refactor: remove-redundant-initialization

Signed-off-by: Carlos Garcia <bcode@protonmail.com>
quartz-scheduler · Nov 7, 2024 · 6b474d6 · 6b474d6
1 parent 33ef506
commit 6b474d6
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Showing 20 changed files with 50 additions and 50 deletions.
diff --git a/quartz/src/main/java/org/quartz/core/JobRunShell.java b/quartz/src/main/java/org/quartz/core/JobRunShell.java
@@ -69,9 +69,9 @@ public class JobRunShell extends SchedulerListenerSupport implements Runnable {
 
     protected QuartzScheduler qs = null;
 
-    protected TriggerFiredBundle firedTriggerBundle = null;
+    protected TriggerFiredBundle firedTriggerBundle;
 
-    protected Scheduler scheduler = null;
+    protected Scheduler scheduler;
 
     protected volatile boolean shutdownRequested = false;
 
@@ -121,7 +121,7 @@ public void initialize(QuartzScheduler sched)
         throws SchedulerException {
         this.qs = sched;
 
-        Job job = null;
+        Job job;
         JobDetail jobDetail = firedTriggerBundle.getJobDetail();
 
         try {
@@ -195,7 +195,7 @@ public void run() {
                 }
 
                 long startTime = System.currentTimeMillis();
-                long endTime = startTime;
+                long endTime;
 
                 // execute the job
                 try {
@@ -287,7 +287,7 @@ public void passivate() {
 
     private boolean notifyListenersBeginning(JobExecutionContext jobExCtx) throws VetoedException {
 
-        boolean vetoed = false;
+        boolean vetoed;
 
         // notify all trigger listeners
         try {

diff --git a/quartz/src/main/java/org/quartz/core/QuartzScheduler.java b/quartz/src/main/java/org/quartz/core/QuartzScheduler.java
@@ -360,7 +360,7 @@ private void bind() throws RemoteException {
             return;
         }
 
-        RemotableQuartzScheduler exportable = null;
+        RemotableQuartzScheduler exportable;
 
         if(resources.getRMIServerPort() > 0) {
             exportable = (RemotableQuartzScheduler) UnicastRemoteObject
@@ -370,7 +370,7 @@ private void bind() throws RemoteException {
                 .exportObject(this, 1099);
         }
 
-        Registry registry = null;
+        Registry registry;
 
         if (resources.getRMICreateRegistryStrategy().equals(
                 QuartzSchedulerResources.CREATE_REGISTRY_AS_NEEDED)) {
@@ -965,7 +965,7 @@ public boolean deleteJob(JobKey jobKey) throws SchedulerException {
     public boolean deleteJobs(List<JobKey> jobKeys)  throws SchedulerException {
         validateState();
 
-        boolean result = false;
+        boolean result;
 
         result = resources.getJobStore().removeJobs(jobKeys);
         notifySchedulerThread(0L);
@@ -1030,7 +1030,7 @@ public void scheduleJob(JobDetail jobDetail, Set<? extends Trigger> triggersForJ
     public boolean unscheduleJobs(List<TriggerKey> triggerKeys) throws SchedulerException  {
         validateState();
 
-        boolean result = false;
+        boolean result;
 
         result = resources.getJobStore().removeTriggers(triggerKeys);
         notifySchedulerThread(0L);
@@ -2263,8 +2263,8 @@ public boolean interrupt(JobKey jobKey) throws UnableToInterruptJobException {
 
         List<JobExecutionContext> jobs = getCurrentlyExecutingJobs();
 
-        JobDetail jobDetail = null;
-        Job job = null;
+        JobDetail jobDetail;
+        Job job;
 
         boolean interrupted = false;
 
@@ -2301,7 +2301,7 @@ public boolean interrupt(JobKey jobKey) throws UnableToInterruptJobException {
     public boolean interrupt(String fireInstanceId) throws UnableToInterruptJobException {
         List<JobExecutionContext> jobs = getCurrentlyExecutingJobs();
 
-        Job job = null;
+        Job job;
 
         for(JobExecutionContext jec : jobs) {
             if (jec.getFireInstanceId().equals(fireInstanceId)) {

diff --git a/quartz/src/main/java/org/quartz/core/QuartzSchedulerThread.java b/quartz/src/main/java/org/quartz/core/QuartzSchedulerThread.java
@@ -355,7 +355,7 @@ public void run() {
                         // set triggers to 'executing'
                         List<TriggerFiredResult> bundles = new ArrayList<>();
 
-                        boolean goAhead = true;
+                        boolean goAhead;
                         synchronized(sigLock) {
                             goAhead = !halted.get();
                         }
@@ -397,7 +397,7 @@ public void run() {
                                 continue;
                             }
 
-                            JobRunShell shell = null;
+                            JobRunShell shell;
                             try {
                                 shell = qsRsrcs.getJobRunShellFactory().createJobRunShell(bundle);
                                 shell.initialize(qs);

diff --git a/quartz/src/main/java/org/quartz/core/jmx/TriggerSupport.java b/quartz/src/main/java/org/quartz/core/jmx/TriggerSupport.java
@@ -171,7 +171,7 @@ public static void initializeTrigger(MutableTrigger trigger, Map<String, Object>
     }
 
     public static OperableTrigger newTrigger(CompositeData cData) throws ParseException {
-        OperableTrigger result = null;
+        OperableTrigger result;
         if(cData.containsKey("cronExpression")) {
             result = CronTriggerSupport.newTrigger(cData);
         } else {
@@ -181,7 +181,7 @@ public static OperableTrigger newTrigger(CompositeData cData) throws ParseExcept
     }
 
     public static OperableTrigger newTrigger(Map<String, Object> attrMap) throws ParseException {
-        OperableTrigger result = null;
+        OperableTrigger result;
         if(attrMap.containsKey("cronExpression")) {
             result = CronTriggerSupport.newTrigger(attrMap);
         } else {

diff --git a/quartz/src/main/java/org/quartz/impl/JobExecutionContextImpl.java b/quartz/src/main/java/org/quartz/impl/JobExecutionContextImpl.java
@@ -58,7 +58,7 @@ public class JobExecutionContextImpl implements java.io.Serializable, JobExecuti
 
     private final Calendar calendar;
 
-    private boolean recovering = false;
+    private boolean recovering;
 
     private int numRefires = 0;
 

diff --git a/quartz/src/main/java/org/quartz/impl/StdSchedulerFactory.java b/quartz/src/main/java/org/quartz/impl/StdSchedulerFactory.java
@@ -528,7 +528,7 @@ public void initialize(String filename) throws SchedulerException {
             throw initException;
         }
 
-        InputStream is = null;
+        InputStream is;
         Properties props = new Properties();
 
         is = Thread.currentThread().getContextClassLoader().getResourceAsStream(filename);
@@ -616,12 +616,12 @@ private Scheduler instantiate() throws SchedulerException {
             throw initException;
         }
 
-        JobStore js = null;
-        ThreadPool tp = null;
+        JobStore js;
+        ThreadPool tp;
         QuartzScheduler qs = null;
         DBConnectionManager dbMgr = null;
         String instanceIdGeneratorClass = null;
-        Properties tProps = null;
+        Properties tProps;
         String userTXLocation = null;
         boolean wrapJobInTx = false;
         boolean autoId = false;
@@ -741,7 +741,7 @@ else if (schedInstId.equals(SYSTEM_PROPERTY_AS_INSTANCE_ID)) {
 
 
         // Create class load helper
-        ClassLoadHelper loadHelper = null;
+        ClassLoadHelper loadHelper;
         try {
             loadHelper = (ClassLoadHelper) loadClass(classLoadHelperClass).getDeclaredConstructor().newInstance();
         } catch (Exception e) {
@@ -762,7 +762,7 @@ else if (schedInstId.equals(SYSTEM_PROPERTY_AS_INSTANCE_ID)) {
                 throw new SchedulerConfigException("No JMX Proxy Scheduler class provided");
             }
 
-            RemoteMBeanScheduler jmxScheduler = null;
+            RemoteMBeanScheduler jmxScheduler;
             try {
                 jmxScheduler = (RemoteMBeanScheduler) loadHelper.loadClass(jmxProxyClass).getDeclaredConstructor()
                         .newInstance();
@@ -942,7 +942,7 @@ else if (schedInstId.equals(SYSTEM_PROPERTY_AS_INSTANCE_ID)) {
 
             // custom connectionProvider...
             if (cpClass != null) {
-                ConnectionProvider cp = null;
+                ConnectionProvider cp;
                 try {
                     cp = (ConnectionProvider) loadHelper.loadClass(cpClass).getDeclaredConstructor().newInstance();
                 } catch (Exception e) {
@@ -1036,7 +1036,7 @@ else if (schedInstId.equals(SYSTEM_PROPERTY_AS_INSTANCE_ID)) {
                     log.info("Using ConnectionProvider class '" + cpClass + "' for data source '" + dsName + "'");
 
                     try {
-                        ConnectionProvider cp = null;
+                        ConnectionProvider cp;
                         try {
                             Constructor constructor = loadHelper.loadClass(cpClass).getConstructor(Properties.class);
                             cp = (ConnectionProvider) constructor.newInstance(pp.getUnderlyingProperties());
@@ -1079,7 +1079,7 @@ else if (schedInstId.equals(SYSTEM_PROPERTY_AS_INSTANCE_ID)) {
                                 + pluginNames[i] + "'");
                 throw initException;
             }
-            SchedulerPlugin plugin = null;
+            SchedulerPlugin plugin;
             try {
                 plugin = (SchedulerPlugin)
                         loadHelper.loadClass(plugInClass).getDeclaredConstructor().newInstance();
@@ -1119,7 +1119,7 @@ else if (schedInstId.equals(SYSTEM_PROPERTY_AS_INSTANCE_ID)) {
                                 + jobListenerNames[i] + "'");
                 throw initException;
             }
-            JobListener listener = null;
+            JobListener listener;
             try {
                 listener = (JobListener)
                         loadHelper.loadClass(listenerClass).getDeclaredConstructor().newInstance();
@@ -1167,7 +1167,7 @@ else if (schedInstId.equals(SYSTEM_PROPERTY_AS_INSTANCE_ID)) {
                                 + triggerListenerNames[i] + "'");
                 throw initException;
             }
-            TriggerListener listener = null;
+            TriggerListener listener;
             try {
                 listener = (TriggerListener)
                         loadHelper.loadClass(listenerClass).getDeclaredConstructor().newInstance();
@@ -1230,7 +1230,7 @@ else if (schedInstId.equals(SYSTEM_PROPERTY_AS_INSTANCE_ID)) {
         try {
 
 
-            JobRunShellFactory jrsf = null; // Create correct run-shell factory...
+            JobRunShellFactory jrsf; // Create correct run-shell factory...
 
             if (userTXLocation != null) {
                 UserTransactionHelper.setUserTxLocation(userTXLocation);

diff --git a/quartz/src/main/java/org/quartz/impl/jdbcjobstore/HSQLDBDelegate.java b/quartz/src/main/java/org/quartz/impl/jdbcjobstore/HSQLDBDelegate.java
@@ -65,7 +65,7 @@ protected Object getObjectFromBlob(ResultSet rs, String colName)
             return null;
         }
 
-        Object obj = null;
+        Object obj;
 
         try (ObjectInputStream in = new ObjectInputStream(binaryInput)) {
             obj = in.readObject();

diff --git a/quartz/src/main/java/org/quartz/impl/jdbcjobstore/JobStoreCMT.java b/quartz/src/main/java/org/quartz/impl/jdbcjobstore/JobStoreCMT.java
@@ -162,7 +162,7 @@ public void shutdown() {
     @Override
     protected Connection getNonManagedTXConnection()
         throws JobPersistenceException {
-        Connection conn = null;
+        Connection conn;
         try {
             conn = DBConnectionManager.getInstance().getConnection(
                     getNonManagedTXDataSource());

diff --git a/quartz/src/main/java/org/quartz/impl/jdbcjobstore/MSSQLDelegate.java b/quartz/src/main/java/org/quartz/impl/jdbcjobstore/MSSQLDelegate.java
@@ -72,7 +72,7 @@ protected Object getObjectFromBlob(ResultSet rs, String colName)
             return null;
         }
 
-        Object obj = null;
+        Object obj;
 
         try (ObjectInputStream in = new ObjectInputStream(binaryInput)) {
             obj = in.readObject();

diff --git a/quartz/src/main/java/org/quartz/impl/jdbcjobstore/PointbaseDelegate.java b/quartz/src/main/java/org/quartz/impl/jdbcjobstore/PointbaseDelegate.java
@@ -69,7 +69,7 @@ public int insertJobDetail(Connection conn, JobDetail job)
 
         PreparedStatement ps = null;
 
-        int insertResult = 0;
+        int insertResult;
 
         try {
             ps = conn.prepareStatement(rtp(INSERT_JOB_DETAIL));
@@ -114,7 +114,7 @@ public int updateJobDetail(Connection conn, JobDetail job)
 
         PreparedStatement ps = null;
 
-        int insertResult = 0;
+        int insertResult;
 
         try {
             ps = conn.prepareStatement(rtp(UPDATE_JOB_DETAIL));
@@ -146,7 +146,7 @@ public int insertTrigger(Connection conn, OperableTrigger trigger, String state,
 
         PreparedStatement ps = null;
 
-        int insertResult = 0;
+        int insertResult;
 
         try {
             ps = conn.prepareStatement(rtp(INSERT_TRIGGER));
@@ -207,7 +207,7 @@ public int updateTrigger(Connection conn, OperableTrigger trigger, String state,
 
         PreparedStatement ps = null;
 
-        int insertResult = 0;
+        int insertResult;
 
 
         try {

diff --git a/quartz/src/main/java/org/quartz/impl/jdbcjobstore/PostgreSQLDelegate.java b/quartz/src/main/java/org/quartz/impl/jdbcjobstore/PostgreSQLDelegate.java
@@ -58,7 +58,7 @@ public class PostgreSQLDelegate extends StdJDBCDelegate {
     @Override           
     protected Object getObjectFromBlob(ResultSet rs, String colName)
         throws ClassNotFoundException, IOException, SQLException {
-        InputStream binaryInput = null;
+        InputStream binaryInput;
         byte[] bytes = rs.getBytes(colName);
 
         Object obj = null;
@@ -79,7 +79,7 @@ protected Object getObjectFromBlob(ResultSet rs, String colName)
     protected Object getJobDataFromBlob(ResultSet rs, String colName)
         throws ClassNotFoundException, IOException, SQLException {
         if (canUseProperties()) {
-            InputStream binaryInput = null;
+            InputStream binaryInput;
             byte[] bytes = rs.getBytes(colName);
             if(bytes == null || bytes.length == 0) {
                 return null;

diff --git a/quartz/src/main/java/org/quartz/impl/jdbcjobstore/SybaseDelegate.java b/quartz/src/main/java/org/quartz/impl/jdbcjobstore/SybaseDelegate.java
@@ -67,7 +67,7 @@ protected Object getObjectFromBlob(ResultSet rs, String colName)
             return null;
         }
 
-        Object obj = null;
+        Object obj;
 
         try (ObjectInputStream in = new ObjectInputStream(binaryInput)) {
             obj = in.readObject();

diff --git a/quartz/src/main/java/org/quartz/impl/jdbcjobstore/oracle/OracleDelegate.java b/quartz/src/main/java/org/quartz/impl/jdbcjobstore/oracle/OracleDelegate.java
@@ -174,7 +174,7 @@ public int insertJobDetail(Connection conn, JobDetail job)
 
             int res = 0;
 
-            Blob dbBlob = null;
+            Blob dbBlob;
             if (rs.next()) {
                 dbBlob = writeDataToBlob(rs, 1, data);
             } else {
@@ -275,7 +275,7 @@ public int insertTrigger(Connection conn, OperableTrigger trigger, String state,
         PreparedStatement ps = null;
         ResultSet rs = null;
 
-        int insertResult = 0;
+        int insertResult;
 
         try {
             ps = conn.prepareStatement(rtp(INSERT_TRIGGER));
@@ -330,7 +330,7 @@ public int insertTrigger(Connection conn, OperableTrigger trigger, String state,
 
                 rs = ps.executeQuery();
 
-                Blob dbBlob = null;
+                Blob dbBlob;
                 if (rs.next()) {
                     dbBlob = writeDataToBlob(rs, 1, data);
                 } else {
@@ -376,7 +376,7 @@ public int updateTrigger(Connection conn, OperableTrigger trigger, String state,
         PreparedStatement ps2 = null;
         ResultSet rs = null;
 
-        int insertResult = 0;
+        int insertResult;
 
 
         try {

diff --git a/quartz/src/main/java/org/quartz/impl/triggers/DailyTimeIntervalTriggerImpl.java b/quartz/src/main/java/org/quartz/impl/triggers/DailyTimeIntervalTriggerImpl.java
@@ -682,7 +682,7 @@ public Date getFireTimeAfter(Date afterTime) {
           return null;
 
         // d. Calculate and save fireTimeEndDate variable for later use
-        Date fireTimeEndDate = null;
+        Date fireTimeEndDate;
         if (endTimeOfDay == null)
           fireTimeEndDate = new TimeOfDay(23, 59, 59).getTimeOfDayForDate(fireTime);
         else

diff --git a/quartz/src/main/java/org/quartz/plugins/history/LoggingJobHistoryPlugin.java b/quartz/src/main/java/org/quartz/plugins/history/LoggingJobHistoryPlugin.java
@@ -477,7 +477,7 @@ public void jobWasExecuted(JobExecutionContext context,
 
         Trigger trigger = context.getTrigger();
 
-        Object[] args = null;
+        Object[] args;
 
         if (jobException != null) {
             if (!getLog().isWarnEnabled()) {

diff --git a/quartz/src/main/java/org/quartz/plugins/xml/FileScanJob.java b/quartz/src/main/java/org/quartz/plugins/xml/FileScanJob.java
@@ -79,7 +79,7 @@ public FileScanJob() {
      */
     public void execute(JobExecutionContext context) throws JobExecutionException {
         JobDataMap mergedJobDataMap = context.getMergedJobDataMap();
-        SchedulerContext schedCtx = null;
+        SchedulerContext schedCtx;
         try {
             schedCtx = context.getScheduler().getContext();
         } catch (SchedulerException e) {

diff --git a/quartz/src/main/java/org/quartz/simpl/SimpleThreadPool.java b/quartz/src/main/java/org/quartz/simpl/SimpleThreadPool.java
@@ -490,7 +490,7 @@ class WorkerThread extends Thread {
 
         private final SimpleThreadPool tp;
 
-        private Runnable runnable = null;
+        private Runnable runnable;
 
         private boolean runOnce = false;