Repository: hbase-site Updated Branches: refs/heads/asf-site c28bec8eb -> 40477ee92
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/40477ee9/testdevapidocs/src-html/org/apache/hadoop/hbase/procedure2/TestProcedureEvents.TestProcEnv.html ---------------------------------------------------------------------- diff --git a/testdevapidocs/src-html/org/apache/hadoop/hbase/procedure2/TestProcedureEvents.TestProcEnv.html b/testdevapidocs/src-html/org/apache/hadoop/hbase/procedure2/TestProcedureEvents.TestProcEnv.html index cfe0ebc..f1bd6d3 100644 --- a/testdevapidocs/src-html/org/apache/hadoop/hbase/procedure2/TestProcedureEvents.TestProcEnv.html +++ b/testdevapidocs/src-html/org/apache/hadoop/hbase/procedure2/TestProcedureEvents.TestProcEnv.html @@ -88,135 +88,142 @@ <span class="sourceLineNo">080</span> fs.delete(logDir, true);<a name="line.80"></a> <span class="sourceLineNo">081</span> }<a name="line.81"></a> <span class="sourceLineNo">082</span><a name="line.82"></a> -<span class="sourceLineNo">083</span> @Test<a name="line.83"></a> -<span class="sourceLineNo">084</span> public void testTimeoutEventProcedure() throws Exception {<a name="line.84"></a> -<span class="sourceLineNo">085</span> final int NTIMEOUTS = 5;<a name="line.85"></a> -<span class="sourceLineNo">086</span><a name="line.86"></a> -<span class="sourceLineNo">087</span> TestTimeoutEventProcedure proc = new TestTimeoutEventProcedure(500, NTIMEOUTS);<a name="line.87"></a> -<span class="sourceLineNo">088</span> procExecutor.submitProcedure(proc);<a name="line.88"></a> -<span class="sourceLineNo">089</span><a name="line.89"></a> -<span class="sourceLineNo">090</span> ProcedureTestingUtility.waitProcedure(procExecutor, proc.getProcId());<a name="line.90"></a> -<span class="sourceLineNo">091</span> ProcedureTestingUtility.assertIsAbortException(procExecutor.getResult(proc.getProcId()));<a name="line.91"></a> -<span class="sourceLineNo">092</span> assertEquals(NTIMEOUTS + 1, proc.getTimeoutsCount());<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> @Test<a name="line.95"></a> -<span class="sourceLineNo">096</span> public void testTimeoutEventProcedureDoubleExecution() throws Exception {<a name="line.96"></a> -<span class="sourceLineNo">097</span> testTimeoutEventProcedureDoubleExecution(false);<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> @Test<a name="line.100"></a> -<span class="sourceLineNo">101</span> public void testTimeoutEventProcedureDoubleExecutionKillIfSuspended() throws Exception {<a name="line.101"></a> -<span class="sourceLineNo">102</span> testTimeoutEventProcedureDoubleExecution(true);<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> private void testTimeoutEventProcedureDoubleExecution(final boolean killIfSuspended)<a name="line.105"></a> -<span class="sourceLineNo">106</span> throws Exception {<a name="line.106"></a> -<span class="sourceLineNo">107</span> TestTimeoutEventProcedure proc = new TestTimeoutEventProcedure(1000, 3);<a name="line.107"></a> -<span class="sourceLineNo">108</span> ProcedureTestingUtility.setKillAndToggleBeforeStoreUpdate(procExecutor, true);<a name="line.108"></a> -<span class="sourceLineNo">109</span> ProcedureTestingUtility.setKillIfSuspended(procExecutor, killIfSuspended);<a name="line.109"></a> -<span class="sourceLineNo">110</span> long procId = procExecutor.submitProcedure(proc);<a name="line.110"></a> -<span class="sourceLineNo">111</span> ProcedureTestingUtility.testRecoveryAndDoubleExecution(procExecutor, procId, true);<a name="line.111"></a> -<span class="sourceLineNo">112</span> ProcedureTestingUtility.assertIsAbortException(procExecutor.getResult(proc.getProcId()));<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> * This Event+Procedure exhibits following behavior:<a name="line.116"></a> -<span class="sourceLineNo">117</span> * <ul><a name="line.117"></a> -<span class="sourceLineNo">118</span> * <li>On procedure execute()<a name="line.118"></a> -<span class="sourceLineNo">119</span> * <ul><a name="line.119"></a> -<span class="sourceLineNo">120</span> * <li>If had enough timeouts, abort the procedure. Else....</li><a name="line.120"></a> -<span class="sourceLineNo">121</span> * <li>Suspend the event and add self to its suspend queue</li><a name="line.121"></a> -<span class="sourceLineNo">122</span> * <li>Go into waiting state</li><a name="line.122"></a> -<span class="sourceLineNo">123</span> * </ul><a name="line.123"></a> -<span class="sourceLineNo">124</span> * </li><a name="line.124"></a> -<span class="sourceLineNo">125</span> * <li><a name="line.125"></a> -<span class="sourceLineNo">126</span> * On waiting timeout<a name="line.126"></a> -<span class="sourceLineNo">127</span> * <ul><a name="line.127"></a> -<span class="sourceLineNo">128</span> * <li>Wake the event (which adds this procedure back into scheduler queue), and set own's<a name="line.128"></a> -<span class="sourceLineNo">129</span> * state to RUNNABLE (so can be executed again).</li><a name="line.129"></a> +<span class="sourceLineNo">083</span> /**<a name="line.83"></a> +<span class="sourceLineNo">084</span> * Tests being able to suspend a Procedure for N timeouts and then failing.s<a name="line.84"></a> +<span class="sourceLineNo">085</span> * Resets the timeout after each elapses. See {@link TestTimeoutEventProcedure} for example<a name="line.85"></a> +<span class="sourceLineNo">086</span> * of how to do this sort of trickery with the ProcedureExecutor; i.e. suspend for a while,<a name="line.86"></a> +<span class="sourceLineNo">087</span> * check for a condition and if not set, suspend again, etc., ultimately failing or succeeding<a name="line.87"></a> +<span class="sourceLineNo">088</span> * eventually.<a name="line.88"></a> +<span class="sourceLineNo">089</span> */<a name="line.89"></a> +<span class="sourceLineNo">090</span> @Test<a name="line.90"></a> +<span class="sourceLineNo">091</span> public void testTimeoutEventProcedure() throws Exception {<a name="line.91"></a> +<span class="sourceLineNo">092</span> final int NTIMEOUTS = 5;<a name="line.92"></a> +<span class="sourceLineNo">093</span><a name="line.93"></a> +<span class="sourceLineNo">094</span> TestTimeoutEventProcedure proc = new TestTimeoutEventProcedure(500, NTIMEOUTS);<a name="line.94"></a> +<span class="sourceLineNo">095</span> procExecutor.submitProcedure(proc);<a name="line.95"></a> +<span class="sourceLineNo">096</span><a name="line.96"></a> +<span class="sourceLineNo">097</span> ProcedureTestingUtility.waitProcedure(procExecutor, proc.getProcId());<a name="line.97"></a> +<span class="sourceLineNo">098</span> ProcedureTestingUtility.assertIsAbortException(procExecutor.getResult(proc.getProcId()));<a name="line.98"></a> +<span class="sourceLineNo">099</span> assertEquals(NTIMEOUTS + 1, proc.getTimeoutsCount());<a name="line.99"></a> +<span class="sourceLineNo">100</span> }<a name="line.100"></a> +<span class="sourceLineNo">101</span><a name="line.101"></a> +<span class="sourceLineNo">102</span> @Test<a name="line.102"></a> +<span class="sourceLineNo">103</span> public void testTimeoutEventProcedureDoubleExecution() throws Exception {<a name="line.103"></a> +<span class="sourceLineNo">104</span> testTimeoutEventProcedureDoubleExecution(false);<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> @Test<a name="line.107"></a> +<span class="sourceLineNo">108</span> public void testTimeoutEventProcedureDoubleExecutionKillIfSuspended() throws Exception {<a name="line.108"></a> +<span class="sourceLineNo">109</span> testTimeoutEventProcedureDoubleExecution(true);<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> private void testTimeoutEventProcedureDoubleExecution(final boolean killIfSuspended)<a name="line.112"></a> +<span class="sourceLineNo">113</span> throws Exception {<a name="line.113"></a> +<span class="sourceLineNo">114</span> TestTimeoutEventProcedure proc = new TestTimeoutEventProcedure(1000, 3);<a name="line.114"></a> +<span class="sourceLineNo">115</span> ProcedureTestingUtility.setKillAndToggleBeforeStoreUpdate(procExecutor, true);<a name="line.115"></a> +<span class="sourceLineNo">116</span> ProcedureTestingUtility.setKillIfSuspended(procExecutor, killIfSuspended);<a name="line.116"></a> +<span class="sourceLineNo">117</span> long procId = procExecutor.submitProcedure(proc);<a name="line.117"></a> +<span class="sourceLineNo">118</span> ProcedureTestingUtility.testRecoveryAndDoubleExecution(procExecutor, procId, true);<a name="line.118"></a> +<span class="sourceLineNo">119</span> ProcedureTestingUtility.assertIsAbortException(procExecutor.getResult(proc.getProcId()));<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> * This Event+Procedure exhibits following behavior:<a name="line.123"></a> +<span class="sourceLineNo">124</span> * <ul><a name="line.124"></a> +<span class="sourceLineNo">125</span> * <li>On procedure execute()<a name="line.125"></a> +<span class="sourceLineNo">126</span> * <ul><a name="line.126"></a> +<span class="sourceLineNo">127</span> * <li>If had enough timeouts, abort the procedure. Else....</li><a name="line.127"></a> +<span class="sourceLineNo">128</span> * <li>Suspend the event and add self to its suspend queue</li><a name="line.128"></a> +<span class="sourceLineNo">129</span> * <li>Go into waiting state</li><a name="line.129"></a> <span class="sourceLineNo">130</span> * </ul><a name="line.130"></a> <span class="sourceLineNo">131</span> * </li><a name="line.131"></a> -<span class="sourceLineNo">132</span> * </ul><a name="line.132"></a> -<span class="sourceLineNo">133</span> */<a name="line.133"></a> -<span class="sourceLineNo">134</span> public static class TestTimeoutEventProcedure extends NoopProcedure<TestProcEnv> {<a name="line.134"></a> -<span class="sourceLineNo">135</span> private final ProcedureEvent event = new ProcedureEvent("timeout-event");<a name="line.135"></a> -<span class="sourceLineNo">136</span><a name="line.136"></a> -<span class="sourceLineNo">137</span> private final AtomicInteger ntimeouts = new AtomicInteger(0);<a name="line.137"></a> -<span class="sourceLineNo">138</span> private int maxTimeouts = 1;<a name="line.138"></a> -<span class="sourceLineNo">139</span><a name="line.139"></a> -<span class="sourceLineNo">140</span> public TestTimeoutEventProcedure() {}<a name="line.140"></a> -<span class="sourceLineNo">141</span><a name="line.141"></a> -<span class="sourceLineNo">142</span> public TestTimeoutEventProcedure(final int timeoutMsec, final int maxTimeouts) {<a name="line.142"></a> -<span class="sourceLineNo">143</span> this.maxTimeouts = maxTimeouts;<a name="line.143"></a> -<span class="sourceLineNo">144</span> setTimeout(timeoutMsec);<a name="line.144"></a> -<span class="sourceLineNo">145</span> }<a name="line.145"></a> +<span class="sourceLineNo">132</span> * <li><a name="line.132"></a> +<span class="sourceLineNo">133</span> * On waiting timeout<a name="line.133"></a> +<span class="sourceLineNo">134</span> * <ul><a name="line.134"></a> +<span class="sourceLineNo">135</span> * <li>Wake the event (which adds this procedure back into scheduler queue), and set own's<a name="line.135"></a> +<span class="sourceLineNo">136</span> * state to RUNNABLE (so can be executed again).</li><a name="line.136"></a> +<span class="sourceLineNo">137</span> * </ul><a name="line.137"></a> +<span class="sourceLineNo">138</span> * </li><a name="line.138"></a> +<span class="sourceLineNo">139</span> * </ul><a name="line.139"></a> +<span class="sourceLineNo">140</span> */<a name="line.140"></a> +<span class="sourceLineNo">141</span> public static class TestTimeoutEventProcedure extends NoopProcedure<TestProcEnv> {<a name="line.141"></a> +<span class="sourceLineNo">142</span> private final ProcedureEvent event = new ProcedureEvent("timeout-event");<a name="line.142"></a> +<span class="sourceLineNo">143</span><a name="line.143"></a> +<span class="sourceLineNo">144</span> private final AtomicInteger ntimeouts = new AtomicInteger(0);<a name="line.144"></a> +<span class="sourceLineNo">145</span> private int maxTimeouts = 1;<a name="line.145"></a> <span class="sourceLineNo">146</span><a name="line.146"></a> -<span class="sourceLineNo">147</span> public int getTimeoutsCount() {<a name="line.147"></a> -<span class="sourceLineNo">148</span> return ntimeouts.get();<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> @Override<a name="line.151"></a> -<span class="sourceLineNo">152</span> protected Procedure[] execute(final TestProcEnv env) throws ProcedureSuspendedException {<a name="line.152"></a> -<span class="sourceLineNo">153</span> LOG.info("EXECUTE " + this + " ntimeouts=" + ntimeouts);<a name="line.153"></a> -<span class="sourceLineNo">154</span> if (ntimeouts.get() > maxTimeouts) {<a name="line.154"></a> -<span class="sourceLineNo">155</span> setAbortFailure("test", "give up after " + ntimeouts.get());<a name="line.155"></a> -<span class="sourceLineNo">156</span> return null;<a name="line.156"></a> -<span class="sourceLineNo">157</span> }<a name="line.157"></a> -<span class="sourceLineNo">158</span><a name="line.158"></a> -<span class="sourceLineNo">159</span> event.suspend();<a name="line.159"></a> -<span class="sourceLineNo">160</span> if (event.suspendIfNotReady(this)) {<a name="line.160"></a> -<span class="sourceLineNo">161</span> setState(ProcedureState.WAITING_TIMEOUT);<a name="line.161"></a> -<span class="sourceLineNo">162</span> throw new ProcedureSuspendedException();<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> return null;<a name="line.165"></a> -<span class="sourceLineNo">166</span> }<a name="line.166"></a> -<span class="sourceLineNo">167</span><a name="line.167"></a> -<span class="sourceLineNo">168</span> @Override<a name="line.168"></a> -<span class="sourceLineNo">169</span> protected synchronized boolean setTimeoutFailure(final TestProcEnv env) {<a name="line.169"></a> -<span class="sourceLineNo">170</span> int n = ntimeouts.incrementAndGet();<a name="line.170"></a> -<span class="sourceLineNo">171</span> LOG.info("HANDLE TIMEOUT " + this + " ntimeouts=" + n);<a name="line.171"></a> -<span class="sourceLineNo">172</span> setState(ProcedureState.RUNNABLE);<a name="line.172"></a> -<span class="sourceLineNo">173</span> event.wake((AbstractProcedureScheduler) env.getProcedureScheduler());<a name="line.173"></a> -<span class="sourceLineNo">174</span> return false;<a name="line.174"></a> -<span class="sourceLineNo">175</span> }<a name="line.175"></a> -<span class="sourceLineNo">176</span><a name="line.176"></a> -<span class="sourceLineNo">177</span> @Override<a name="line.177"></a> -<span class="sourceLineNo">178</span> protected void afterReplay(final TestProcEnv env) {<a name="line.178"></a> -<span class="sourceLineNo">179</span> if (getState() == ProcedureState.WAITING_TIMEOUT) {<a name="line.179"></a> -<span class="sourceLineNo">180</span> event.suspend();<a name="line.180"></a> -<span class="sourceLineNo">181</span> event.suspendIfNotReady(this);<a name="line.181"></a> -<span class="sourceLineNo">182</span> }<a name="line.182"></a> -<span class="sourceLineNo">183</span> }<a name="line.183"></a> -<span class="sourceLineNo">184</span><a name="line.184"></a> -<span class="sourceLineNo">185</span> @Override<a name="line.185"></a> -<span class="sourceLineNo">186</span> protected void serializeStateData(ProcedureStateSerializer serializer)<a name="line.186"></a> -<span class="sourceLineNo">187</span> throws IOException {<a name="line.187"></a> -<span class="sourceLineNo">188</span> Int32Value.Builder ntimeoutsBuilder = Int32Value.newBuilder().setValue(ntimeouts.get());<a name="line.188"></a> -<span class="sourceLineNo">189</span> serializer.serialize(ntimeoutsBuilder.build());<a name="line.189"></a> -<span class="sourceLineNo">190</span><a name="line.190"></a> -<span class="sourceLineNo">191</span> Int32Value.Builder maxTimeoutsBuilder = Int32Value.newBuilder().setValue(maxTimeouts);<a name="line.191"></a> -<span class="sourceLineNo">192</span> serializer.serialize(maxTimeoutsBuilder.build());<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> @Override<a name="line.195"></a> -<span class="sourceLineNo">196</span> protected void deserializeStateData(ProcedureStateSerializer serializer)<a name="line.196"></a> -<span class="sourceLineNo">197</span> throws IOException {<a name="line.197"></a> -<span class="sourceLineNo">198</span> Int32Value ntimeoutsValue = serializer.deserialize(Int32Value.class);<a name="line.198"></a> -<span class="sourceLineNo">199</span> ntimeouts.set(ntimeoutsValue.getValue());<a name="line.199"></a> -<span class="sourceLineNo">200</span><a name="line.200"></a> -<span class="sourceLineNo">201</span> Int32Value maxTimeoutsValue = serializer.deserialize(Int32Value.class);<a name="line.201"></a> -<span class="sourceLineNo">202</span> maxTimeouts = maxTimeoutsValue.getValue();<a name="line.202"></a> -<span class="sourceLineNo">203</span> }<a name="line.203"></a> -<span class="sourceLineNo">204</span> }<a name="line.204"></a> -<span class="sourceLineNo">205</span><a name="line.205"></a> -<span class="sourceLineNo">206</span> private class TestProcEnv {<a name="line.206"></a> -<span class="sourceLineNo">207</span> public ProcedureScheduler getProcedureScheduler() {<a name="line.207"></a> -<span class="sourceLineNo">208</span> return procExecutor.getScheduler();<a name="line.208"></a> -<span class="sourceLineNo">209</span> }<a name="line.209"></a> -<span class="sourceLineNo">210</span> }<a name="line.210"></a> -<span class="sourceLineNo">211</span>}<a name="line.211"></a> +<span class="sourceLineNo">147</span> public TestTimeoutEventProcedure() {}<a name="line.147"></a> +<span class="sourceLineNo">148</span><a name="line.148"></a> +<span class="sourceLineNo">149</span> public TestTimeoutEventProcedure(final int timeoutMsec, final int maxTimeouts) {<a name="line.149"></a> +<span class="sourceLineNo">150</span> this.maxTimeouts = maxTimeouts;<a name="line.150"></a> +<span class="sourceLineNo">151</span> setTimeout(timeoutMsec);<a name="line.151"></a> +<span class="sourceLineNo">152</span> }<a name="line.152"></a> +<span class="sourceLineNo">153</span><a name="line.153"></a> +<span class="sourceLineNo">154</span> public int getTimeoutsCount() {<a name="line.154"></a> +<span class="sourceLineNo">155</span> return ntimeouts.get();<a name="line.155"></a> +<span class="sourceLineNo">156</span> }<a name="line.156"></a> +<span class="sourceLineNo">157</span><a name="line.157"></a> +<span class="sourceLineNo">158</span> @Override<a name="line.158"></a> +<span class="sourceLineNo">159</span> protected Procedure[] execute(final TestProcEnv env) throws ProcedureSuspendedException {<a name="line.159"></a> +<span class="sourceLineNo">160</span> LOG.info("EXECUTE " + this + " ntimeouts=" + ntimeouts);<a name="line.160"></a> +<span class="sourceLineNo">161</span> if (ntimeouts.get() > maxTimeouts) {<a name="line.161"></a> +<span class="sourceLineNo">162</span> setAbortFailure("test", "give up after " + ntimeouts.get());<a name="line.162"></a> +<span class="sourceLineNo">163</span> return null;<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> event.suspend();<a name="line.166"></a> +<span class="sourceLineNo">167</span> if (event.suspendIfNotReady(this)) {<a name="line.167"></a> +<span class="sourceLineNo">168</span> setState(ProcedureState.WAITING_TIMEOUT);<a name="line.168"></a> +<span class="sourceLineNo">169</span> throw new ProcedureSuspendedException();<a name="line.169"></a> +<span class="sourceLineNo">170</span> }<a name="line.170"></a> +<span class="sourceLineNo">171</span><a name="line.171"></a> +<span class="sourceLineNo">172</span> return null;<a name="line.172"></a> +<span class="sourceLineNo">173</span> }<a name="line.173"></a> +<span class="sourceLineNo">174</span><a name="line.174"></a> +<span class="sourceLineNo">175</span> @Override<a name="line.175"></a> +<span class="sourceLineNo">176</span> protected synchronized boolean setTimeoutFailure(final TestProcEnv env) {<a name="line.176"></a> +<span class="sourceLineNo">177</span> int n = ntimeouts.incrementAndGet();<a name="line.177"></a> +<span class="sourceLineNo">178</span> LOG.info("HANDLE TIMEOUT " + this + " ntimeouts=" + n);<a name="line.178"></a> +<span class="sourceLineNo">179</span> setState(ProcedureState.RUNNABLE);<a name="line.179"></a> +<span class="sourceLineNo">180</span> event.wake((AbstractProcedureScheduler) env.getProcedureScheduler());<a name="line.180"></a> +<span class="sourceLineNo">181</span> return false;<a name="line.181"></a> +<span class="sourceLineNo">182</span> }<a name="line.182"></a> +<span class="sourceLineNo">183</span><a name="line.183"></a> +<span class="sourceLineNo">184</span> @Override<a name="line.184"></a> +<span class="sourceLineNo">185</span> protected void afterReplay(final TestProcEnv env) {<a name="line.185"></a> +<span class="sourceLineNo">186</span> if (getState() == ProcedureState.WAITING_TIMEOUT) {<a name="line.186"></a> +<span class="sourceLineNo">187</span> event.suspend();<a name="line.187"></a> +<span class="sourceLineNo">188</span> event.suspendIfNotReady(this);<a name="line.188"></a> +<span class="sourceLineNo">189</span> }<a name="line.189"></a> +<span class="sourceLineNo">190</span> }<a name="line.190"></a> +<span class="sourceLineNo">191</span><a name="line.191"></a> +<span class="sourceLineNo">192</span> @Override<a name="line.192"></a> +<span class="sourceLineNo">193</span> protected void serializeStateData(ProcedureStateSerializer serializer)<a name="line.193"></a> +<span class="sourceLineNo">194</span> throws IOException {<a name="line.194"></a> +<span class="sourceLineNo">195</span> Int32Value.Builder ntimeoutsBuilder = Int32Value.newBuilder().setValue(ntimeouts.get());<a name="line.195"></a> +<span class="sourceLineNo">196</span> serializer.serialize(ntimeoutsBuilder.build());<a name="line.196"></a> +<span class="sourceLineNo">197</span><a name="line.197"></a> +<span class="sourceLineNo">198</span> Int32Value.Builder maxTimeoutsBuilder = Int32Value.newBuilder().setValue(maxTimeouts);<a name="line.198"></a> +<span class="sourceLineNo">199</span> serializer.serialize(maxTimeoutsBuilder.build());<a name="line.199"></a> +<span class="sourceLineNo">200</span> }<a name="line.200"></a> +<span class="sourceLineNo">201</span><a name="line.201"></a> +<span class="sourceLineNo">202</span> @Override<a name="line.202"></a> +<span class="sourceLineNo">203</span> protected void deserializeStateData(ProcedureStateSerializer serializer)<a name="line.203"></a> +<span class="sourceLineNo">204</span> throws IOException {<a name="line.204"></a> +<span class="sourceLineNo">205</span> Int32Value ntimeoutsValue = serializer.deserialize(Int32Value.class);<a name="line.205"></a> +<span class="sourceLineNo">206</span> ntimeouts.set(ntimeoutsValue.getValue());<a name="line.206"></a> +<span class="sourceLineNo">207</span><a name="line.207"></a> +<span class="sourceLineNo">208</span> Int32Value maxTimeoutsValue = serializer.deserialize(Int32Value.class);<a name="line.208"></a> +<span class="sourceLineNo">209</span> maxTimeouts = maxTimeoutsValue.getValue();<a name="line.209"></a> +<span class="sourceLineNo">210</span> }<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> private class TestProcEnv {<a name="line.213"></a> +<span class="sourceLineNo">214</span> public ProcedureScheduler getProcedureScheduler() {<a name="line.214"></a> +<span class="sourceLineNo">215</span> return procExecutor.getScheduler();<a name="line.215"></a> +<span class="sourceLineNo">216</span> }<a name="line.216"></a> +<span class="sourceLineNo">217</span> }<a name="line.217"></a> +<span class="sourceLineNo">218</span>}<a name="line.218"></a> http://git-wip-us.apache.org/repos/asf/hbase-site/blob/40477ee9/testdevapidocs/src-html/org/apache/hadoop/hbase/procedure2/TestProcedureEvents.TestTimeoutEventProcedure.html ---------------------------------------------------------------------- diff --git a/testdevapidocs/src-html/org/apache/hadoop/hbase/procedure2/TestProcedureEvents.TestTimeoutEventProcedure.html b/testdevapidocs/src-html/org/apache/hadoop/hbase/procedure2/TestProcedureEvents.TestTimeoutEventProcedure.html index cfe0ebc..f1bd6d3 100644 --- a/testdevapidocs/src-html/org/apache/hadoop/hbase/procedure2/TestProcedureEvents.TestTimeoutEventProcedure.html +++ b/testdevapidocs/src-html/org/apache/hadoop/hbase/procedure2/TestProcedureEvents.TestTimeoutEventProcedure.html @@ -88,135 +88,142 @@ <span class="sourceLineNo">080</span> fs.delete(logDir, true);<a name="line.80"></a> <span class="sourceLineNo">081</span> }<a name="line.81"></a> <span class="sourceLineNo">082</span><a name="line.82"></a> -<span class="sourceLineNo">083</span> @Test<a name="line.83"></a> -<span class="sourceLineNo">084</span> public void testTimeoutEventProcedure() throws Exception {<a name="line.84"></a> -<span class="sourceLineNo">085</span> final int NTIMEOUTS = 5;<a name="line.85"></a> -<span class="sourceLineNo">086</span><a name="line.86"></a> -<span class="sourceLineNo">087</span> TestTimeoutEventProcedure proc = new TestTimeoutEventProcedure(500, NTIMEOUTS);<a name="line.87"></a> -<span class="sourceLineNo">088</span> procExecutor.submitProcedure(proc);<a name="line.88"></a> -<span class="sourceLineNo">089</span><a name="line.89"></a> -<span class="sourceLineNo">090</span> ProcedureTestingUtility.waitProcedure(procExecutor, proc.getProcId());<a name="line.90"></a> -<span class="sourceLineNo">091</span> ProcedureTestingUtility.assertIsAbortException(procExecutor.getResult(proc.getProcId()));<a name="line.91"></a> -<span class="sourceLineNo">092</span> assertEquals(NTIMEOUTS + 1, proc.getTimeoutsCount());<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> @Test<a name="line.95"></a> -<span class="sourceLineNo">096</span> public void testTimeoutEventProcedureDoubleExecution() throws Exception {<a name="line.96"></a> -<span class="sourceLineNo">097</span> testTimeoutEventProcedureDoubleExecution(false);<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> @Test<a name="line.100"></a> -<span class="sourceLineNo">101</span> public void testTimeoutEventProcedureDoubleExecutionKillIfSuspended() throws Exception {<a name="line.101"></a> -<span class="sourceLineNo">102</span> testTimeoutEventProcedureDoubleExecution(true);<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> private void testTimeoutEventProcedureDoubleExecution(final boolean killIfSuspended)<a name="line.105"></a> -<span class="sourceLineNo">106</span> throws Exception {<a name="line.106"></a> -<span class="sourceLineNo">107</span> TestTimeoutEventProcedure proc = new TestTimeoutEventProcedure(1000, 3);<a name="line.107"></a> -<span class="sourceLineNo">108</span> ProcedureTestingUtility.setKillAndToggleBeforeStoreUpdate(procExecutor, true);<a name="line.108"></a> -<span class="sourceLineNo">109</span> ProcedureTestingUtility.setKillIfSuspended(procExecutor, killIfSuspended);<a name="line.109"></a> -<span class="sourceLineNo">110</span> long procId = procExecutor.submitProcedure(proc);<a name="line.110"></a> -<span class="sourceLineNo">111</span> ProcedureTestingUtility.testRecoveryAndDoubleExecution(procExecutor, procId, true);<a name="line.111"></a> -<span class="sourceLineNo">112</span> ProcedureTestingUtility.assertIsAbortException(procExecutor.getResult(proc.getProcId()));<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> * This Event+Procedure exhibits following behavior:<a name="line.116"></a> -<span class="sourceLineNo">117</span> * <ul><a name="line.117"></a> -<span class="sourceLineNo">118</span> * <li>On procedure execute()<a name="line.118"></a> -<span class="sourceLineNo">119</span> * <ul><a name="line.119"></a> -<span class="sourceLineNo">120</span> * <li>If had enough timeouts, abort the procedure. Else....</li><a name="line.120"></a> -<span class="sourceLineNo">121</span> * <li>Suspend the event and add self to its suspend queue</li><a name="line.121"></a> -<span class="sourceLineNo">122</span> * <li>Go into waiting state</li><a name="line.122"></a> -<span class="sourceLineNo">123</span> * </ul><a name="line.123"></a> -<span class="sourceLineNo">124</span> * </li><a name="line.124"></a> -<span class="sourceLineNo">125</span> * <li><a name="line.125"></a> -<span class="sourceLineNo">126</span> * On waiting timeout<a name="line.126"></a> -<span class="sourceLineNo">127</span> * <ul><a name="line.127"></a> -<span class="sourceLineNo">128</span> * <li>Wake the event (which adds this procedure back into scheduler queue), and set own's<a name="line.128"></a> -<span class="sourceLineNo">129</span> * state to RUNNABLE (so can be executed again).</li><a name="line.129"></a> +<span class="sourceLineNo">083</span> /**<a name="line.83"></a> +<span class="sourceLineNo">084</span> * Tests being able to suspend a Procedure for N timeouts and then failing.s<a name="line.84"></a> +<span class="sourceLineNo">085</span> * Resets the timeout after each elapses. See {@link TestTimeoutEventProcedure} for example<a name="line.85"></a> +<span class="sourceLineNo">086</span> * of how to do this sort of trickery with the ProcedureExecutor; i.e. suspend for a while,<a name="line.86"></a> +<span class="sourceLineNo">087</span> * check for a condition and if not set, suspend again, etc., ultimately failing or succeeding<a name="line.87"></a> +<span class="sourceLineNo">088</span> * eventually.<a name="line.88"></a> +<span class="sourceLineNo">089</span> */<a name="line.89"></a> +<span class="sourceLineNo">090</span> @Test<a name="line.90"></a> +<span class="sourceLineNo">091</span> public void testTimeoutEventProcedure() throws Exception {<a name="line.91"></a> +<span class="sourceLineNo">092</span> final int NTIMEOUTS = 5;<a name="line.92"></a> +<span class="sourceLineNo">093</span><a name="line.93"></a> +<span class="sourceLineNo">094</span> TestTimeoutEventProcedure proc = new TestTimeoutEventProcedure(500, NTIMEOUTS);<a name="line.94"></a> +<span class="sourceLineNo">095</span> procExecutor.submitProcedure(proc);<a name="line.95"></a> +<span class="sourceLineNo">096</span><a name="line.96"></a> +<span class="sourceLineNo">097</span> ProcedureTestingUtility.waitProcedure(procExecutor, proc.getProcId());<a name="line.97"></a> +<span class="sourceLineNo">098</span> ProcedureTestingUtility.assertIsAbortException(procExecutor.getResult(proc.getProcId()));<a name="line.98"></a> +<span class="sourceLineNo">099</span> assertEquals(NTIMEOUTS + 1, proc.getTimeoutsCount());<a name="line.99"></a> +<span class="sourceLineNo">100</span> }<a name="line.100"></a> +<span class="sourceLineNo">101</span><a name="line.101"></a> +<span class="sourceLineNo">102</span> @Test<a name="line.102"></a> +<span class="sourceLineNo">103</span> public void testTimeoutEventProcedureDoubleExecution() throws Exception {<a name="line.103"></a> +<span class="sourceLineNo">104</span> testTimeoutEventProcedureDoubleExecution(false);<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> @Test<a name="line.107"></a> +<span class="sourceLineNo">108</span> public void testTimeoutEventProcedureDoubleExecutionKillIfSuspended() throws Exception {<a name="line.108"></a> +<span class="sourceLineNo">109</span> testTimeoutEventProcedureDoubleExecution(true);<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> private void testTimeoutEventProcedureDoubleExecution(final boolean killIfSuspended)<a name="line.112"></a> +<span class="sourceLineNo">113</span> throws Exception {<a name="line.113"></a> +<span class="sourceLineNo">114</span> TestTimeoutEventProcedure proc = new TestTimeoutEventProcedure(1000, 3);<a name="line.114"></a> +<span class="sourceLineNo">115</span> ProcedureTestingUtility.setKillAndToggleBeforeStoreUpdate(procExecutor, true);<a name="line.115"></a> +<span class="sourceLineNo">116</span> ProcedureTestingUtility.setKillIfSuspended(procExecutor, killIfSuspended);<a name="line.116"></a> +<span class="sourceLineNo">117</span> long procId = procExecutor.submitProcedure(proc);<a name="line.117"></a> +<span class="sourceLineNo">118</span> ProcedureTestingUtility.testRecoveryAndDoubleExecution(procExecutor, procId, true);<a name="line.118"></a> +<span class="sourceLineNo">119</span> ProcedureTestingUtility.assertIsAbortException(procExecutor.getResult(proc.getProcId()));<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> * This Event+Procedure exhibits following behavior:<a name="line.123"></a> +<span class="sourceLineNo">124</span> * <ul><a name="line.124"></a> +<span class="sourceLineNo">125</span> * <li>On procedure execute()<a name="line.125"></a> +<span class="sourceLineNo">126</span> * <ul><a name="line.126"></a> +<span class="sourceLineNo">127</span> * <li>If had enough timeouts, abort the procedure. Else....</li><a name="line.127"></a> +<span class="sourceLineNo">128</span> * <li>Suspend the event and add self to its suspend queue</li><a name="line.128"></a> +<span class="sourceLineNo">129</span> * <li>Go into waiting state</li><a name="line.129"></a> <span class="sourceLineNo">130</span> * </ul><a name="line.130"></a> <span class="sourceLineNo">131</span> * </li><a name="line.131"></a> -<span class="sourceLineNo">132</span> * </ul><a name="line.132"></a> -<span class="sourceLineNo">133</span> */<a name="line.133"></a> -<span class="sourceLineNo">134</span> public static class TestTimeoutEventProcedure extends NoopProcedure<TestProcEnv> {<a name="line.134"></a> -<span class="sourceLineNo">135</span> private final ProcedureEvent event = new ProcedureEvent("timeout-event");<a name="line.135"></a> -<span class="sourceLineNo">136</span><a name="line.136"></a> -<span class="sourceLineNo">137</span> private final AtomicInteger ntimeouts = new AtomicInteger(0);<a name="line.137"></a> -<span class="sourceLineNo">138</span> private int maxTimeouts = 1;<a name="line.138"></a> -<span class="sourceLineNo">139</span><a name="line.139"></a> -<span class="sourceLineNo">140</span> public TestTimeoutEventProcedure() {}<a name="line.140"></a> -<span class="sourceLineNo">141</span><a name="line.141"></a> -<span class="sourceLineNo">142</span> public TestTimeoutEventProcedure(final int timeoutMsec, final int maxTimeouts) {<a name="line.142"></a> -<span class="sourceLineNo">143</span> this.maxTimeouts = maxTimeouts;<a name="line.143"></a> -<span class="sourceLineNo">144</span> setTimeout(timeoutMsec);<a name="line.144"></a> -<span class="sourceLineNo">145</span> }<a name="line.145"></a> +<span class="sourceLineNo">132</span> * <li><a name="line.132"></a> +<span class="sourceLineNo">133</span> * On waiting timeout<a name="line.133"></a> +<span class="sourceLineNo">134</span> * <ul><a name="line.134"></a> +<span class="sourceLineNo">135</span> * <li>Wake the event (which adds this procedure back into scheduler queue), and set own's<a name="line.135"></a> +<span class="sourceLineNo">136</span> * state to RUNNABLE (so can be executed again).</li><a name="line.136"></a> +<span class="sourceLineNo">137</span> * </ul><a name="line.137"></a> +<span class="sourceLineNo">138</span> * </li><a name="line.138"></a> +<span class="sourceLineNo">139</span> * </ul><a name="line.139"></a> +<span class="sourceLineNo">140</span> */<a name="line.140"></a> +<span class="sourceLineNo">141</span> public static class TestTimeoutEventProcedure extends NoopProcedure<TestProcEnv> {<a name="line.141"></a> +<span class="sourceLineNo">142</span> private final ProcedureEvent event = new ProcedureEvent("timeout-event");<a name="line.142"></a> +<span class="sourceLineNo">143</span><a name="line.143"></a> +<span class="sourceLineNo">144</span> private final AtomicInteger ntimeouts = new AtomicInteger(0);<a name="line.144"></a> +<span class="sourceLineNo">145</span> private int maxTimeouts = 1;<a name="line.145"></a> <span class="sourceLineNo">146</span><a name="line.146"></a> -<span class="sourceLineNo">147</span> public int getTimeoutsCount() {<a name="line.147"></a> -<span class="sourceLineNo">148</span> return ntimeouts.get();<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> @Override<a name="line.151"></a> -<span class="sourceLineNo">152</span> protected Procedure[] execute(final TestProcEnv env) throws ProcedureSuspendedException {<a name="line.152"></a> -<span class="sourceLineNo">153</span> LOG.info("EXECUTE " + this + " ntimeouts=" + ntimeouts);<a name="line.153"></a> -<span class="sourceLineNo">154</span> if (ntimeouts.get() > maxTimeouts) {<a name="line.154"></a> -<span class="sourceLineNo">155</span> setAbortFailure("test", "give up after " + ntimeouts.get());<a name="line.155"></a> -<span class="sourceLineNo">156</span> return null;<a name="line.156"></a> -<span class="sourceLineNo">157</span> }<a name="line.157"></a> -<span class="sourceLineNo">158</span><a name="line.158"></a> -<span class="sourceLineNo">159</span> event.suspend();<a name="line.159"></a> -<span class="sourceLineNo">160</span> if (event.suspendIfNotReady(this)) {<a name="line.160"></a> -<span class="sourceLineNo">161</span> setState(ProcedureState.WAITING_TIMEOUT);<a name="line.161"></a> -<span class="sourceLineNo">162</span> throw new ProcedureSuspendedException();<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> return null;<a name="line.165"></a> -<span class="sourceLineNo">166</span> }<a name="line.166"></a> -<span class="sourceLineNo">167</span><a name="line.167"></a> -<span class="sourceLineNo">168</span> @Override<a name="line.168"></a> -<span class="sourceLineNo">169</span> protected synchronized boolean setTimeoutFailure(final TestProcEnv env) {<a name="line.169"></a> -<span class="sourceLineNo">170</span> int n = ntimeouts.incrementAndGet();<a name="line.170"></a> -<span class="sourceLineNo">171</span> LOG.info("HANDLE TIMEOUT " + this + " ntimeouts=" + n);<a name="line.171"></a> -<span class="sourceLineNo">172</span> setState(ProcedureState.RUNNABLE);<a name="line.172"></a> -<span class="sourceLineNo">173</span> event.wake((AbstractProcedureScheduler) env.getProcedureScheduler());<a name="line.173"></a> -<span class="sourceLineNo">174</span> return false;<a name="line.174"></a> -<span class="sourceLineNo">175</span> }<a name="line.175"></a> -<span class="sourceLineNo">176</span><a name="line.176"></a> -<span class="sourceLineNo">177</span> @Override<a name="line.177"></a> -<span class="sourceLineNo">178</span> protected void afterReplay(final TestProcEnv env) {<a name="line.178"></a> -<span class="sourceLineNo">179</span> if (getState() == ProcedureState.WAITING_TIMEOUT) {<a name="line.179"></a> -<span class="sourceLineNo">180</span> event.suspend();<a name="line.180"></a> -<span class="sourceLineNo">181</span> event.suspendIfNotReady(this);<a name="line.181"></a> -<span class="sourceLineNo">182</span> }<a name="line.182"></a> -<span class="sourceLineNo">183</span> }<a name="line.183"></a> -<span class="sourceLineNo">184</span><a name="line.184"></a> -<span class="sourceLineNo">185</span> @Override<a name="line.185"></a> -<span class="sourceLineNo">186</span> protected void serializeStateData(ProcedureStateSerializer serializer)<a name="line.186"></a> -<span class="sourceLineNo">187</span> throws IOException {<a name="line.187"></a> -<span class="sourceLineNo">188</span> Int32Value.Builder ntimeoutsBuilder = Int32Value.newBuilder().setValue(ntimeouts.get());<a name="line.188"></a> -<span class="sourceLineNo">189</span> serializer.serialize(ntimeoutsBuilder.build());<a name="line.189"></a> -<span class="sourceLineNo">190</span><a name="line.190"></a> -<span class="sourceLineNo">191</span> Int32Value.Builder maxTimeoutsBuilder = Int32Value.newBuilder().setValue(maxTimeouts);<a name="line.191"></a> -<span class="sourceLineNo">192</span> serializer.serialize(maxTimeoutsBuilder.build());<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> @Override<a name="line.195"></a> -<span class="sourceLineNo">196</span> protected void deserializeStateData(ProcedureStateSerializer serializer)<a name="line.196"></a> -<span class="sourceLineNo">197</span> throws IOException {<a name="line.197"></a> -<span class="sourceLineNo">198</span> Int32Value ntimeoutsValue = serializer.deserialize(Int32Value.class);<a name="line.198"></a> -<span class="sourceLineNo">199</span> ntimeouts.set(ntimeoutsValue.getValue());<a name="line.199"></a> -<span class="sourceLineNo">200</span><a name="line.200"></a> -<span class="sourceLineNo">201</span> Int32Value maxTimeoutsValue = serializer.deserialize(Int32Value.class);<a name="line.201"></a> -<span class="sourceLineNo">202</span> maxTimeouts = maxTimeoutsValue.getValue();<a name="line.202"></a> -<span class="sourceLineNo">203</span> }<a name="line.203"></a> -<span class="sourceLineNo">204</span> }<a name="line.204"></a> -<span class="sourceLineNo">205</span><a name="line.205"></a> -<span class="sourceLineNo">206</span> private class TestProcEnv {<a name="line.206"></a> -<span class="sourceLineNo">207</span> public ProcedureScheduler getProcedureScheduler() {<a name="line.207"></a> -<span class="sourceLineNo">208</span> return procExecutor.getScheduler();<a name="line.208"></a> -<span class="sourceLineNo">209</span> }<a name="line.209"></a> -<span class="sourceLineNo">210</span> }<a name="line.210"></a> -<span class="sourceLineNo">211</span>}<a name="line.211"></a> +<span class="sourceLineNo">147</span> public TestTimeoutEventProcedure() {}<a name="line.147"></a> +<span class="sourceLineNo">148</span><a name="line.148"></a> +<span class="sourceLineNo">149</span> public TestTimeoutEventProcedure(final int timeoutMsec, final int maxTimeouts) {<a name="line.149"></a> +<span class="sourceLineNo">150</span> this.maxTimeouts = maxTimeouts;<a name="line.150"></a> +<span class="sourceLineNo">151</span> setTimeout(timeoutMsec);<a name="line.151"></a> +<span class="sourceLineNo">152</span> }<a name="line.152"></a> +<span class="sourceLineNo">153</span><a name="line.153"></a> +<span class="sourceLineNo">154</span> public int getTimeoutsCount() {<a name="line.154"></a> +<span class="sourceLineNo">155</span> return ntimeouts.get();<a name="line.155"></a> +<span class="sourceLineNo">156</span> }<a name="line.156"></a> +<span class="sourceLineNo">157</span><a name="line.157"></a> +<span class="sourceLineNo">158</span> @Override<a name="line.158"></a> +<span class="sourceLineNo">159</span> protected Procedure[] execute(final TestProcEnv env) throws ProcedureSuspendedException {<a name="line.159"></a> +<span class="sourceLineNo">160</span> LOG.info("EXECUTE " + this + " ntimeouts=" + ntimeouts);<a name="line.160"></a> +<span class="sourceLineNo">161</span> if (ntimeouts.get() > maxTimeouts) {<a name="line.161"></a> +<span class="sourceLineNo">162</span> setAbortFailure("test", "give up after " + ntimeouts.get());<a name="line.162"></a> +<span class="sourceLineNo">163</span> return null;<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> event.suspend();<a name="line.166"></a> +<span class="sourceLineNo">167</span> if (event.suspendIfNotReady(this)) {<a name="line.167"></a> +<span class="sourceLineNo">168</span> setState(ProcedureState.WAITING_TIMEOUT);<a name="line.168"></a> +<span class="sourceLineNo">169</span> throw new ProcedureSuspendedException();<a name="line.169"></a> +<span class="sourceLineNo">170</span> }<a name="line.170"></a> +<span class="sourceLineNo">171</span><a name="line.171"></a> +<span class="sourceLineNo">172</span> return null;<a name="line.172"></a> +<span class="sourceLineNo">173</span> }<a name="line.173"></a> +<span class="sourceLineNo">174</span><a name="line.174"></a> +<span class="sourceLineNo">175</span> @Override<a name="line.175"></a> +<span class="sourceLineNo">176</span> protected synchronized boolean setTimeoutFailure(final TestProcEnv env) {<a name="line.176"></a> +<span class="sourceLineNo">177</span> int n = ntimeouts.incrementAndGet();<a name="line.177"></a> +<span class="sourceLineNo">178</span> LOG.info("HANDLE TIMEOUT " + this + " ntimeouts=" + n);<a name="line.178"></a> +<span class="sourceLineNo">179</span> setState(ProcedureState.RUNNABLE);<a name="line.179"></a> +<span class="sourceLineNo">180</span> event.wake((AbstractProcedureScheduler) env.getProcedureScheduler());<a name="line.180"></a> +<span class="sourceLineNo">181</span> return false;<a name="line.181"></a> +<span class="sourceLineNo">182</span> }<a name="line.182"></a> +<span class="sourceLineNo">183</span><a name="line.183"></a> +<span class="sourceLineNo">184</span> @Override<a name="line.184"></a> +<span class="sourceLineNo">185</span> protected void afterReplay(final TestProcEnv env) {<a name="line.185"></a> +<span class="sourceLineNo">186</span> if (getState() == ProcedureState.WAITING_TIMEOUT) {<a name="line.186"></a> +<span class="sourceLineNo">187</span> event.suspend();<a name="line.187"></a> +<span class="sourceLineNo">188</span> event.suspendIfNotReady(this);<a name="line.188"></a> +<span class="sourceLineNo">189</span> }<a name="line.189"></a> +<span class="sourceLineNo">190</span> }<a name="line.190"></a> +<span class="sourceLineNo">191</span><a name="line.191"></a> +<span class="sourceLineNo">192</span> @Override<a name="line.192"></a> +<span class="sourceLineNo">193</span> protected void serializeStateData(ProcedureStateSerializer serializer)<a name="line.193"></a> +<span class="sourceLineNo">194</span> throws IOException {<a name="line.194"></a> +<span class="sourceLineNo">195</span> Int32Value.Builder ntimeoutsBuilder = Int32Value.newBuilder().setValue(ntimeouts.get());<a name="line.195"></a> +<span class="sourceLineNo">196</span> serializer.serialize(ntimeoutsBuilder.build());<a name="line.196"></a> +<span class="sourceLineNo">197</span><a name="line.197"></a> +<span class="sourceLineNo">198</span> Int32Value.Builder maxTimeoutsBuilder = Int32Value.newBuilder().setValue(maxTimeouts);<a name="line.198"></a> +<span class="sourceLineNo">199</span> serializer.serialize(maxTimeoutsBuilder.build());<a name="line.199"></a> +<span class="sourceLineNo">200</span> }<a name="line.200"></a> +<span class="sourceLineNo">201</span><a name="line.201"></a> +<span class="sourceLineNo">202</span> @Override<a name="line.202"></a> +<span class="sourceLineNo">203</span> protected void deserializeStateData(ProcedureStateSerializer serializer)<a name="line.203"></a> +<span class="sourceLineNo">204</span> throws IOException {<a name="line.204"></a> +<span class="sourceLineNo">205</span> Int32Value ntimeoutsValue = serializer.deserialize(Int32Value.class);<a name="line.205"></a> +<span class="sourceLineNo">206</span> ntimeouts.set(ntimeoutsValue.getValue());<a name="line.206"></a> +<span class="sourceLineNo">207</span><a name="line.207"></a> +<span class="sourceLineNo">208</span> Int32Value maxTimeoutsValue = serializer.deserialize(Int32Value.class);<a name="line.208"></a> +<span class="sourceLineNo">209</span> maxTimeouts = maxTimeoutsValue.getValue();<a name="line.209"></a> +<span class="sourceLineNo">210</span> }<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> private class TestProcEnv {<a name="line.213"></a> +<span class="sourceLineNo">214</span> public ProcedureScheduler getProcedureScheduler() {<a name="line.214"></a> +<span class="sourceLineNo">215</span> return procExecutor.getScheduler();<a name="line.215"></a> +<span class="sourceLineNo">216</span> }<a name="line.216"></a> +<span class="sourceLineNo">217</span> }<a name="line.217"></a> +<span class="sourceLineNo">218</span>}<a name="line.218"></a> http://git-wip-us.apache.org/repos/asf/hbase-site/blob/40477ee9/testdevapidocs/src-html/org/apache/hadoop/hbase/procedure2/TestProcedureEvents.html ---------------------------------------------------------------------- diff --git a/testdevapidocs/src-html/org/apache/hadoop/hbase/procedure2/TestProcedureEvents.html b/testdevapidocs/src-html/org/apache/hadoop/hbase/procedure2/TestProcedureEvents.html index cfe0ebc..f1bd6d3 100644 --- a/testdevapidocs/src-html/org/apache/hadoop/hbase/procedure2/TestProcedureEvents.html +++ b/testdevapidocs/src-html/org/apache/hadoop/hbase/procedure2/TestProcedureEvents.html @@ -88,135 +88,142 @@ <span class="sourceLineNo">080</span> fs.delete(logDir, true);<a name="line.80"></a> <span class="sourceLineNo">081</span> }<a name="line.81"></a> <span class="sourceLineNo">082</span><a name="line.82"></a> -<span class="sourceLineNo">083</span> @Test<a name="line.83"></a> -<span class="sourceLineNo">084</span> public void testTimeoutEventProcedure() throws Exception {<a name="line.84"></a> -<span class="sourceLineNo">085</span> final int NTIMEOUTS = 5;<a name="line.85"></a> -<span class="sourceLineNo">086</span><a name="line.86"></a> -<span class="sourceLineNo">087</span> TestTimeoutEventProcedure proc = new TestTimeoutEventProcedure(500, NTIMEOUTS);<a name="line.87"></a> -<span class="sourceLineNo">088</span> procExecutor.submitProcedure(proc);<a name="line.88"></a> -<span class="sourceLineNo">089</span><a name="line.89"></a> -<span class="sourceLineNo">090</span> ProcedureTestingUtility.waitProcedure(procExecutor, proc.getProcId());<a name="line.90"></a> -<span class="sourceLineNo">091</span> ProcedureTestingUtility.assertIsAbortException(procExecutor.getResult(proc.getProcId()));<a name="line.91"></a> -<span class="sourceLineNo">092</span> assertEquals(NTIMEOUTS + 1, proc.getTimeoutsCount());<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> @Test<a name="line.95"></a> -<span class="sourceLineNo">096</span> public void testTimeoutEventProcedureDoubleExecution() throws Exception {<a name="line.96"></a> -<span class="sourceLineNo">097</span> testTimeoutEventProcedureDoubleExecution(false);<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> @Test<a name="line.100"></a> -<span class="sourceLineNo">101</span> public void testTimeoutEventProcedureDoubleExecutionKillIfSuspended() throws Exception {<a name="line.101"></a> -<span class="sourceLineNo">102</span> testTimeoutEventProcedureDoubleExecution(true);<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> private void testTimeoutEventProcedureDoubleExecution(final boolean killIfSuspended)<a name="line.105"></a> -<span class="sourceLineNo">106</span> throws Exception {<a name="line.106"></a> -<span class="sourceLineNo">107</span> TestTimeoutEventProcedure proc = new TestTimeoutEventProcedure(1000, 3);<a name="line.107"></a> -<span class="sourceLineNo">108</span> ProcedureTestingUtility.setKillAndToggleBeforeStoreUpdate(procExecutor, true);<a name="line.108"></a> -<span class="sourceLineNo">109</span> ProcedureTestingUtility.setKillIfSuspended(procExecutor, killIfSuspended);<a name="line.109"></a> -<span class="sourceLineNo">110</span> long procId = procExecutor.submitProcedure(proc);<a name="line.110"></a> -<span class="sourceLineNo">111</span> ProcedureTestingUtility.testRecoveryAndDoubleExecution(procExecutor, procId, true);<a name="line.111"></a> -<span class="sourceLineNo">112</span> ProcedureTestingUtility.assertIsAbortException(procExecutor.getResult(proc.getProcId()));<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> * This Event+Procedure exhibits following behavior:<a name="line.116"></a> -<span class="sourceLineNo">117</span> * <ul><a name="line.117"></a> -<span class="sourceLineNo">118</span> * <li>On procedure execute()<a name="line.118"></a> -<span class="sourceLineNo">119</span> * <ul><a name="line.119"></a> -<span class="sourceLineNo">120</span> * <li>If had enough timeouts, abort the procedure. Else....</li><a name="line.120"></a> -<span class="sourceLineNo">121</span> * <li>Suspend the event and add self to its suspend queue</li><a name="line.121"></a> -<span class="sourceLineNo">122</span> * <li>Go into waiting state</li><a name="line.122"></a> -<span class="sourceLineNo">123</span> * </ul><a name="line.123"></a> -<span class="sourceLineNo">124</span> * </li><a name="line.124"></a> -<span class="sourceLineNo">125</span> * <li><a name="line.125"></a> -<span class="sourceLineNo">126</span> * On waiting timeout<a name="line.126"></a> -<span class="sourceLineNo">127</span> * <ul><a name="line.127"></a> -<span class="sourceLineNo">128</span> * <li>Wake the event (which adds this procedure back into scheduler queue), and set own's<a name="line.128"></a> -<span class="sourceLineNo">129</span> * state to RUNNABLE (so can be executed again).</li><a name="line.129"></a> +<span class="sourceLineNo">083</span> /**<a name="line.83"></a> +<span class="sourceLineNo">084</span> * Tests being able to suspend a Procedure for N timeouts and then failing.s<a name="line.84"></a> +<span class="sourceLineNo">085</span> * Resets the timeout after each elapses. See {@link TestTimeoutEventProcedure} for example<a name="line.85"></a> +<span class="sourceLineNo">086</span> * of how to do this sort of trickery with the ProcedureExecutor; i.e. suspend for a while,<a name="line.86"></a> +<span class="sourceLineNo">087</span> * check for a condition and if not set, suspend again, etc., ultimately failing or succeeding<a name="line.87"></a> +<span class="sourceLineNo">088</span> * eventually.<a name="line.88"></a> +<span class="sourceLineNo">089</span> */<a name="line.89"></a> +<span class="sourceLineNo">090</span> @Test<a name="line.90"></a> +<span class="sourceLineNo">091</span> public void testTimeoutEventProcedure() throws Exception {<a name="line.91"></a> +<span class="sourceLineNo">092</span> final int NTIMEOUTS = 5;<a name="line.92"></a> +<span class="sourceLineNo">093</span><a name="line.93"></a> +<span class="sourceLineNo">094</span> TestTimeoutEventProcedure proc = new TestTimeoutEventProcedure(500, NTIMEOUTS);<a name="line.94"></a> +<span class="sourceLineNo">095</span> procExecutor.submitProcedure(proc);<a name="line.95"></a> +<span class="sourceLineNo">096</span><a name="line.96"></a> +<span class="sourceLineNo">097</span> ProcedureTestingUtility.waitProcedure(procExecutor, proc.getProcId());<a name="line.97"></a> +<span class="sourceLineNo">098</span> ProcedureTestingUtility.assertIsAbortException(procExecutor.getResult(proc.getProcId()));<a name="line.98"></a> +<span class="sourceLineNo">099</span> assertEquals(NTIMEOUTS + 1, proc.getTimeoutsCount());<a name="line.99"></a> +<span class="sourceLineNo">100</span> }<a name="line.100"></a> +<span class="sourceLineNo">101</span><a name="line.101"></a> +<span class="sourceLineNo">102</span> @Test<a name="line.102"></a> +<span class="sourceLineNo">103</span> public void testTimeoutEventProcedureDoubleExecution() throws Exception {<a name="line.103"></a> +<span class="sourceLineNo">104</span> testTimeoutEventProcedureDoubleExecution(false);<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> @Test<a name="line.107"></a> +<span class="sourceLineNo">108</span> public void testTimeoutEventProcedureDoubleExecutionKillIfSuspended() throws Exception {<a name="line.108"></a> +<span class="sourceLineNo">109</span> testTimeoutEventProcedureDoubleExecution(true);<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> private void testTimeoutEventProcedureDoubleExecution(final boolean killIfSuspended)<a name="line.112"></a> +<span class="sourceLineNo">113</span> throws Exception {<a name="line.113"></a> +<span class="sourceLineNo">114</span> TestTimeoutEventProcedure proc = new TestTimeoutEventProcedure(1000, 3);<a name="line.114"></a> +<span class="sourceLineNo">115</span> ProcedureTestingUtility.setKillAndToggleBeforeStoreUpdate(procExecutor, true);<a name="line.115"></a> +<span class="sourceLineNo">116</span> ProcedureTestingUtility.setKillIfSuspended(procExecutor, killIfSuspended);<a name="line.116"></a> +<span class="sourceLineNo">117</span> long procId = procExecutor.submitProcedure(proc);<a name="line.117"></a> +<span class="sourceLineNo">118</span> ProcedureTestingUtility.testRecoveryAndDoubleExecution(procExecutor, procId, true);<a name="line.118"></a> +<span class="sourceLineNo">119</span> ProcedureTestingUtility.assertIsAbortException(procExecutor.getResult(proc.getProcId()));<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> * This Event+Procedure exhibits following behavior:<a name="line.123"></a> +<span class="sourceLineNo">124</span> * <ul><a name="line.124"></a> +<span class="sourceLineNo">125</span> * <li>On procedure execute()<a name="line.125"></a> +<span class="sourceLineNo">126</span> * <ul><a name="line.126"></a> +<span class="sourceLineNo">127</span> * <li>If had enough timeouts, abort the procedure. Else....</li><a name="line.127"></a> +<span class="sourceLineNo">128</span> * <li>Suspend the event and add self to its suspend queue</li><a name="line.128"></a> +<span class="sourceLineNo">129</span> * <li>Go into waiting state</li><a name="line.129"></a> <span class="sourceLineNo">130</span> * </ul><a name="line.130"></a> <span class="sourceLineNo">131</span> * </li><a name="line.131"></a> -<span class="sourceLineNo">132</span> * </ul><a name="line.132"></a> -<span class="sourceLineNo">133</span> */<a name="line.133"></a> -<span class="sourceLineNo">134</span> public static class TestTimeoutEventProcedure extends NoopProcedure<TestProcEnv> {<a name="line.134"></a> -<span class="sourceLineNo">135</span> private final ProcedureEvent event = new ProcedureEvent("timeout-event");<a name="line.135"></a> -<span class="sourceLineNo">136</span><a name="line.136"></a> -<span class="sourceLineNo">137</span> private final AtomicInteger ntimeouts = new AtomicInteger(0);<a name="line.137"></a> -<span class="sourceLineNo">138</span> private int maxTimeouts = 1;<a name="line.138"></a> -<span class="sourceLineNo">139</span><a name="line.139"></a> -<span class="sourceLineNo">140</span> public TestTimeoutEventProcedure() {}<a name="line.140"></a> -<span class="sourceLineNo">141</span><a name="line.141"></a> -<span class="sourceLineNo">142</span> public TestTimeoutEventProcedure(final int timeoutMsec, final int maxTimeouts) {<a name="line.142"></a> -<span class="sourceLineNo">143</span> this.maxTimeouts = maxTimeouts;<a name="line.143"></a> -<span class="sourceLineNo">144</span> setTimeout(timeoutMsec);<a name="line.144"></a> -<span class="sourceLineNo">145</span> }<a name="line.145"></a> +<span class="sourceLineNo">132</span> * <li><a name="line.132"></a> +<span class="sourceLineNo">133</span> * On waiting timeout<a name="line.133"></a> +<span class="sourceLineNo">134</span> * <ul><a name="line.134"></a> +<span class="sourceLineNo">135</span> * <li>Wake the event (which adds this procedure back into scheduler queue), and set own's<a name="line.135"></a> +<span class="sourceLineNo">136</span> * state to RUNNABLE (so can be executed again).</li><a name="line.136"></a> +<span class="sourceLineNo">137</span> * </ul><a name="line.137"></a> +<span class="sourceLineNo">138</span> * </li><a name="line.138"></a> +<span class="sourceLineNo">139</span> * </ul><a name="line.139"></a> +<span class="sourceLineNo">140</span> */<a name="line.140"></a> +<span class="sourceLineNo">141</span> public static class TestTimeoutEventProcedure extends NoopProcedure<TestProcEnv> {<a name="line.141"></a> +<span class="sourceLineNo">142</span> private final ProcedureEvent event = new ProcedureEvent("timeout-event");<a name="line.142"></a> +<span class="sourceLineNo">143</span><a name="line.143"></a> +<span class="sourceLineNo">144</span> private final AtomicInteger ntimeouts = new AtomicInteger(0);<a name="line.144"></a> +<span class="sourceLineNo">145</span> private int maxTimeouts = 1;<a name="line.145"></a> <span class="sourceLineNo">146</span><a name="line.146"></a> -<span class="sourceLineNo">147</span> public int getTimeoutsCount() {<a name="line.147"></a> -<span class="sourceLineNo">148</span> return ntimeouts.get();<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> @Override<a name="line.151"></a> -<span class="sourceLineNo">152</span> protected Procedure[] execute(final TestProcEnv env) throws ProcedureSuspendedException {<a name="line.152"></a> -<span class="sourceLineNo">153</span> LOG.info("EXECUTE " + this + " ntimeouts=" + ntimeouts);<a name="line.153"></a> -<span class="sourceLineNo">154</span> if (ntimeouts.get() > maxTimeouts) {<a name="line.154"></a> -<span class="sourceLineNo">155</span> setAbortFailure("test", "give up after " + ntimeouts.get());<a name="line.155"></a> -<span class="sourceLineNo">156</span> return null;<a name="line.156"></a> -<span class="sourceLineNo">157</span> }<a name="line.157"></a> -<span class="sourceLineNo">158</span><a name="line.158"></a> -<span class="sourceLineNo">159</span> event.suspend();<a name="line.159"></a> -<span class="sourceLineNo">160</span> if (event.suspendIfNotReady(this)) {<a name="line.160"></a> -<span class="sourceLineNo">161</span> setState(ProcedureState.WAITING_TIMEOUT);<a name="line.161"></a> -<span class="sourceLineNo">162</span> throw new ProcedureSuspendedException();<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> return null;<a name="line.165"></a> -<span class="sourceLineNo">166</span> }<a name="line.166"></a> -<span class="sourceLineNo">167</span><a name="line.167"></a> -<span class="sourceLineNo">168</span> @Override<a name="line.168"></a> -<span class="sourceLineNo">169</span> protected synchronized boolean setTimeoutFailure(final TestProcEnv env) {<a name="line.169"></a> -<span class="sourceLineNo">170</span> int n = ntimeouts.incrementAndGet();<a name="line.170"></a> -<span class="sourceLineNo">171</span> LOG.info("HANDLE TIMEOUT " + this + " ntimeouts=" + n);<a name="line.171"></a> -<span class="sourceLineNo">172</span> setState(ProcedureState.RUNNABLE);<a name="line.172"></a> -<span class="sourceLineNo">173</span> event.wake((AbstractProcedureScheduler) env.getProcedureScheduler());<a name="line.173"></a> -<span class="sourceLineNo">174</span> return false;<a name="line.174"></a> -<span class="sourceLineNo">175</span> }<a name="line.175"></a> -<span class="sourceLineNo">176</span><a name="line.176"></a> -<span class="sourceLineNo">177</span> @Override<a name="line.177"></a> -<span class="sourceLineNo">178</span> protected void afterReplay(final TestProcEnv env) {<a name="line.178"></a> -<span class="sourceLineNo">179</span> if (getState() == ProcedureState.WAITING_TIMEOUT) {<a name="line.179"></a> -<span class="sourceLineNo">180</span> event.suspend();<a name="line.180"></a> -<span class="sourceLineNo">181</span> event.suspendIfNotReady(this);<a name="line.181"></a> -<span class="sourceLineNo">182</span> }<a name="line.182"></a> -<span class="sourceLineNo">183</span> }<a name="line.183"></a> -<span class="sourceLineNo">184</span><a name="line.184"></a> -<span class="sourceLineNo">185</span> @Override<a name="line.185"></a> -<span class="sourceLineNo">186</span> protected void serializeStateData(ProcedureStateSerializer serializer)<a name="line.186"></a> -<span class="sourceLineNo">187</span> throws IOException {<a name="line.187"></a> -<span class="sourceLineNo">188</span> Int32Value.Builder ntimeoutsBuilder = Int32Value.newBuilder().setValue(ntimeouts.get());<a name="line.188"></a> -<span class="sourceLineNo">189</span> serializer.serialize(ntimeoutsBuilder.build());<a name="line.189"></a> -<span class="sourceLineNo">190</span><a name="line.190"></a> -<span class="sourceLineNo">191</span> Int32Value.Builder maxTimeoutsBuilder = Int32Value.newBuilder().setValue(maxTimeouts);<a name="line.191"></a> -<span class="sourceLineNo">192</span> serializer.serialize(maxTimeoutsBuilder.build());<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> @Override<a name="line.195"></a> -<span class="sourceLineNo">196</span> protected void deserializeStateData(ProcedureStateSerializer serializer)<a name="line.196"></a> -<span class="sourceLineNo">197</span> throws IOException {<a name="line.197"></a> -<span class="sourceLineNo">198</span> Int32Value ntimeoutsValue = serializer.deserialize(Int32Value.class);<a name="line.198"></a> -<span class="sourceLineNo">199</span> ntimeouts.set(ntimeoutsValue.getValue());<a name="line.199"></a> -<span class="sourceLineNo">200</span><a name="line.200"></a> -<span class="sourceLineNo">201</span> Int32Value maxTimeoutsValue = serializer.deserialize(Int32Value.class);<a name="line.201"></a> -<span class="sourceLineNo">202</span> maxTimeouts = maxTimeoutsValue.getValue();<a name="line.202"></a> -<span class="sourceLineNo">203</span> }<a name="line.203"></a> -<span class="sourceLineNo">204</span> }<a name="line.204"></a> -<span class="sourceLineNo">205</span><a name="line.205"></a> -<span class="sourceLineNo">206</span> private class TestProcEnv {<a name="line.206"></a> -<span class="sourceLineNo">207</span> public ProcedureScheduler getProcedureScheduler() {<a name="line.207"></a> -<span class="sourceLineNo">208</span> return procExecutor.getScheduler();<a name="line.208"></a> -<span class="sourceLineNo">209</span> }<a name="line.209"></a> -<span class="sourceLineNo">210</span> }<a name="line.210"></a> -<span class="sourceLineNo">211</span>}<a name="line.211"></a> +<span class="sourceLineNo">147</span> public TestTimeoutEventProcedure() {}<a name="line.147"></a> +<span class="sourceLineNo">148</span><a name="line.148"></a> +<span class="sourceLineNo">149</span> public TestTimeoutEventProcedure(final int timeoutMsec, final int maxTimeouts) {<a name="line.149"></a> +<span class="sourceLineNo">150</span> this.maxTimeouts = maxTimeouts;<a name="line.150"></a> +<span class="sourceLineNo">151</span> setTimeout(timeoutMsec);<a name="line.151"></a> +<span class="sourceLineNo">152</span> }<a name="line.152"></a> +<span class="sourceLineNo">153</span><a name="line.153"></a> +<span class="sourceLineNo">154</span> public int getTimeoutsCount() {<a name="line.154"></a> +<span class="sourceLineNo">155</span> return ntimeouts.get();<a name="line.155"></a> +<span class="sourceLineNo">156</span> }<a name="line.156"></a> +<span class="sourceLineNo">157</span><a name="line.157"></a> +<span class="sourceLineNo">158</span> @Override<a name="line.158"></a> +<span class="sourceLineNo">159</span> protected Procedure[] execute(final TestProcEnv env) throws ProcedureSuspendedException {<a name="line.159"></a> +<span class="sourceLineNo">160</span> LOG.info("EXECUTE " + this + " ntimeouts=" + ntimeouts);<a name="line.160"></a> +<span class="sourceLineNo">161</span> if (ntimeouts.get() > maxTimeouts) {<a name="line.161"></a> +<span class="sourceLineNo">162</span> setAbortFailure("test", "give up after " + ntimeouts.get());<a name="line.162"></a> +<span class="sourceLineNo">163</span> return null;<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> event.suspend();<a name="line.166"></a> +<span class="sourceLineNo">167</span> if (event.suspendIfNotReady(this)) {<a name="line.167"></a> +<span class="sourceLineNo">168</span> setState(ProcedureState.WAITING_TIMEOUT);<a name="line.168"></a> +<span class="sourceLineNo">169</span> throw new ProcedureSuspendedException();<a name="line.169"></a> +<span class="sourceLineNo">170</span> }<a name="line.170"></a> +<span class="sourceLineNo">171</span><a name="line.171"></a> +<span class="sourceLineNo">172</span> return null;<a name="line.172"></a> +<span class="sourceLineNo">173</span> }<a name="line.173"></a> +<span class="sourceLineNo">174</span><a name="line.174"></a> +<span class="sourceLineNo">175</span> @Override<a name="line.175"></a> +<span class="sourceLineNo">176</span> protected synchronized boolean setTimeoutFailure(final TestProcEnv env) {<a name="line.176"></a> +<span class="sourceLineNo">177</span> int n = ntimeouts.incrementAndGet();<a name="line.177"></a> +<span class="sourceLineNo">178</span> LOG.info("HANDLE TIMEOUT " + this + " ntimeouts=" + n);<a name="line.178"></a> +<span class="sourceLineNo">179</span> setState(ProcedureState.RUNNABLE);<a name="line.179"></a> +<span class="sourceLineNo">180</span> event.wake((AbstractProcedureScheduler) env.getProcedureScheduler());<a name="line.180"></a> +<span class="sourceLineNo">181</span> return false;<a name="line.181"></a> +<span class="sourceLineNo">182</span> }<a name="line.182"></a> +<span class="sourceLineNo">183</span><a name="line.183"></a> +<span class="sourceLineNo">184</span> @Override<a name="line.184"></a> +<span class="sourceLineNo">185</span> protected void afterReplay(final TestProcEnv env) {<a name="line.185"></a> +<span class="sourceLineNo">186</span> if (getState() == ProcedureState.WAITING_TIMEOUT) {<a name="line.186"></a> +<span class="sourceLineNo">187</span> event.suspend();<a name="line.187"></a> +<span class="sourceLineNo">188</span> event.suspendIfNotReady(this);<a name="line.188"></a> +<span class="sourceLineNo">189</span> }<a name="line.189"></a> +<span class="sourceLineNo">190</span> }<a name="line.190"></a> +<span class="sourceLineNo">191</span><a name="line.191"></a> +<span class="sourceLineNo">192</span> @Override<a name="line.192"></a> +<span class="sourceLineNo">193</span> protected void serializeStateData(ProcedureStateSerializer serializer)<a name="line.193"></a> +<span class="sourceLineNo">194</span> throws IOException {<a name="line.194"></a> +<span class="sourceLineNo">195</span> Int32Value.Builder ntimeoutsBuilder = Int32Value.newBuilder().setValue(ntimeouts.get());<a name="line.195"></a> +<span class="sourceLineNo">196</span> serializer.serialize(ntimeoutsBuilder.build());<a name="line.196"></a> +<span class="sourceLineNo">197</span><a name="line.197"></a> +<span class="sourceLineNo">198</span> Int32Value.Builder maxTimeoutsBuilder = Int32Value.newBuilder().setValue(maxTimeouts);<a name="line.198"></a> +<span class="sourceLineNo">199</span> serializer.serialize(maxTimeoutsBuilder.build());<a name="line.199"></a> +<span class="sourceLineNo">200</span> }<a name="line.200"></a> +<span class="sourceLineNo">201</span><a name="line.201"></a> +<span class="sourceLineNo">202</span> @Override<a name="line.202"></a> +<span class="sourceLineNo">203</span> protected void deserializeStateData(ProcedureStateSerializer serializer)<a name="line.203"></a> +<span class="sourceLineNo">204</span> throws IOException {<a name="line.204"></a> +<span class="sourceLineNo">205</span> Int32Value ntimeoutsValue = serializer.deserialize(Int32Value.class);<a name="line.205"></a> +<span class="sourceLineNo">206</span> ntimeouts.set(ntimeoutsValue.getValue());<a name="line.206"></a> +<span class="sourceLineNo">207</span><a name="line.207"></a> +<span class="sourceLineNo">208</span> Int32Value maxTimeoutsValue = serializer.deserialize(Int32Value.class);<a name="line.208"></a> +<span class="sourceLineNo">209</span> maxTimeouts = maxTimeoutsValue.getValue();<a name="line.209"></a> +<span class="sourceLineNo">210</span> }<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> private class TestProcEnv {<a name="line.213"></a> +<span class="sourceLineNo">214</span> public ProcedureScheduler getProcedureScheduler() {<a name="line.214"></a> +<span class="sourceLineNo">215</span> return procExecutor.getScheduler();<a name="line.215"></a> +<span class="sourceLineNo">216</span> }<a name="line.216"></a> +<span class="sourceLineNo">217</span> }<a name="line.217"></a> +<span class="sourceLineNo">218</span>}<a name="line.218"></a> http://git-wip-us.apache.org/repos/asf/hbase-site/blob/40477ee9/testdevapidocs/src-html/org/apache/hadoop/hbase/util/TestRetryCounter.html ---------------------------------------------------------------------- diff --git a/testdevapidocs/src-html/org/apache/hadoop/hbase/util/TestRetryCounter.html b/testdevapidocs/src-html/org/apache/hadoop/hbase/util/TestRetryCounter.html new file mode 100644 index 0000000..cb3ef85 --- /dev/null +++ b/testdevapidocs/src-html/org/apache/hadoop/hbase/util/TestRetryCounter.html @@ -0,0 +1,127 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd";> +<html lang="en"> +<head> +<title>Source code</title> +<link rel="stylesheet" type="text/css" href="../../../../../../stylesheet.css" title="Style"> +</head> +<body> +<div class="sourceContainer"> +<pre><span class="sourceLineNo">001</span>/**<a name="line.1"></a> +<span class="sourceLineNo">002</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.2"></a> +<span class="sourceLineNo">003</span> * or more contributor license agreements. See the NOTICE file<a name="line.3"></a> +<span class="sourceLineNo">004</span> * distributed with this work for additional information<a name="line.4"></a> +<span class="sourceLineNo">005</span> * regarding copyright ownership. The ASF licenses this file<a name="line.5"></a> +<span class="sourceLineNo">006</span> * to you under the Apache License, Version 2.0 (the<a name="line.6"></a> +<span class="sourceLineNo">007</span> * "License"); you may not use this file except in compliance<a name="line.7"></a> +<span class="sourceLineNo">008</span> * with the License. You may obtain a copy of the License at<a name="line.8"></a> +<span class="sourceLineNo">009</span> *<a name="line.9"></a> +<span class="sourceLineNo">010</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.10"></a> +<span class="sourceLineNo">011</span> *<a name="line.11"></a> +<span class="sourceLineNo">012</span> * Unless required by applicable law or agreed to in writing, software<a name="line.12"></a> +<span class="sourceLineNo">013</span> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.13"></a> +<span class="sourceLineNo">014</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.14"></a> +<span class="sourceLineNo">015</span> * See the License for the specific language governing permissions and<a name="line.15"></a> +<span class="sourceLineNo">016</span> * limitations under the License.<a name="line.16"></a> +<span class="sourceLineNo">017</span> */<a name="line.17"></a> +<span class="sourceLineNo">018</span>package org.apache.hadoop.hbase.util;<a name="line.18"></a> +<span class="sourceLineNo">019</span><a name="line.19"></a> +<span class="sourceLineNo">020</span>import static junit.framework.TestCase.assertTrue;<a name="line.20"></a> +<span class="sourceLineNo">021</span><a name="line.21"></a> +<span class="sourceLineNo">022</span>import org.apache.hadoop.hbase.HBaseClassTestRule;<a name="line.22"></a> +<span class="sourceLineNo">023</span>import org.apache.hadoop.hbase.testclassification.MiscTests;<a name="line.23"></a> +<span class="sourceLineNo">024</span>import org.apache.hadoop.hbase.testclassification.SmallTests;<a name="line.24"></a> +<span class="sourceLineNo">025</span>import org.junit.ClassRule;<a name="line.25"></a> +<span class="sourceLineNo">026</span>import org.junit.Test;<a name="line.26"></a> +<span class="sourceLineNo">027</span>import org.junit.experimental.categories.Category;<a name="line.27"></a> +<span class="sourceLineNo">028</span>import org.slf4j.Logger;<a name="line.28"></a> +<span class="sourceLineNo">029</span>import org.slf4j.LoggerFactory;<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>/**<a name="line.32"></a> +<span class="sourceLineNo">033</span>* Basic test for some old functionality we don't seem to have used but that looks nice.<a name="line.33"></a> +<span class="sourceLineNo">034</span> */<a name="line.34"></a> +<span class="sourceLineNo">035</span>@Category({MiscTests.class, SmallTests.class})<a name="line.35"></a> +<span class="sourceLineNo">036</span>public class TestRetryCounter {<a name="line.36"></a> +<span class="sourceLineNo">037</span> @ClassRule<a name="line.37"></a> +<span class="sourceLineNo">038</span> public static final HBaseClassTestRule CLASS_RULE =<a name="line.38"></a> +<span class="sourceLineNo">039</span> HBaseClassTestRule.forClass(TestRetryCounter.class);<a name="line.39"></a> +<span class="sourceLineNo">040</span> private static final Logger LOG = LoggerFactory.getLogger(TestRetryCounter.class);<a name="line.40"></a> +<span class="sourceLineNo">041</span><a name="line.41"></a> +<span class="sourceLineNo">042</span> @Test<a name="line.42"></a> +<span class="sourceLineNo">043</span> public void testBasics() throws InterruptedException {<a name="line.43"></a> +<span class="sourceLineNo">044</span> int maxAttempts = 10;<a name="line.44"></a> +<span class="sourceLineNo">045</span> RetryCounterFactory factory =<a name="line.45"></a> +<span class="sourceLineNo">046</span> new RetryCounterFactory(maxAttempts, 10, 1000);<a name="line.46"></a> +<span class="sourceLineNo">047</span> RetryCounter retryCounter = factory.create();<a name="line.47"></a> +<span class="sourceLineNo">048</span> while (retryCounter.shouldRetry()) {<a name="line.48"></a> +<span class="sourceLineNo">049</span> LOG.info("Attempt={}, backoffTime={}", retryCounter.getAttemptTimes(),<a name="line.49"></a> +<span class="sourceLineNo">050</span> retryCounter.getBackoffTime());<a name="line.50"></a> +<span class="sourceLineNo">051</span> retryCounter.sleepUntilNextRetry();<a name="line.51"></a> +<span class="sourceLineNo">052</span> }<a name="line.52"></a> +<span class="sourceLineNo">053</span> assertTrue(retryCounter.getAttemptTimes() == maxAttempts);<a name="line.53"></a> +<span class="sourceLineNo">054</span> }<a name="line.54"></a> +<span class="sourceLineNo">055</span>}<a name="line.55"></a> + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +</pre> +</div> +</body> +</html>
