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authorBrian Vosburgh2013-03-13 14:53:48 -0400
committerBrian Vosburgh2013-03-13 14:53:48 -0400
commit111d6ad9ea8731905c19691264dcc2d196f9478f (patch)
treeaf1c4038b73a57e6b3296a48f7cfee9497d6e3c5 /common/plugins/org.eclipse.jpt.common.core/src
parentcd8c94d375dc19586fdb3249c82d980f733a18b4 (diff)
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clean up RepeatingJobCommand
Diffstat (limited to 'common/plugins/org.eclipse.jpt.common.core/src')
-rw-r--r--common/plugins/org.eclipse.jpt.common.core/src/org/eclipse/jpt/common/core/internal/utility/command/NullRepeatingJobCommand.java59
-rw-r--r--common/plugins/org.eclipse.jpt.common.core/src/org/eclipse/jpt/common/core/utility/command/RepeatingJobCommand.java48
2 files changed, 62 insertions, 45 deletions
diff --git a/common/plugins/org.eclipse.jpt.common.core/src/org/eclipse/jpt/common/core/internal/utility/command/NullRepeatingJobCommand.java b/common/plugins/org.eclipse.jpt.common.core/src/org/eclipse/jpt/common/core/internal/utility/command/NullRepeatingJobCommand.java
new file mode 100644
index 0000000000..fb4aef1e54
--- /dev/null
+++ b/common/plugins/org.eclipse.jpt.common.core/src/org/eclipse/jpt/common/core/internal/utility/command/NullRepeatingJobCommand.java
@@ -0,0 +1,59 @@
+/*******************************************************************************
+ * Copyright (c) 2012, 2013 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.common.core.internal.utility.command;
+
+import java.io.Serializable;
+import org.eclipse.core.runtime.IProgressMonitor;
+import org.eclipse.core.runtime.IStatus;
+import org.eclipse.core.runtime.Status;
+import org.eclipse.jpt.common.core.utility.command.RepeatingJobCommand;
+import org.eclipse.jpt.common.utility.internal.ObjectTools;
+
+/**
+ * Singleton implementation of the repeating job command interface that
+ * will do nothing when executed.
+ */
+public final class NullRepeatingJobCommand
+ implements RepeatingJobCommand, Serializable
+{
+ public static final RepeatingJobCommand INSTANCE = new NullRepeatingJobCommand();
+
+ public static RepeatingJobCommand instance() {
+ return INSTANCE;
+ }
+
+ // ensure single instance
+ private NullRepeatingJobCommand() {
+ super();
+ }
+
+ public void start() {
+ // do nothing
+ }
+
+ public IStatus execute(IProgressMonitor monitor) {
+ return Status.OK_STATUS;
+ }
+
+ public void stop() {
+ // do nothing
+ }
+
+ @Override
+ public String toString() {
+ return ObjectTools.singletonToString(this);
+ }
+
+ private static final long serialVersionUID = 1L;
+ private Object readResolve() {
+ // replace this object with the singleton
+ return INSTANCE;
+ }
+}
diff --git a/common/plugins/org.eclipse.jpt.common.core/src/org/eclipse/jpt/common/core/utility/command/RepeatingJobCommand.java b/common/plugins/org.eclipse.jpt.common.core/src/org/eclipse/jpt/common/core/utility/command/RepeatingJobCommand.java
index 461d5671d6..35b0967ff3 100644
--- a/common/plugins/org.eclipse.jpt.common.core/src/org/eclipse/jpt/common/core/utility/command/RepeatingJobCommand.java
+++ b/common/plugins/org.eclipse.jpt.common.core/src/org/eclipse/jpt/common/core/utility/command/RepeatingJobCommand.java
@@ -1,5 +1,5 @@
/*******************************************************************************
- * Copyright (c) 2012 Oracle. All rights reserved.
+ * Copyright (c) 2012, 2013 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.
@@ -9,12 +9,6 @@
******************************************************************************/
package org.eclipse.jpt.common.core.utility.command;
-import java.io.Serializable;
-import org.eclipse.core.runtime.IProgressMonitor;
-import org.eclipse.core.runtime.IStatus;
-import org.eclipse.core.runtime.Status;
-import org.eclipse.jpt.common.utility.internal.ObjectTools;
-
/**
* This job command will execute repeatedly the minimum
* number of times. The assumption is the job command's effects are
@@ -35,51 +29,15 @@ public interface RepeatingJobCommand
{
/**
* Start the job command, allowing it to begin executing with the next call
- * to {@link #execute(IProgressMonitor)}.
+ * to {@link #execute(org.eclipse.core.runtime.IProgressMonitor)}.
* @exception IllegalStateException when the command is not stopped
*/
void start();
/**
* Stop the job command; ignore further calls to
- * {@link #execute(IProgressMonitor)}.
+ * {@link #execute(org.eclipse.core.runtime.IProgressMonitor)}.
* @exception IllegalStateException when the command executor is not started
*/
void stop() throws InterruptedException;
-
-
- /**
- * Singleton implementation of the repeating job command interface that
- * will do nothing when executed.
- */
- final class Null
- implements RepeatingJobCommand, Serializable
- {
- public static final RepeatingJobCommand INSTANCE = new Null();
- public static RepeatingJobCommand instance() {
- return INSTANCE;
- }
- // ensure single instance
- private Null() {
- super();
- }
- public void start() {
- // do nothing
- }
- public IStatus execute(IProgressMonitor monitor) {
- return Status.OK_STATUS;
- }
- public void stop() {
- // do nothing
- }
- @Override
- public String toString() {
- return ObjectTools.singletonToString(this);
- }
- private static final long serialVersionUID = 1L;
- private Object readResolve() {
- // replace this object with the singleton
- return INSTANCE;
- }
- }
}

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