diff options
Diffstat (limited to 'jpa/plugins/org.eclipse.jpt.utility/src/org/eclipse/jpt/utility/internal/node/RunnableValidation.java')
| -rw-r--r-- | jpa/plugins/org.eclipse.jpt.utility/src/org/eclipse/jpt/utility/internal/node/RunnableValidation.java | 129 |
1 files changed, 0 insertions, 129 deletions
diff --git a/jpa/plugins/org.eclipse.jpt.utility/src/org/eclipse/jpt/utility/internal/node/RunnableValidation.java b/jpa/plugins/org.eclipse.jpt.utility/src/org/eclipse/jpt/utility/internal/node/RunnableValidation.java deleted file mode 100644 index 4234010fce..0000000000 --- a/jpa/plugins/org.eclipse.jpt.utility/src/org/eclipse/jpt/utility/internal/node/RunnableValidation.java +++ /dev/null @@ -1,129 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2007 Oracle. All rights reserved. - * This program and the accompanying materials are made available under the - * terms of the Eclipse Public License v1.0, which accompanies this distribution - * and is available at http://www.eclipse.org/legal/epl-v10.html. - * - * Contributors: - * Oracle - initial API and implementation - ******************************************************************************/ -package org.eclipse.jpt.utility.internal.node; - -import java.util.logging.Level; -import java.util.logging.LogRecord; -import java.util.logging.Logger; - -import org.eclipse.jpt.utility.internal.SynchronizedBoolean; - -/** - * This implementation of Runnable will asynchronously validate - * a branch of nodes. It will wait until a shared "validate" flag is - * set to validate the branch. Once the the branch is validated, - * the thread will quiesce until the flag is set again. - * - * There are two ways to stop this thread: - * - Thread.interrupt() - * - set the "continue" flag to false - * For now, these two are equivalent; but in the future we might - * pass the "continue" flag to the Node.validateBranch() - * method so we can short-circuit the validation instead of waiting - * until the entire branch is validated. - */ -public class RunnableValidation - implements Runnable -{ - /** The node whose branch this thread will validate. */ - private final Node node; - - /** When this flag is set to true, we kick off the validation routine. */ - private final SynchronizedBoolean validateFlag; - - /** When this flag is set to false, we allow this thread to die. */ - private final SynchronizedBoolean continueFlag; - - /** Log any exceptions encountered during validation with the following settings. */ - private final Logger exceptionLogger; - private final Level exceptionLevel; - private final String exceptionMessage; - - - /** - * Construct a validation thread. - */ - public RunnableValidation( - Node node, - SynchronizedBoolean validateFlag, - SynchronizedBoolean continueFlag, - Logger exceptionLogger, - Level exceptionLevel, - String exceptionMessage - ) { - super(); - this.node = node; - this.validateFlag = validateFlag; - this.continueFlag = continueFlag; - this.exceptionLogger = exceptionLogger; - this.exceptionLevel = exceptionLevel; - this.exceptionMessage = exceptionMessage; - } - - - // ********** Runnable Implementation ********** - - /** - * Loop while the "continue" flag is true and the thread - * has not been interrupted by another thread. - * In each loop: Wait until the "validate" flag is set to true, - * then set it back to false and validate the branch of nodes. - */ - public void run() { - while (this.continueFlag.isTrue()) { - try { - this.validateFlag.waitToSetFalse(); - } catch (InterruptedException ex) { - // we were interrupted while waiting, must be quittin' time - return; - } - this.validateNode(); - } - } - - /** - * Validate the node, logging any exceptions. - * If an exception occurs, we terminate the validation until the - * "validation" flag is set again. Some exceptions occur because - * of concurrent changes to the model that occur *after* validation - * starts but before it completes an entire pass over the model. If that - * is the case, things should be OK; because the exception will be - * caught and the "validation" flag will have been set again *during* the - * initial validation pass. So when we return from catching the exception - * we will simply re-start the validation, hopefully with the model in - * a consistent state that will prevent another exception from - * occurring. Of course, if we have any exceptions that are *not* - * the result of the model being in an inconsistent state, we will - * probably fill the log; and those exceptions are bugs that need - * to be fixed. (!) Hopefully the user will notice the enormous log and - * contact support.... ~bjv - */ - private void validateNode() { - try { - this.node.validateBranch(); - } catch (Throwable ex) { - this.logException(ex); - } - } - - /** - * We need to do all this because Logger#log(LogRecord) does not pass through - * Logger#doLog(LogRecord) like all the other Logger#log(...) methods. - */ - private void logException(Throwable ex) { - LogRecord logRecord = new LogRecord(this.exceptionLevel, this.exceptionMessage); - logRecord.setParameters(new Object[] { this.node.displayString() }); - logRecord.setThrown(ex); - logRecord.setLoggerName(this.exceptionLogger.getName()); - logRecord.setResourceBundle(this.exceptionLogger.getResourceBundle()); - this.exceptionLogger.log(logRecord); - } - -} |