Remove useless generic type of LockContext

infra/common/src/main/java/org/apache/shardingsphere/infra/instance/ComputeNodeInstanceContext.java

@@ -49,7 +49,7 @@ public final class ComputeNodeInstanceContext {
     private final AtomicReference<WorkerIdGenerator> workerIdGenerator;
 
     @Getter(AccessLevel.NONE)
-    private final AtomicReference<LockContext<?>> lockContext;
+    private final AtomicReference<LockContext> lockContext;
 
     private final ClusterInstanceRegistry clusterInstanceRegistry;
 
@@ -68,7 +68,7 @@ public ComputeNodeInstanceContext(final ComputeNodeInstance instance, final Mode
      * @param workerIdGenerator worker id generator
      * @param lockContext lock context
      */
-    public void init(final WorkerIdGenerator workerIdGenerator, final LockContext<?> lockContext) {
+    public void init(final WorkerIdGenerator workerIdGenerator, final LockContext lockContext) {
         this.workerIdGenerator.set(workerIdGenerator);
         this.lockContext.set(lockContext);
     }
@@ -148,7 +148,7 @@ public int generateWorkerId(final Properties props) {
      *
      * @return lock context
      */
-    public LockContext<?> getLockContext() {
+    public LockContext getLockContext() {
         return Optional.ofNullable(lockContext.get()).orElseThrow(() -> new IllegalStateException("Lock context is not initialized."));
     }
 }

infra/common/src/test/java/org/apache/shardingsphere/infra/instance/ComputeNodeInstanceContextTest.java

@@ -42,7 +42,7 @@ class ComputeNodeInstanceContextTest {
     void assertInit() {
         ComputeNodeInstanceContext context = new ComputeNodeInstanceContext(new ComputeNodeInstance(mock(InstanceMetaData.class)), mock(ModeConfiguration.class), new EventBusContext());
         WorkerIdGenerator workerIdGenerator = mock(WorkerIdGenerator.class);
-        LockContext<?> lockContext = mock(LockContext.class);
+        LockContext lockContext = mock(LockContext.class);
         context.init(workerIdGenerator, lockContext);
         context.generateWorkerId(new Properties());
         verify(workerIdGenerator).generate(new Properties());

kernel/data-pipeline/scenario/migration/src/main/java/org/apache/shardingsphere/data/pipeline/scenario/migration/preparer/MigrationJobPreparer.java

@@ -110,7 +110,6 @@ public void prepare(final MigrationJobItemContext jobItemContext) throws SQLExce
                 jobItemContext.getJobId(), jobItemContext.getShardingItem(), jobItemContext.getInventoryTasks(), jobItemContext.getIncrementalTasks());
     }
 
-    @SuppressWarnings({"unchecked", "rawtypes"})
     private void prepareAndCheckTargetWithLock(final MigrationJobItemContext jobItemContext) throws SQLException {
         MigrationJobConfiguration jobConfig = jobItemContext.getJobConfig();
         String jobId = jobConfig.getJobId();

kernel/global-clock/core/src/main/java/org/apache/shardingsphere/globalclock/executor/GlobalClockTransactionHook.java

@@ -80,7 +80,6 @@ public void beforeExecuteSQL(final GlobalClockRule rule, final DatabaseType data
     }
 
     @Override
-    @SuppressWarnings({"unchecked", "rawtypes"})
     public void beforeCommit(final GlobalClockRule rule, final DatabaseType databaseType, final Collection<Connection> connections, final TransactionConnectionContext transactionContext,
                              final LockContext lockContext) throws SQLException {
         if (!rule.getConfiguration().isEnabled()) {
@@ -98,7 +97,6 @@ public void beforeCommit(final GlobalClockRule rule, final DatabaseType database
     }
 
     @Override
-    @SuppressWarnings({"unchecked", "rawtypes"})
     public void afterCommit(final GlobalClockRule rule, final DatabaseType databaseType, final Collection<Connection> connections, final TransactionConnectionContext transactionContext,
                             final LockContext lockContext) {
         Optional<GlobalClockProvider> globalClockProvider = rule.getGlobalClockProvider();

kernel/global-clock/core/src/test/java/org/apache/shardingsphere/globalclock/executor/GlobalClockTransactionHookTest.java

@@ -145,15 +145,13 @@ void assertBeforeExecuteSQLWhenNullTransactionIsolationLevel() throws SQLExcepti
         verify(globalClockTransactionExecutor).sendSnapshotTimestamp(Collections.emptyList(), 10L);
     }
 
-    @SuppressWarnings({"rawtypes", "unchecked"})
     @Test
     void assertBeforeCommitWhenDisabledGlobalClockRule() throws SQLException {
         LockContext lockContext = mock(LockContext.class);
         transactionHook.beforeCommit(rule, databaseType, Collections.emptyList(), transactionContext, lockContext);
         verify(lockContext, times(0)).tryLock(any(), anyLong());
     }
 
-    @SuppressWarnings("rawtypes")
     @Test
     void assertBeforeCommitWhenTryLockFailed() throws SQLException {
         when(rule.getConfiguration().isEnabled()).thenReturn(true);
@@ -162,7 +160,6 @@ void assertBeforeCommitWhenTryLockFailed() throws SQLException {
         verify(globalClockTransactionExecutor, times(0)).sendCommitTimestamp(any(), anyLong());
     }
 
-    @SuppressWarnings({"rawtypes", "unchecked"})
     @Test
     void assertBeforeCommitWhenGlobalClockTransactionExecutorAbsent() throws SQLException {
         when(rule.getConfiguration().isEnabled()).thenReturn(true);
@@ -173,7 +170,6 @@ void assertBeforeCommitWhenGlobalClockTransactionExecutorAbsent() throws SQLExce
         verify(globalClockTransactionExecutor, times(0)).sendCommitTimestamp(any(), anyLong());
     }
 
-    @SuppressWarnings({"rawtypes", "unchecked"})
     @Test
     void assertBeforeCommit() throws SQLException {
         when(rule.getConfiguration().isEnabled()).thenReturn(true);

kernel/transaction/api/src/main/java/org/apache/shardingsphere/transaction/spi/TransactionHook.java

@@ -89,7 +89,6 @@ void beforeExecuteSQL(T rule, DatabaseType databaseType, Collection<Connection>
      * @param lockContext lock context
      * @throws SQLException SQL exception
      */
-    @SuppressWarnings("rawtypes")
     void beforeCommit(T rule, DatabaseType databaseType, Collection<Connection> connections, TransactionConnectionContext transactionContext, LockContext lockContext) throws SQLException;
 
     /**
@@ -102,7 +101,6 @@ void beforeExecuteSQL(T rule, DatabaseType databaseType, Collection<Connection>
      * @param lockContext lock context
      * @throws SQLException SQL exception
      */
-    @SuppressWarnings("rawtypes")
     void afterCommit(T rule, DatabaseType databaseType, Collection<Connection> connections, TransactionConnectionContext transactionContext, LockContext lockContext) throws SQLException;
 
     /**

mode/type/cluster/core/src/main/java/org/apache/shardingsphere/mode/manager/cluster/ClusterContextManagerBuilder.java

@@ -59,7 +59,7 @@ public ContextManager build(final ContextManagerBuilderParameter param, final Ev
         ClusterPersistRepositoryConfiguration config = (ClusterPersistRepositoryConfiguration) modeConfig.getRepository();
         ComputeNodeInstanceContext computeNodeInstanceContext = new ComputeNodeInstanceContext(new ComputeNodeInstance(param.getInstanceMetaData(), param.getLabels()), modeConfig, eventBusContext);
         ClusterPersistRepository repository = getClusterPersistRepository(config, computeNodeInstanceContext);
-        LockContext<?> lockContext = new ClusterLockContext(new GlobalLockPersistService(repository));
+        LockContext lockContext = new ClusterLockContext(new GlobalLockPersistService(repository));
         computeNodeInstanceContext.init(new ClusterWorkerIdGenerator(repository, param.getInstanceMetaData().getId()), lockContext);
         MetaDataPersistService metaDataPersistService = new MetaDataPersistService(repository);
         MetaDataContexts metaDataContexts = MetaDataContextsFactory.create(metaDataPersistService, param, computeNodeInstanceContext);

proxy/backend/core/src/main/java/org/apache/shardingsphere/proxy/backend/handler/distsql/ral/updatable/LockClusterExecutor.java

@@ -39,7 +39,6 @@
 public final class LockClusterExecutor implements DistSQLUpdateExecutor<LockClusterStatement> {
 
     @Override
-    @SuppressWarnings({"unchecked", "rawtypes"})
     public void executeUpdate(final LockClusterStatement sqlStatement, final ContextManager contextManager) {
         checkState(contextManager);
         checkAlgorithm(sqlStatement);

proxy/backend/core/src/main/java/org/apache/shardingsphere/proxy/backend/handler/distsql/ral/updatable/UnlockClusterExecutor.java

@@ -35,7 +35,6 @@
 public final class UnlockClusterExecutor implements DistSQLUpdateExecutor<UnlockClusterStatement> {
 
     @Override
-    @SuppressWarnings({"unchecked", "rawtypes"})
     public void executeUpdate(final UnlockClusterStatement sqlStatement, final ContextManager contextManager) {
         checkState(contextManager);
         LockContext lockContext = contextManager.getComputeNodeInstanceContext().getLockContext();