移动类的位置。

src/main/java/xyz/zhouxy/plusone/commons/jdbc/DbRecord.java

@@ -0,0 +1,65 @@
+package xyz.zhouxy.plusone.commons.jdbc;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Optional;
+import java.util.OptionalDouble;
+import java.util.OptionalInt;
+import java.util.OptionalLong;
+import java.util.Set;
+
+import com.google.common.annotations.Beta;
+
+import xyz.zhouxy.plusone.commons.util.AbstractMapWrapper;
+import xyz.zhouxy.plusone.commons.util.Assert;
+import xyz.zhouxy.plusone.commons.util.OptionalUtil;
+
+@Beta
+public class DbRecord extends AbstractMapWrapper<String, Object, DbRecord> {
+
+    public DbRecord() {
+        super(new HashMap<>(), k -> Assert.isNotBlank(k, "Key can not be null."), null);
+    }
+
+    public DbRecord(Map<String, Object> map) {
+        super(map, k -> Assert.isNotBlank(k, "Key can not be null."), null);
+    }
+
+    public Optional<String> getValueAsString(String key) {
+        return this.<String>getAndConvert(key);
+    }
+
+    public <T> List<T> getValueAsList(String key) {
+        return this.<Collection<T>>getAndConvert(key)
+                .<List<T>>map(l -> (l instanceof List) ? (List<T>) l : new ArrayList<>(l))
+                .orElse(Collections.<T>emptyList());
+    }
+
+    public <T> Set<T> getValueAsSet(String key) {
+        return this.<Collection<T>>getAndConvert(key)
+                .<Set<T>>map(l -> (l instanceof Set) ? (Set<T>) l : new HashSet<>(l))
+                .orElse(Collections.<T>emptySet());
+    }
+
+    public OptionalInt getValueAsInt(String key) {
+        return OptionalUtil.toOptionalInt(this.<Integer>getAndConvert(key));
+    }
+
+    public OptionalLong getValueAsLong(String key) {
+        return OptionalUtil.toOptionalLong(this.<Long>getAndConvert(key));
+    }
+
+    public OptionalDouble getValueAsDouble(String key) {
+        return OptionalUtil.toOptionalDouble(this.<Double>getAndConvert(key));
+    }
+
+    @Override
+    protected DbRecord getSelf() {
+        return this;
+    }
+}

src/main/java/xyz/zhouxy/plusone/commons/jdbc/JdbcUtil.java

@@ -19,7 +19,6 @@ import org.apache.commons.lang3.ArrayUtils;
 
 import com.google.common.annotations.Beta;
 
-import xyz.zhouxy.plusone.commons.util.DbRecord;
 import xyz.zhouxy.plusone.commons.util.MoreCollections;
 
 @Beta