http://git-wip-us.apache.org/repos/asf/hbase-site/blob/22cff34f/apidocs/src-html/org/apache/hadoop/hbase/client/ResultScanner.html ---------------------------------------------------------------------- diff --git a/apidocs/src-html/org/apache/hadoop/hbase/client/ResultScanner.html b/apidocs/src-html/org/apache/hadoop/hbase/client/ResultScanner.html index d9a4a9a..943ce05 100644 --- a/apidocs/src-html/org/apache/hadoop/hbase/client/ResultScanner.html +++ b/apidocs/src-html/org/apache/hadoop/hbase/client/ResultScanner.html @@ -35,96 +35,102 @@ <span class="sourceLineNo">027</span><a name="line.27"></a> <span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.classification.InterfaceAudience;<a name="line.28"></a> <span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.classification.InterfaceStability;<a name="line.29"></a> -<span class="sourceLineNo">030</span><a name="line.30"></a> -<span class="sourceLineNo">031</span>/**<a name="line.31"></a> -<span class="sourceLineNo">032</span> * Interface for client-side scanning. Go to {@link Table} to obtain instances.<a name="line.32"></a> -<span class="sourceLineNo">033</span> */<a name="line.33"></a> -<span class="sourceLineNo">034</span>@InterfaceAudience.Public<a name="line.34"></a> -<span class="sourceLineNo">035</span>@InterfaceStability.Stable<a name="line.35"></a> -<span class="sourceLineNo">036</span>public interface ResultScanner extends Closeable, Iterable<Result> {<a name="line.36"></a> -<span class="sourceLineNo">037</span><a name="line.37"></a> -<span class="sourceLineNo">038</span> @Override<a name="line.38"></a> -<span class="sourceLineNo">039</span> default Iterator<Result> iterator() {<a name="line.39"></a> -<span class="sourceLineNo">040</span> return new Iterator<Result>() {<a name="line.40"></a> -<span class="sourceLineNo">041</span> // The next RowResult, possibly pre-read<a name="line.41"></a> -<span class="sourceLineNo">042</span> Result next = null;<a name="line.42"></a> -<span class="sourceLineNo">043</span><a name="line.43"></a> -<span class="sourceLineNo">044</span> // return true if there is another item pending, false if there isn't.<a name="line.44"></a> -<span class="sourceLineNo">045</span> // this method is where the actual advancing takes place, but you need<a name="line.45"></a> -<span class="sourceLineNo">046</span> // to call next() to consume it. hasNext() will only advance if there<a name="line.46"></a> -<span class="sourceLineNo">047</span> // isn't a pending next().<a name="line.47"></a> -<span class="sourceLineNo">048</span> @Override<a name="line.48"></a> -<span class="sourceLineNo">049</span> public boolean hasNext() {<a name="line.49"></a> -<span class="sourceLineNo">050</span> if (next != null) {<a name="line.50"></a> -<span class="sourceLineNo">051</span> return true;<a name="line.51"></a> -<span class="sourceLineNo">052</span> }<a name="line.52"></a> -<span class="sourceLineNo">053</span> try {<a name="line.53"></a> -<span class="sourceLineNo">054</span> return (next = ResultScanner.this.next()) != null;<a name="line.54"></a> -<span class="sourceLineNo">055</span> } catch (IOException e) {<a name="line.55"></a> -<span class="sourceLineNo">056</span> throw new UncheckedIOException(e);<a name="line.56"></a> -<span class="sourceLineNo">057</span> }<a name="line.57"></a> -<span class="sourceLineNo">058</span> }<a name="line.58"></a> -<span class="sourceLineNo">059</span><a name="line.59"></a> -<span class="sourceLineNo">060</span> // get the pending next item and advance the iterator. returns null if<a name="line.60"></a> -<span class="sourceLineNo">061</span> // there is no next item.<a name="line.61"></a> -<span class="sourceLineNo">062</span> @Override<a name="line.62"></a> -<span class="sourceLineNo">063</span> public Result next() {<a name="line.63"></a> -<span class="sourceLineNo">064</span> // since hasNext() does the real advancing, we call this to determine<a name="line.64"></a> -<span class="sourceLineNo">065</span> // if there is a next before proceeding.<a name="line.65"></a> -<span class="sourceLineNo">066</span> if (!hasNext()) {<a name="line.66"></a> -<span class="sourceLineNo">067</span> return null;<a name="line.67"></a> -<span class="sourceLineNo">068</span> }<a name="line.68"></a> -<span class="sourceLineNo">069</span><a name="line.69"></a> -<span class="sourceLineNo">070</span> // if we get to here, then hasNext() has given us an item to return.<a name="line.70"></a> -<span class="sourceLineNo">071</span> // we want to return the item and then null out the next pointer, so<a name="line.71"></a> -<span class="sourceLineNo">072</span> // we use a temporary variable.<a name="line.72"></a> -<span class="sourceLineNo">073</span> Result temp = next;<a name="line.73"></a> -<span class="sourceLineNo">074</span> next = null;<a name="line.74"></a> -<span class="sourceLineNo">075</span> return temp;<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> }<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> * Grab the next row's worth of values. The scanner will return a Result.<a name="line.81"></a> -<span class="sourceLineNo">082</span> * @return Result object if there is another row, null if the scanner is exhausted.<a name="line.82"></a> -<span class="sourceLineNo">083</span> * @throws IOException e<a name="line.83"></a> -<span class="sourceLineNo">084</span> */<a name="line.84"></a> -<span class="sourceLineNo">085</span> Result next() throws IOException;<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> * Get nbRows rows. How many RPCs are made is determined by the {@link Scan#setCaching(int)}<a name="line.88"></a> -<span class="sourceLineNo">089</span> * setting (or hbase.client.scanner.caching in hbase-site.xml).<a name="line.89"></a> -<span class="sourceLineNo">090</span> * @param nbRows number of rows to return<a name="line.90"></a> -<span class="sourceLineNo">091</span> * @return Between zero and nbRows rowResults. Scan is done if returned array is of zero-length<a name="line.91"></a> -<span class="sourceLineNo">092</span> * (We never return null).<a name="line.92"></a> -<span class="sourceLineNo">093</span> * @throws IOException<a name="line.93"></a> -<span class="sourceLineNo">094</span> */<a name="line.94"></a> -<span class="sourceLineNo">095</span> default Result[] next(int nbRows) throws IOException {<a name="line.95"></a> -<span class="sourceLineNo">096</span> List<Result> resultSets = new ArrayList<>(nbRows);<a name="line.96"></a> -<span class="sourceLineNo">097</span> for (int i = 0; i < nbRows; i++) {<a name="line.97"></a> -<span class="sourceLineNo">098</span> Result next = next();<a name="line.98"></a> -<span class="sourceLineNo">099</span> if (next != null) {<a name="line.99"></a> -<span class="sourceLineNo">100</span> resultSets.add(next);<a name="line.100"></a> -<span class="sourceLineNo">101</span> } else {<a name="line.101"></a> -<span class="sourceLineNo">102</span> break;<a name="line.102"></a> -<span class="sourceLineNo">103</span> }<a name="line.103"></a> -<span class="sourceLineNo">104</span> }<a name="line.104"></a> -<span class="sourceLineNo">105</span> return resultSets.toArray(new Result[0]);<a name="line.105"></a> -<span class="sourceLineNo">106</span> }<a name="line.106"></a> -<span class="sourceLineNo">107</span><a name="line.107"></a> -<span class="sourceLineNo">108</span> /**<a name="line.108"></a> -<span class="sourceLineNo">109</span> * Closes the scanner and releases any resources it has allocated<a name="line.109"></a> -<span class="sourceLineNo">110</span> */<a name="line.110"></a> -<span class="sourceLineNo">111</span> @Override<a name="line.111"></a> -<span class="sourceLineNo">112</span> void close();<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> * Allow the client to renew the scanner's lease on the server.<a name="line.115"></a> -<span class="sourceLineNo">116</span> * @return true if the lease was successfully renewed, false otherwise.<a name="line.116"></a> -<span class="sourceLineNo">117</span> */<a name="line.117"></a> -<span class="sourceLineNo">118</span> boolean renewLease();<a name="line.118"></a> -<span class="sourceLineNo">119</span>}<a name="line.119"></a> +<span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.client.metrics.ScanMetrics;<a name="line.30"></a> +<span class="sourceLineNo">031</span><a name="line.31"></a> +<span class="sourceLineNo">032</span>/**<a name="line.32"></a> +<span class="sourceLineNo">033</span> * Interface for client-side scanning. Go to {@link Table} to obtain instances.<a name="line.33"></a> +<span class="sourceLineNo">034</span> */<a name="line.34"></a> +<span class="sourceLineNo">035</span>@InterfaceAudience.Public<a name="line.35"></a> +<span class="sourceLineNo">036</span>@InterfaceStability.Stable<a name="line.36"></a> +<span class="sourceLineNo">037</span>public interface ResultScanner extends Closeable, Iterable<Result> {<a name="line.37"></a> +<span class="sourceLineNo">038</span><a name="line.38"></a> +<span class="sourceLineNo">039</span> @Override<a name="line.39"></a> +<span class="sourceLineNo">040</span> default Iterator<Result> iterator() {<a name="line.40"></a> +<span class="sourceLineNo">041</span> return new Iterator<Result>() {<a name="line.41"></a> +<span class="sourceLineNo">042</span> // The next RowResult, possibly pre-read<a name="line.42"></a> +<span class="sourceLineNo">043</span> Result next = null;<a name="line.43"></a> +<span class="sourceLineNo">044</span><a name="line.44"></a> +<span class="sourceLineNo">045</span> // return true if there is another item pending, false if there isn't.<a name="line.45"></a> +<span class="sourceLineNo">046</span> // this method is where the actual advancing takes place, but you need<a name="line.46"></a> +<span class="sourceLineNo">047</span> // to call next() to consume it. hasNext() will only advance if there<a name="line.47"></a> +<span class="sourceLineNo">048</span> // isn't a pending next().<a name="line.48"></a> +<span class="sourceLineNo">049</span> @Override<a name="line.49"></a> +<span class="sourceLineNo">050</span> public boolean hasNext() {<a name="line.50"></a> +<span class="sourceLineNo">051</span> if (next != null) {<a name="line.51"></a> +<span class="sourceLineNo">052</span> return true;<a name="line.52"></a> +<span class="sourceLineNo">053</span> }<a name="line.53"></a> +<span class="sourceLineNo">054</span> try {<a name="line.54"></a> +<span class="sourceLineNo">055</span> return (next = ResultScanner.this.next()) != null;<a name="line.55"></a> +<span class="sourceLineNo">056</span> } catch (IOException e) {<a name="line.56"></a> +<span class="sourceLineNo">057</span> throw new UncheckedIOException(e);<a name="line.57"></a> +<span class="sourceLineNo">058</span> }<a name="line.58"></a> +<span class="sourceLineNo">059</span> }<a name="line.59"></a> +<span class="sourceLineNo">060</span><a name="line.60"></a> +<span class="sourceLineNo">061</span> // get the pending next item and advance the iterator. returns null if<a name="line.61"></a> +<span class="sourceLineNo">062</span> // there is no next item.<a name="line.62"></a> +<span class="sourceLineNo">063</span> @Override<a name="line.63"></a> +<span class="sourceLineNo">064</span> public Result next() {<a name="line.64"></a> +<span class="sourceLineNo">065</span> // since hasNext() does the real advancing, we call this to determine<a name="line.65"></a> +<span class="sourceLineNo">066</span> // if there is a next before proceeding.<a name="line.66"></a> +<span class="sourceLineNo">067</span> if (!hasNext()) {<a name="line.67"></a> +<span class="sourceLineNo">068</span> return null;<a name="line.68"></a> +<span class="sourceLineNo">069</span> }<a name="line.69"></a> +<span class="sourceLineNo">070</span><a name="line.70"></a> +<span class="sourceLineNo">071</span> // if we get to here, then hasNext() has given us an item to return.<a name="line.71"></a> +<span class="sourceLineNo">072</span> // we want to return the item and then null out the next pointer, so<a name="line.72"></a> +<span class="sourceLineNo">073</span> // we use a temporary variable.<a name="line.73"></a> +<span class="sourceLineNo">074</span> Result temp = next;<a name="line.74"></a> +<span class="sourceLineNo">075</span> next = null;<a name="line.75"></a> +<span class="sourceLineNo">076</span> return temp;<a name="line.76"></a> +<span class="sourceLineNo">077</span> }<a name="line.77"></a> +<span class="sourceLineNo">078</span> };<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> /**<a name="line.81"></a> +<span class="sourceLineNo">082</span> * Grab the next row's worth of values. The scanner will return a Result.<a name="line.82"></a> +<span class="sourceLineNo">083</span> * @return Result object if there is another row, null if the scanner is exhausted.<a name="line.83"></a> +<span class="sourceLineNo">084</span> * @throws IOException e<a name="line.84"></a> +<span class="sourceLineNo">085</span> */<a name="line.85"></a> +<span class="sourceLineNo">086</span> Result next() throws IOException;<a name="line.86"></a> +<span class="sourceLineNo">087</span><a name="line.87"></a> +<span class="sourceLineNo">088</span> /**<a name="line.88"></a> +<span class="sourceLineNo">089</span> * Get nbRows rows. How many RPCs are made is determined by the {@link Scan#setCaching(int)}<a name="line.89"></a> +<span class="sourceLineNo">090</span> * setting (or hbase.client.scanner.caching in hbase-site.xml).<a name="line.90"></a> +<span class="sourceLineNo">091</span> * @param nbRows number of rows to return<a name="line.91"></a> +<span class="sourceLineNo">092</span> * @return Between zero and nbRows rowResults. Scan is done if returned array is of zero-length<a name="line.92"></a> +<span class="sourceLineNo">093</span> * (We never return null).<a name="line.93"></a> +<span class="sourceLineNo">094</span> * @throws IOException<a name="line.94"></a> +<span class="sourceLineNo">095</span> */<a name="line.95"></a> +<span class="sourceLineNo">096</span> default Result[] next(int nbRows) throws IOException {<a name="line.96"></a> +<span class="sourceLineNo">097</span> List<Result> resultSets = new ArrayList<>(nbRows);<a name="line.97"></a> +<span class="sourceLineNo">098</span> for (int i = 0; i < nbRows; i++) {<a name="line.98"></a> +<span class="sourceLineNo">099</span> Result next = next();<a name="line.99"></a> +<span class="sourceLineNo">100</span> if (next != null) {<a name="line.100"></a> +<span class="sourceLineNo">101</span> resultSets.add(next);<a name="line.101"></a> +<span class="sourceLineNo">102</span> } else {<a name="line.102"></a> +<span class="sourceLineNo">103</span> break;<a name="line.103"></a> +<span class="sourceLineNo">104</span> }<a name="line.104"></a> +<span class="sourceLineNo">105</span> }<a name="line.105"></a> +<span class="sourceLineNo">106</span> return resultSets.toArray(new Result[0]);<a name="line.106"></a> +<span class="sourceLineNo">107</span> }<a name="line.107"></a> +<span class="sourceLineNo">108</span><a name="line.108"></a> +<span class="sourceLineNo">109</span> /**<a name="line.109"></a> +<span class="sourceLineNo">110</span> * Closes the scanner and releases any resources it has allocated<a name="line.110"></a> +<span class="sourceLineNo">111</span> */<a name="line.111"></a> +<span class="sourceLineNo">112</span> @Override<a name="line.112"></a> +<span class="sourceLineNo">113</span> void close();<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> * Allow the client to renew the scanner's lease on the server.<a name="line.116"></a> +<span class="sourceLineNo">117</span> * @return true if the lease was successfully renewed, false otherwise.<a name="line.117"></a> +<span class="sourceLineNo">118</span> */<a name="line.118"></a> +<span class="sourceLineNo">119</span> boolean renewLease();<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> * @return the scan metrics, or {@code null} if we do not enable metrics.<a name="line.122"></a> +<span class="sourceLineNo">123</span> */<a name="line.123"></a> +<span class="sourceLineNo">124</span> ScanMetrics getScanMetrics();<a name="line.124"></a> +<span class="sourceLineNo">125</span>}<a name="line.125"></a>
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/22cff34f/apidocs/src-html/org/apache/hadoop/hbase/client/RetriesExhaustedWithDetailsException.html ---------------------------------------------------------------------- diff --git a/apidocs/src-html/org/apache/hadoop/hbase/client/RetriesExhaustedWithDetailsException.html b/apidocs/src-html/org/apache/hadoop/hbase/client/RetriesExhaustedWithDetailsException.html index f71660f..523ef01 100644 --- a/apidocs/src-html/org/apache/hadoop/hbase/client/RetriesExhaustedWithDetailsException.html +++ b/apidocs/src-html/org/apache/hadoop/hbase/client/RetriesExhaustedWithDetailsException.html @@ -118,7 +118,7 @@ <span class="sourceLineNo">110</span> String s = getDesc(classifyExs(exceptions));<a name="line.110"></a> <span class="sourceLineNo">111</span> StringBuilder addrs = new StringBuilder(s);<a name="line.111"></a> <span class="sourceLineNo">112</span> addrs.append("servers with issues: ");<a name="line.112"></a> -<span class="sourceLineNo">113</span> Set<String> uniqAddr = new HashSet<String>();<a name="line.113"></a> +<span class="sourceLineNo">113</span> Set<String> uniqAddr = new HashSet<>();<a name="line.113"></a> <span class="sourceLineNo">114</span> uniqAddr.addAll(hostnamePort);<a name="line.114"></a> <span class="sourceLineNo">115</span><a name="line.115"></a> <span class="sourceLineNo">116</span> for(String addr : uniqAddr) {<a name="line.116"></a> @@ -151,7 +151,7 @@ <span class="sourceLineNo">143</span><a name="line.143"></a> <span class="sourceLineNo">144</span><a name="line.144"></a> <span class="sourceLineNo">145</span> public static Map<String, Integer> classifyExs(List<Throwable> ths) {<a name="line.145"></a> -<span class="sourceLineNo">146</span> Map<String, Integer> cls = new HashMap<String, Integer>();<a name="line.146"></a> +<span class="sourceLineNo">146</span> Map<String, Integer> cls = new HashMap<>();<a name="line.146"></a> <span class="sourceLineNo">147</span> for (Throwable t : ths) {<a name="line.147"></a> <span class="sourceLineNo">148</span> if (t == null) continue;<a name="line.148"></a> <span class="sourceLineNo">149</span> String name = "";<a name="line.149"></a>