Use @RequiredArgsConstructor

features/sharding/core/src/main/java/org/apache/shardingsphere/sharding/route/engine/type/standard/ShardingStandardRouteEngine.java

@@ -18,6 +18,7 @@
 package org.apache.shardingsphere.sharding.route.engine.type.standard;
 
 import com.cedarsoftware.util.CaseInsensitiveSet;
+import lombok.RequiredArgsConstructor;
 import org.apache.shardingsphere.infra.binder.context.statement.SQLStatementContext;
 import org.apache.shardingsphere.infra.config.props.ConfigurationProperties;
 import org.apache.shardingsphere.infra.datanode.DataNode;
@@ -56,6 +57,7 @@
 /**
  * Sharding standard route engine.
  */
+@RequiredArgsConstructor
 public final class ShardingStandardRouteEngine implements ShardingRouteEngine {
 
     private final String logicTableName;
@@ -64,20 +66,11 @@ public final class ShardingStandardRouteEngine implements ShardingRouteEngine {
 
     private final SQLStatementContext sqlStatementContext;
 
-    private final ConfigurationProperties props;
-
     private final Collection<Collection<DataNode>> originalDataNodes = new LinkedList<>();
 
     private final HintValueContext hintValueContext;
 
-    public ShardingStandardRouteEngine(final String logicTableName, final ShardingConditions shardingConditions, final SQLStatementContext sqlStatementContext,
-                                       final HintValueContext hintValueContext, final ConfigurationProperties props) {
-        this.logicTableName = logicTableName;
-        this.shardingConditions = shardingConditions;
-        this.sqlStatementContext = sqlStatementContext;
-        this.props = props;
-        this.hintValueContext = hintValueContext;
-    }
+    private final ConfigurationProperties props;
 
     @Override
     public RouteContext route(final ShardingRule shardingRule) {

kernel/data-pipeline/scenario/cdc/client/src/main/java/org/apache/shardingsphere/data/pipeline/cdc/client/handler/RetryStreamingExceptionHandler.java

@@ -18,6 +18,7 @@
 package org.apache.shardingsphere.data.pipeline.cdc.client.handler;
 
 import io.netty.channel.ChannelHandlerContext;
+import lombok.RequiredArgsConstructor;
 import lombok.SneakyThrows;
 import lombok.extern.slf4j.Slf4j;
 import org.apache.shardingsphere.data.pipeline.cdc.client.CDCClient;
@@ -30,6 +31,7 @@
 /**
  * Retry streaming exception handler.
  */
+@RequiredArgsConstructor
 @Slf4j
 public final class RetryStreamingExceptionHandler implements ExceptionHandler {
 
@@ -41,12 +43,6 @@ public final class RetryStreamingExceptionHandler implements ExceptionHandler {
 
     private final AtomicInteger retryTimes = new AtomicInteger(0);
 
-    public RetryStreamingExceptionHandler(final CDCClient cdcClient, final int maxRetryTimes, final int retryIntervalMillis) {
-        this.cdcClient = cdcClient;
-        this.maxRetryTimes = maxRetryTimes;
-        this.retryIntervalMillis = retryIntervalMillis;
-    }
-
     @Override
     public void handleException(final ChannelHandlerContext ctx, final Throwable throwable) {
         log.error("Catch exception: ", throwable);

kernel/transaction/type/xa/provider/narayana/src/main/java/org/apache/shardingsphere/transaction/xa/narayana/manager/DataSourceXAResourceRecoveryHelper.java

@@ -19,6 +19,7 @@
 
 import com.arjuna.ats.jta.recovery.XAResourceRecoveryHelper;
 import com.google.common.base.Preconditions;
+import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 
 import javax.sql.XAConnection;
@@ -31,6 +32,7 @@
 /**
  * XAResourceRecoveryHelper implementation which gets XIDs, which needs to be recovered, from the database.
  */
+@RequiredArgsConstructor
 @Slf4j
 public final class DataSourceXAResourceRecoveryHelper implements XAResourceRecoveryHelper, XAResource {
 
@@ -46,28 +48,10 @@ public final class DataSourceXAResourceRecoveryHelper implements XAResourceRecov
 
     private XAResource delegate;
 
-    /**
-     * Create a new {@link DataSourceXAResourceRecoveryHelper} instance.
-     *
-     * @param xaDataSource the XA data source
-     */
     public DataSourceXAResourceRecoveryHelper(final XADataSource xaDataSource) {
         this(xaDataSource, null, null);
     }
 
-    /**
-     * Create a new {@link DataSourceXAResourceRecoveryHelper} instance.
-     *
-     * @param xaDataSource the XA data source
-     * @param user the database user or {@code null}
-     * @param password the database password or {@code null}
-     */
-    public DataSourceXAResourceRecoveryHelper(final XADataSource xaDataSource, final String user, final String password) {
-        this.xaDataSource = xaDataSource;
-        this.user = user;
-        this.password = password;
-    }
-
     @Override
     public boolean initialise(final String props) {
         return true;

parser/sql/statement/core/src/main/java/org/apache/shardingsphere/sql/parser/statement/core/segment/ddl/property/PropertiesSegment.java

@@ -18,18 +18,19 @@
 package org.apache.shardingsphere.sql.parser.statement.core.segment.ddl.property;
 
 import lombok.Getter;
+import lombok.RequiredArgsConstructor;
 import org.apache.shardingsphere.sql.parser.statement.core.segment.SQLSegment;
 
 import java.util.LinkedHashMap;
 import java.util.LinkedList;
 import java.util.List;
 import java.util.Map;
-import java.util.Properties;
 import java.util.stream.Collectors;
 
 /**
  * Properties segment.
  */
+@RequiredArgsConstructor
 @Getter
 public final class PropertiesSegment implements SQLSegment {
 
@@ -39,24 +40,6 @@ public final class PropertiesSegment implements SQLSegment {
 
     private final List<PropertySegment> properties = new LinkedList<>();
 
-    public PropertiesSegment(final int startIndex, final int stopIndex) {
-        this.startIndex = startIndex;
-        this.stopIndex = stopIndex;
-    }
-
-    /**
-     * Convert to properties map.
-     *
-     * @return properties map
-     */
-    public Properties toProperties() {
-        Properties result = new Properties();
-        for (PropertySegment each : properties) {
-            result.setProperty(each.getKey(), each.getValue());
-        }
-        return result;
-    }
-
     /**
      * Convert to map.
      *

parser/sql/statement/core/src/main/java/org/apache/shardingsphere/sql/parser/statement/core/segment/dml/datetime/DatetimeExpression.java

@@ -18,14 +18,14 @@
 package org.apache.shardingsphere.sql.parser.statement.core.segment.dml.datetime;
 
 import lombok.Getter;
-import lombok.Setter;
+import lombok.RequiredArgsConstructor;
 import org.apache.shardingsphere.sql.parser.statement.core.segment.dml.expr.ExpressionSegment;
 
 /**
  * Datetime expression.
  */
+@RequiredArgsConstructor
 @Getter
-@Setter
 public final class DatetimeExpression implements ExpressionSegment {
 
     private final int startIndex;
@@ -38,19 +38,7 @@ public final class DatetimeExpression implements ExpressionSegment {
 
     private final String text;
 
-    public DatetimeExpression(final int startIndex, final int stopIndex, final ExpressionSegment left, final ExpressionSegment right, final String text) {
-        this.startIndex = startIndex;
-        this.stopIndex = stopIndex;
-        this.left = left;
-        this.right = right;
-        this.text = text;
-    }
-
     public DatetimeExpression(final int startIndex, final int stopIndex, final ExpressionSegment left, final String text) {
-        this.startIndex = startIndex;
-        this.stopIndex = stopIndex;
-        this.left = left;
-        right = null;
-        this.text = text;
+        this(startIndex, stopIndex, left, null, text);
     }
 }

parser/sql/statement/core/src/main/java/org/apache/shardingsphere/sql/parser/statement/core/segment/dml/item/AggregationProjectionSegment.java

@@ -18,6 +18,7 @@
 package org.apache.shardingsphere.sql.parser.statement.core.segment.dml.item;
 
 import lombok.Getter;
+import lombok.RequiredArgsConstructor;
 import lombok.Setter;
 import org.apache.shardingsphere.sql.parser.statement.core.enums.AggregationType;
 import org.apache.shardingsphere.sql.parser.statement.core.segment.dml.expr.ExpressionSegment;
@@ -32,6 +33,7 @@
 /**
  * Aggregation projection segment.
  */
+@RequiredArgsConstructor
 @Getter
 public class AggregationProjectionSegment implements ProjectionSegment, AliasAvailable, ExpressionSegment {
 
@@ -51,19 +53,7 @@ public class AggregationProjectionSegment implements ProjectionSegment, AliasAva
     private AliasSegment alias;
 
     public AggregationProjectionSegment(final int startIndex, final int stopIndex, final AggregationType type, final String expression) {
-        this.startIndex = startIndex;
-        this.stopIndex = stopIndex;
-        this.type = type;
-        this.expression = expression;
-        separator = null;
-    }
-
-    public AggregationProjectionSegment(final int startIndex, final int stopIndex, final AggregationType type, final String expression, final String separator) {
-        this.startIndex = startIndex;
-        this.stopIndex = stopIndex;
-        this.type = type;
-        this.expression = expression;
-        this.separator = separator;
+        this(startIndex, stopIndex, type, expression, null);
     }
 
     @Override

parser/sql/statement/core/src/main/java/org/apache/shardingsphere/sql/parser/statement/core/segment/dml/item/DatetimeProjectionSegment.java

@@ -18,14 +18,14 @@
 package org.apache.shardingsphere.sql.parser.statement.core.segment.dml.item;
 
 import lombok.Getter;
-import lombok.Setter;
+import lombok.RequiredArgsConstructor;
 import org.apache.shardingsphere.sql.parser.statement.core.segment.dml.expr.ExpressionSegment;
 
 /**
  * Datetime projection segment.
  */
+@RequiredArgsConstructor
 @Getter
-@Setter
 public final class DatetimeProjectionSegment implements ProjectionSegment {
 
     private final int startIndex;
@@ -38,20 +38,8 @@ public final class DatetimeProjectionSegment implements ProjectionSegment {
 
     private final String text;
 
-    public DatetimeProjectionSegment(final int startIndex, final int stopIndex, final ExpressionSegment left, final ExpressionSegment right, final String text) {
-        this.startIndex = startIndex;
-        this.stopIndex = stopIndex;
-        this.left = left;
-        this.right = right;
-        this.text = text;
-    }
-
     public DatetimeProjectionSegment(final int startIndex, final int stopIndex, final ExpressionSegment left, final String text) {
-        this.startIndex = startIndex;
-        this.stopIndex = stopIndex;
-        this.left = left;
-        right = null;
-        this.text = text;
+        this(startIndex, stopIndex, null, left, text);
     }
 
     @Override

proxy/backend/core/src/main/java/org/apache/shardingsphere/proxy/backend/response/data/QueryResponseCell.java

@@ -18,12 +18,14 @@
 package org.apache.shardingsphere.proxy.backend.response.data;
 
 import lombok.Getter;
+import lombok.RequiredArgsConstructor;
 
 import java.util.Optional;
 
 /**
  * Query response cell.
  */
+@RequiredArgsConstructor
 @Getter
 public final class QueryResponseCell {
 
@@ -37,12 +39,11 @@ public QueryResponseCell(final int jdbcType, final Object data) {
         this(jdbcType, data, null);
     }
 
-    public QueryResponseCell(final int jdbcType, final Object data, final String columnTypeName) {
-        this.jdbcType = jdbcType;
-        this.data = data;
-        this.columnTypeName = columnTypeName;
-    }
-
+    /**
+     * Get column type name.
+     *
+     * @return column type name
+     */
     public Optional<String> getColumnTypeName() {
         return Optional.ofNullable(columnTypeName);
     }