"></a>
+<span class="sourceLineNo">226</span><a name="line.226"></a>
+<span class="sourceLineNo">227</span><a name="line.227"></a>
+<span class="sourceLineNo">228</span>        // Run a scanner on the rows we just created<a name="line.228"></a>
+<span class="sourceLineNo">229</span>        ArrayList&lt;ByteBuffer&gt; columnNames = new ArrayList&lt;&gt;();<a name="line.229"></a>
+<span class="sourceLineNo">230</span>        columnNames.add(ByteBuffer.wrap(bytes("entry:")));<a name="line.230"></a>
 <span class="sourceLineNo">231</span><a name="line.231"></a>
-<span class="sourceLineNo">232</span>        while (true) {<a name="line.232"></a>
-<span class="sourceLineNo">233</span>            List&lt;TRowResult&gt; entry = client.scannerGet(scanner);<a name="line.233"></a>
-<span class="sourceLineNo">234</span>            if (entry.isEmpty()) {<a name="line.234"></a>
-<span class="sourceLineNo">235</span>                break;<a name="line.235"></a>
-<span class="sourceLineNo">236</span>            }<a name="line.236"></a>
-<span class="sourceLineNo">237</span>            printRow(entry);<a name="line.237"></a>
-<span class="sourceLineNo">238</span>        }<a name="line.238"></a>
-<span class="sourceLineNo">239</span><a name="line.239"></a>
-<span class="sourceLineNo">240</span>        //<a name="line.240"></a>
-<span class="sourceLineNo">241</span>        // Run some operations on a bunch of rows<a name="line.241"></a>
-<span class="sourceLineNo">242</span>        //<a name="line.242"></a>
-<span class="sourceLineNo">243</span>        for (int i = 100; i &gt;= 0; --i) {<a name="line.243"></a>
-<span class="sourceLineNo">244</span>            // format row keys as "00000" to "00100"<a name="line.244"></a>
-<span class="sourceLineNo">245</span>            NumberFormat nf = NumberFormat.getInstance();<a name="line.245"></a>
-<span class="sourceLineNo">246</span>            nf.setMinimumIntegerDigits(5);<a name="line.246"></a>
-<span class="sourceLineNo">247</span>            nf.setGroupingUsed(false);<a name="line.247"></a>
-<span class="sourceLineNo">248</span>            byte[] row = bytes(nf.format(i));<a name="line.248"></a>
-<span class="sourceLineNo">249</span><a name="line.249"></a>
-<span class="sourceLineNo">250</span>            mutations = new ArrayList&lt;&gt;(1);<a name="line.250"></a>
-<span class="sourceLineNo">251</span>            mutations.add(new Mutation(false, ByteBuffer.wrap(bytes("unused:")), ByteBuffer.wrap(bytes("DELETE_ME")), writeToWal));<a name="line.251"></a>
-<span class="sourceLineNo">252</span>            client.mutateRow(ByteBuffer.wrap(t), ByteBuffer.wrap(row), mutations, dummyAttributes);<a name="line.252"></a>
-<span class="sourceLineNo">253</span>            printRow(client.getRow(ByteBuffer.wrap(t), ByteBuffer.wrap(row), dummyAttributes));<a name="line.253"></a>
-<span class="sourceLineNo">254</span>            client.deleteAllRow(ByteBuffer.wrap(t), ByteBuffer.wrap(row), dummyAttributes);<a name="line.254"></a>
-<span class="sourceLineNo">255</span><a name="line.255"></a>
-<span class="sourceLineNo">256</span>            // sleep to force later timestamp<a name="line.256"></a>
-<span class="sourceLineNo">257</span>            try {<a name="line.257"></a>
-<span class="sourceLineNo">258</span>                Thread.sleep(50);<a name="line.258"></a>
-<span class="sourceLineNo">259</span>            } catch (InterruptedException e) {<a name="line.259"></a>
-<span class="sourceLineNo">260</span>                // no-op<a name="line.260"></a>
-<span class="sourceLineNo">261</span>            }<a name="line.261"></a>
-<span class="sourceLineNo">262</span><a name="line.262"></a>
-<span class="sourceLineNo">263</span>            mutations = new ArrayList&lt;&gt;(2);<a name="line.263"></a>
-<span class="sourceLineNo">264</span>            mutations.add(new Mutation(false, ByteBuffer.wrap(bytes("entry:num")), ByteBuffer.wrap(bytes("0")), writeToWal));<a name="line.264"></a>
-<span class="sourceLineNo">265</span>            mutations.add(new Mutation(false, ByteBuffer.wrap(bytes("entry:foo")), ByteBuffer.wrap(bytes("FOO")), writeToWal));<a name="line.265"></a>
-<span class="sourceLineNo">266</span>            client.mutateRow(ByteBuffer.wrap(t), ByteBuffer.wrap(row), mutations, dummyAttributes);<a name="line.266"></a>
-<span class="sourceLineNo">267</span>            printRow(client.getRow(ByteBuffer.wrap(t), ByteBuffer.wrap(row), dummyAttributes));<a name="line.267"></a>
-<span class="sourceLineNo">268</span><a name="line.268"></a>
-<span class="sourceLineNo">269</span>            Mutation m;<a name="line.269"></a>
-<span class="sourceLineNo">270</span>            mutations = new ArrayList&lt;&gt;(2);<a name="line.270"></a>
-<span class="sourceLineNo">271</span>            m = new Mutation();<a name="line.271"></a>
-<span class="sourceLineNo">272</span>            m.column = ByteBuffer.wrap(bytes("entry:foo"));<a name="line.272"></a>
-<span class="sourceLineNo">273</span>            m.isDelete = true;<a name="line.273"></a>
-<span class="sourceLineNo">274</span>            mutations.add(m);<a name="line.274"></a>
-<span class="sourceLineNo">275</span>            m = new Mutation();<a name="line.275"></a>
-<span class="sourceLineNo">276</span>            m.column = ByteBuffer.wrap(bytes("entry:num"));<a name="line.276"></a>
-<span class="sourceLineNo">277</span>            m.value = ByteBuffer.wrap(bytes("-1"));<a name="line.277"></a>
-<span class="sourceLineNo">278</span>            mutations.add(m);<a name="line.278"></a>
-<span class="sourceLineNo">279</span>            client.mutateRow(ByteBuffer.wrap(t), ByteBuffer.wrap(row), mutations, dummyAttributes);<a name="line.279"></a>
-<span class="sourceLineNo">280</span>            printRow(client.getRow(ByteBuffer.wrap(t), ByteBuffer.wrap(row), dummyAttributes));<a name="line.280"></a>
-<span class="sourceLineNo">281</span><a name="line.281"></a>
-<span class="sourceLineNo">282</span>            mutations = new ArrayList&lt;&gt;();<a name="line.282"></a>
-<span class="sourceLineNo">283</span>            mutations.add(new Mutation(false, ByteBuffer.wrap(bytes("entry:num")), ByteBuffer.wrap(bytes(Integer.toString(i))), writeToWal));<a name="line.283"></a>
-<span class="sourceLineNo">284</span>            mutations.add(new Mutation(false, ByteBuffer.wrap(bytes("entry:sqr")), ByteBuffer.wrap(bytes(Integer.toString(i * i))), writeToWal));<a name="line.284"></a>
-<span class="sourceLineNo">285</span>            client.mutateRow(ByteBuffer.wrap(t), ByteBuffer.wrap(row), mutations, dummyAttributes);<a name="line.285"></a>
-<span class="sourceLineNo">286</span>            printRow(client.getRow(ByteBuffer.wrap(t), ByteBuffer.wrap(row), dummyAttributes));<a name="line.286"></a>
-<span class="sourceLineNo">287</span><a name="line.287"></a>
-<span class="sourceLineNo">288</span>            // sleep to force later timestamp<a name="line.288"></a>
-<span class="sourceLineNo">289</span>            try {<a name="line.289"></a>
-<span class="sourceLineNo">290</span>                Thread.sleep(50);<a name="line.290"></a>
-<span class="sourceLineNo">291</span>            } catch (InterruptedException e) {<a name="line.291"></a>
-<span class="sourceLineNo">292</span>                // no-op<a name="line.292"></a>
-<span class="sourceLineNo">293</span>            }<a name="line.293"></a>
-<span class="sourceLineNo">294</span><a name="line.294"></a>
-<span class="sourceLineNo">295</span>            mutations.clear();<a name="line.295"></a>
-<span class="sourceLineNo">296</span>            m = new Mutation();<a name="line.296"></a>
-<span class="sourceLineNo">297</span>            m.column = ByteBuffer.wrap(bytes("entry:num"));<a name="line.297"></a>
-<span class="sourceLineNo">298</span>            m.value= ByteBuffer.wrap(bytes("-999"));<a name="line.298"></a>
-<span class="sourceLineNo">299</span>            mutations.add(m);<a name="line.299"></a>
-<span class="sourceLineNo">300</span>            m = new Mutation();<a name="line.300"></a>
-<span class="sourceLineNo">301</span>            m.column = ByteBuffer.wrap(bytes("entry:sqr"));<a name="line.301"></a>
-<span class="sourceLineNo">302</span>            m.isDelete = true;<a name="line.302"></a>
-<span class="sourceLineNo">303</span>            client.mutateRowTs(ByteBuffer.wrap(t), ByteBuffer.wrap(row), mutations, 1, dummyAttributes); // shouldn't override latest<a name="line.303"></a>
-<span class="sourceLineNo">304</span>            printRow(client.getRow(ByteBuffer.wrap(t), ByteBuffer.wrap(row), dummyAttributes));<a name="line.304"></a>
-<span class="sourceLineNo">305</span><a name="line.305"></a>
-<span class="sourceLineNo">306</span>            List&lt;TCell&gt; versions = client.getVer(ByteBuffer.wrap(t), ByteBuffer.wrap(row), ByteBuffer.wrap(bytes("entry:num")), 10, dummyAttributes);<a name="line.306"></a>
-<span class="sourceLineNo">307</span>            printVersions(ByteBuffer.wrap(row), versions);<a name="line.307"></a>
-<span class="sourceLineNo">308</span>            if (versions.isEmpty()) {<a name="line.308"></a>
-<span class="sourceLineNo">309</span>                System.out.println("FATAL: wrong # of versions");<a name="line.309"></a>
-<span class="sourceLineNo">310</span>                System.exit(-1);<a name="line.310"></a>
-<span class="sourceLineNo">311</span>            }<a name="line.311"></a>
-<span class="sourceLineNo">312</span><a name="line.312"></a>
-<span class="sourceLineNo">313</span>            List&lt;TCell&gt; result = client.get(ByteBuffer.wrap(t), ByteBuffer.wrap(row), ByteBuffer.wrap(bytes("entry:foo")), dummyAttributes);<a name="line.313"></a>
-<span class="sourceLineNo">314</span>            if (!result.isEmpty()) {<a name="line.314"></a>
-<span class="sourceLineNo">315</span>                System.out.println("FATAL: shouldn't get here");<a name="line.315"></a>
-<span class="sourceLineNo">316</span>                System.exit(-1);<a name="line.316"></a>
-<span class="sourceLineNo">317</span>            }<a name="line.317"></a>
-<span class="sourceLineNo">318</span><a name="line.318"></a>
-<span class="sourceLineNo">319</span>            System.out.println("");<a name="line.319"></a>
-<span class="sourceLineNo">320</span>        }<a name="line.320"></a>
+<span class="sourceLineNo">232</span>        System.out.println("Starting scanner...");<a name="line.232"></a>
+<span class="sourceLineNo">233</span>        int scanner = client.scannerOpen(ByteBuffer.wrap(t), ByteBuffer.wrap(bytes("")), columnNames, dummyAttributes);<a name="line.233"></a>
+<span class="sourceLineNo">234</span><a name="line.234"></a>
+<span class="sourceLineNo">235</span>        while (true) {<a name="line.235"></a>
+<span class="sourceLineNo">236</span>            List&lt;TRowResult&gt; entry = client.scannerGet(scanner);<a name="line.236"></a>
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