/*******************************************************************************
- * Copyright (c) 2007, 2010 Association for Decentralized Information Management
+ * Copyright (c) 2007, 2018 Association for Decentralized Information Management
* in Industry THTH ry.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
*******************************************************************************/
package org.simantics.db.impl.graph;
-import java.util.ArrayList;
-import java.util.Arrays;
import java.util.Collection;
-import java.util.HashMap;
import java.util.concurrent.atomic.AtomicInteger;
import org.simantics.db.common.utils.Logger;
import org.simantics.db.exception.RuntimeDatabaseException;
+import org.simantics.db.impl.query.CacheEntry;
import org.simantics.db.impl.query.QueryProcessor.AsyncBarrier;
-import org.simantics.db.impl.query.QueryProcessor.SessionTask;
-import org.simantics.utils.Development;
final public class AsyncBarrierImpl extends AtomicInteger implements AsyncBarrier {
private static final long serialVersionUID = 4724463372850048672L;
- static final HashMap<AsyncBarrierImpl, Collection<AsyncBarrierImpl>> reverseLookup = new HashMap<AsyncBarrierImpl, Collection<AsyncBarrierImpl>>();
- static final HashMap<AsyncBarrierImpl, Debugger> debuggerMap = new HashMap<AsyncBarrierImpl, Debugger>();
- static final HashMap<AsyncBarrierImpl, Boolean> restartMap = new HashMap<AsyncBarrierImpl, Boolean>();
-
static final int WAIT_TIME = 600;
- public static final boolean BOOKKEEPING = false;
public static final boolean PRINT = false;
- static final boolean RESTART_GUARD = false;
- final private AsyncBarrierImpl caller;
+ final public AsyncBarrierImpl caller;
- public AsyncBarrierImpl(AsyncBarrierImpl caller) {
+ public AsyncBarrierImpl(AsyncBarrierImpl caller, CacheEntry<?> entry) {
super(0);
- if (BOOKKEEPING) {
- synchronized (debuggerMap) {
- debuggerMap.put(this, new Debugger());
- }
- synchronized (reverseLookup) {
- Collection<AsyncBarrierImpl> barriers = reverseLookup
- .get(caller);
- if (barriers == null) {
- barriers = new ArrayList<AsyncBarrierImpl>();
- reverseLookup.put(caller, barriers);
- }
- barriers.add(this);
- }
- }
this.caller = caller;
+ if (BarrierTracing.BOOKKEEPING) {
+ BarrierTracing.trace(this, entry);
+ }
}
- public class Debugger {
- public HashMap<Object, ArrayList<String>> infos = new HashMap<Object, ArrayList<String>>();
-
- public synchronized void inc(Object id, String info) {
- if (id == null)
- return;
- ArrayList<String> exist = infos.get(id);
- if (exist == null) {
- exist = new ArrayList<String>();
- infos.put(id, exist);
- } else {
- // System.err.println("Appending " + id + " += " + info);
- }
- exist.add(info);
- // String exist = infos.put(id, info);
- // if(exist != null) System.err.println("replacing " + exist +
- // " => " + info + " for " + id);
- }
-
- public synchronized void dec(Object id) {
- if (id == null)
- return;
- ArrayList<String> exist = infos.get(id);
- if (exist == null) {
- System.err.println("No data for " + id);
- } else {
- exist.remove(0);
- if (exist.isEmpty())
- infos.remove(id);
- }
- }
-
- @Override
- public synchronized String toString() {
- StringBuilder b = new StringBuilder();
- for (ArrayList<String> ss : infos.values()) {
- for (String s : ss)
- b.append("info " + s + "\r\n");
- }
- return b.toString();
- }
-
- public synchronized void toErr(int indent) {
- char[] spaces = new char[indent];
- Arrays.fill(spaces, ' ');
- for (ArrayList<String> ss : infos.values()) {
- for (String s : ss) {
- if (!s.startsWith("#"))
- continue;
- StringBuilder b = new StringBuilder();
- b.append(spaces);
- b.append(s);
- System.err.println(b.toString());
- }
- }
- }
- }
public void inc() {
- if (BOOKKEEPING)
- inc(new Object(), new Exception().getStackTrace()[1].toString());
- else
- inc(null, null);
-
+ if(BarrierTracing.BOOKKEEPING) {
+ BarrierTracing.inc(this);
+ } else {
+ inc(null, null);
+ }
+
}
- public void inc(String debug) {
-
- if (BOOKKEEPING)
- inc(new Object(), new Exception().getStackTrace()[1].toString());
- else
- inc(null, null);
-
- }
-
- public void inc(Object id, String info) {
-
- // if (PRINT) {
- // if (get() < 5)
- // new Exception("inc " + get() + " " + this).printStackTrace();
- // }
-
- if (BOOKKEEPING) {
- Debugger debugger = debuggerMap.get(this);
- if (debugger != null)
- debugger.inc(id, info);
- // StackTraceElement[] tr = new Exception().getStackTrace();
- // if(tr.length == 4)
- // debugger.inc(new String[] { debug, tr[2].toString(),
- // tr[3].toString() });
- // else if(tr.length == 5)
- // debugger.inc(new String[] { debug, tr[2].toString(),
- // tr[3].toString(), tr[4].toString() });
- // else if(tr.length == 6)
- // debugger.inc(new String[] { debug, tr[2].toString(),
- // tr[3].toString(), tr[4].toString(), tr[5].toString() });
- // else
- // debugger.inc(new String[] { debug, tr[2].toString(),
- // tr[3].toString(), tr[4].toString(), tr[5].toString(),
- // tr[6].toString() });
- }
-
- // new Exception().printStackTrace();
+ void inc(Object id, String info) {
if(PRINT) {
-
System.err.println("inc barrier[" + get() + "] " + this);
StackTraceElement[] elems = new Exception().getStackTrace();
for(int i=0;i<4;i++) System.err.println(elems[i]);
-
}
if (incrementAndGet() == 1) {
if (caller != null) {
- if (BOOKKEEPING)
- caller.inc(this, "Child");
- else
- caller.inc(null, null);
+ if(BarrierTracing.BOOKKEEPING) {
+ caller.inc(this, "Child");
+ } else {
+ caller.inc(null, null);
+ }
}
}
int count = decrementAndGet();
if (count < 1) {
+ if(BarrierTracing.BOOKKEEPING) {
+ BarrierTracing.dec(this, count);
+ }
if (count == 0) {
- if (caller != null)
- caller.dec(this);
- // sema.release();
+ if (caller != null) {
+ caller.dec();
+ }
}
if (count < 0) {
Logger.defaultLogError(
}
- public void dec(Object id) {
-
- if (PRINT) {
- if (get() < 5)
- new Exception("dec" + get() + " " + this).printStackTrace();
- }
-
- if (BOOKKEEPING) {
- Debugger debugger = debuggerMap.get(this);
- if (debugger != null)
- debugger.dec(id);
- // StackTraceElement[] tr = new Exception().getStackTrace();
- // if(tr.length == 3)
- // debugger.dec(new String[] { debug, tr[2].toString() });
- // else if(tr.length == 4)
- // debugger.dec(new String[] { debug, tr[2].toString(),
- // tr[3].toString() });
- // else
- // debugger.dec(new String[] { debug, tr[2].toString(),
- // tr[3].toString(), tr[4].toString() });
- }
-
- // System.err.println("barrier " + this);
- // StackTraceElement[] elems = new Exception().getStackTrace();
- // for(int i=0;i<3;i++) System.err.println(elems[i]);
- // new Exception().printStackTrace();
-
- int count = decrementAndGet();
- if (count < 1) {
- if (count == 0) {
- if (caller != null)
- caller.dec(this);
- if (RESTART_GUARD)
- restartMap.put(this, true);
- // sema.release();
- // if(DEBUGGER) {
- // debuggerMap.remove(this);
- // }
- // if(REVERSE_LOOKUP) {
- // reverseLookup.remove(this);
- // }
- }
- if (count < 0) {
- Logger.defaultLogError(
- "Database request processing error. The application code has performed illegal actions (probably called multiple times the execute or exception method of a single result request.",
- new Exception());
- // String message = ;
- // System.out.println(message);
- // if (DEBUGGER) {
- // JOptionPane.showMessageDialog(null, message);
- // System.out.println(debugger);
- // }
- // sema.release();
- System.exit(-1);
- }
- assert (count >= 0);
- }
+ public static String report(AsyncBarrierImpl barrier) {
+ CacheEntry<?> e = BarrierTracing.entryMap.get(barrier);
+ if(e != null) return e.toString();
+ else return "Barrier@" + System.identityHashCode(barrier);
}
-
- private static void printReverse(AsyncBarrierImpl barrier, int indent) {
+
+ public static void printReverse(AsyncBarrierImpl barrier, int indent) {
if (barrier.get() == 0)
return;
for (int i = 0; i < indent; i++)
System.err.print(" ");
- System.err.println("[" + barrier.get() + " requests]: " + barrier);
- if (BOOKKEEPING) {
- Debugger debugger = debuggerMap.get(barrier);
- debugger.toErr(indent + 2);
- }
+ System.err.println("[" + barrier.get() + " requests]: " + report(barrier));
+// if (BOOKKEEPING) {
+// Debugger debugger = debuggerMap.get(barrier);
+// debugger.toErr(indent + 2);
+// }
- Collection<AsyncBarrierImpl> children = reverseLookup.get(barrier);
+ Collection<AsyncBarrierImpl> children = BarrierTracing.reverseLookup.get(barrier);
if (children != null) {
for (AsyncBarrierImpl child : children)
printReverse(child, indent + 2);
while (get() != 0) {
- boolean executed = impl.processor.resume(impl);
+ boolean executed = impl.performPending();
if(executed) waitCount = 0;
++waitCount;
+ ") is taking long to execute, so far "
+ (waitCount / 1000) + " s.");
- if (BOOKKEEPING) {
-
- synchronized (reverseLookup) {
+ if (BarrierTracing.BOOKKEEPING) {
+ synchronized (BarrierTracing.reverseLookup) {
printReverse(this, 0);
}
-
}
- if(Development.DEVELOPMENT) {
-
- impl.processor.threadLocks[0].lock();
- System.err.println("-queues=" + impl.processor.queues[0].size());
- impl.processor.threadLocks[0].unlock();
- System.err.println("-own=" + impl.processor.ownTasks[0].size());
- System.err.println("-ownSync=" + impl.processor.ownSyncTasks[0].size());
- for(SessionTask task : impl.processor.ownSyncTasks[0]) {
- System.err.println("--" + task);
- }
-
- }
+// if(Development.DEVELOPMENT) {
+// impl.processor.threadLocks[0].lock();
+// System.err.println("-queues=" + impl.processor.queues[0].size());
+// impl.processor.threadLocks[0].unlock();
+// System.err.println("-own=" + impl.processor.ownTasks[0].size());
+// System.err.println("-ownSync=" + impl.processor.ownSyncTasks[0].size());
+// for(SessionTask task : impl.processor.ownSyncTasks[0]) {
+// System.err.println("--" + task);
+// }
+// }
throw new RuntimeDatabaseException("Request timed out.");
//waitCount = 0;
public void restart() {
assertReady();
- // log.clear();
- // sema.drainPermits();
- if (RESTART_GUARD)
- restartMap.remove(this);
- if (BOOKKEEPING)
- debuggerMap.put(this, new Debugger());
+ if(BarrierTracing.BOOKKEEPING) {
+ BarrierTracing.restart(this);
+ }
}
public void assertReady() {
@Override
public String toString() {
- return "AsyncBarrierImpl@" + System.identityHashCode(this)
- + " - counter = " + get() + " - caller = " + caller;
+ return report(this);
+// return "AsyncBarrierImpl@" + System.identityHashCode(this)
+// + " - counter = " + get() + " - caller = " + caller;
}
}
Code Review / simantics / platform.git / blobdiff