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get rid of warnings in JdbcTypeJavaClassMappings

This commit is contained in:
Gavin King 2023-08-09 11:05:15 +02:00
parent ae8b3f9a33
commit 7a75a0734b
1 changed files with 21 additions and 20 deletions
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41
hibernate-core/src/main/java/org/hibernate/type/descriptor/jdbc/JdbcTypeJavaClassMappings.java
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@ -39,20 +39,20 @@ import org.jboss.logging.Logger;
/** /**
* Maintains the JDBC recommended mappings for JDBC type-code to/from Java Class * Maintains the JDBC recommended mappings for JDBC type-code to/from Java Class
* as defined in _Appendix B : Data Type Conversion Tables_ of the _JDBC 4.0 Specification_ * as defined in <em>Appendix B: Data Type Conversion Tables</em> of the JDBC
* * Specification.
* Eventually, the plan is to have {@link org.hibernate.dialect.Dialect} and
* {@link java.sql.DatabaseMetaData#getTypeInfo()} contribute this information.
* *
* @author Steve Ebersole * @author Steve Ebersole
*/ */
//TODO: Eventually, the plan is to have {@link org.hibernate.dialect.Dialect} and
// {@link java.sql.DatabaseMetaData#getTypeInfo()} contribute this information.
public class JdbcTypeJavaClassMappings { public class JdbcTypeJavaClassMappings {
private static final Logger log = Logger.getLogger( JdbcTypeJavaClassMappings.class ); private static final Logger log = Logger.getLogger( JdbcTypeJavaClassMappings.class );
public static final JdbcTypeJavaClassMappings INSTANCE = new JdbcTypeJavaClassMappings(); public static final JdbcTypeJavaClassMappings INSTANCE = new JdbcTypeJavaClassMappings();
private final ConcurrentHashMap<Class, Integer> javaClassToJdbcTypeCodeMap; private final ConcurrentHashMap<Class<?>, Integer> javaClassToJdbcTypeCodeMap;
private final ConcurrentHashMap<Integer, Class> jdbcTypeCodeToJavaClassMap; private final ConcurrentHashMap<Integer, Class<?>> jdbcTypeCodeToJavaClassMap;
private JdbcTypeJavaClassMappings() { private JdbcTypeJavaClassMappings() {
javaClassToJdbcTypeCodeMap = buildJavaClassToJdbcTypeCodeMappings(); javaClassToJdbcTypeCodeMap = buildJavaClassToJdbcTypeCodeMappings();
@ -61,12 +61,12 @@ public class JdbcTypeJavaClassMappings {
/** /**
* For the given Java type, determine the JDBC recommended JDBC type. * For the given Java type, determine the JDBC recommended JDBC type.
* * <p>
* This includes the mappings defined in <i>TABLE B-2 - Java Types Mapped to JDBC Types</i> * This includes the mappings defined in <em>TABLE B-2: Java Types Mapped to JDBC Types</em>
* as well as some additional "common sense" mappings for things like BigDecimal, BigInteger, * and <em>TABLE B-4: Java Object Types Mapped to JDBC Types</em>, as well as some additional
* etc. * "common sense" mappings.
*/ */
public int determineJdbcTypeCodeForJavaClass(Class cls) { public int determineJdbcTypeCodeForJavaClass(Class<?> cls) {
Integer typeCode = javaClassToJdbcTypeCodeMap.get( cls ); Integer typeCode = javaClassToJdbcTypeCodeMap.get( cls );
if ( typeCode != null ) { if ( typeCode != null ) {
return typeCode; return typeCode;
@ -80,11 +80,12 @@ public class JdbcTypeJavaClassMappings {
} }
/** /**
* For the given JDBC type, determine the JDBC recommended Java type. These mappings * For the given JDBC type, determine the JDBC recommended Java type.
* are defined by <i>TABLE B-1 - JDBC Types Mapped to Java Types</i> * <p>
* These mappings are defined by <em>TABLE B-1: JDBC Types Mapped to Java Types</em>.
*/ */
public Class determineJavaClassForJdbcTypeCode(Integer typeCode) { public Class<?> determineJavaClassForJdbcTypeCode(Integer typeCode) {
Class cls = jdbcTypeCodeToJavaClassMap.get( typeCode ); Class<?> cls = jdbcTypeCodeToJavaClassMap.get( typeCode );
if ( cls != null ) { if ( cls != null ) {
return cls; return cls;
} }
@ -99,15 +100,15 @@ public class JdbcTypeJavaClassMappings {
/** /**
* @see #determineJavaClassForJdbcTypeCode(Integer) * @see #determineJavaClassForJdbcTypeCode(Integer)
*/ */
public Class determineJavaClassForJdbcTypeCode(int typeCode) { public Class<?> determineJavaClassForJdbcTypeCode(int typeCode) {
return determineJavaClassForJdbcTypeCode( Integer.valueOf( typeCode ) ); return determineJavaClassForJdbcTypeCode( Integer.valueOf( typeCode ) );
} }
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
private static ConcurrentHashMap<Class, Integer> buildJavaClassToJdbcTypeCodeMappings() { private static ConcurrentHashMap<Class<?>, Integer> buildJavaClassToJdbcTypeCodeMappings() {
final ConcurrentHashMap<Class, Integer> workMap = new ConcurrentHashMap<>(); final ConcurrentHashMap<Class<?>, Integer> workMap = new ConcurrentHashMap<>();
// these mappings are the ones outlined specifically in the spec // these mappings are the ones outlined specifically in the spec
workMap.put( String.class, SqlTypes.VARCHAR ); workMap.put( String.class, SqlTypes.VARCHAR );
@ -157,8 +158,8 @@ public class JdbcTypeJavaClassMappings {
return workMap; return workMap;
} }
private static ConcurrentHashMap<Integer, Class> buildJdbcTypeCodeToJavaClassMappings() { private static ConcurrentHashMap<Integer, Class<?>> buildJdbcTypeCodeToJavaClassMappings() {
final ConcurrentHashMap<Integer, Class> workMap = new ConcurrentHashMap<>(); final ConcurrentHashMap<Integer, Class<?>> workMap = new ConcurrentHashMap<>();
workMap.put( SqlTypes.CHAR, String.class ); workMap.put( SqlTypes.CHAR, String.class );
workMap.put( SqlTypes.VARCHAR, String.class ); workMap.put( SqlTypes.VARCHAR, String.class );