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37 changes: 37 additions & 0 deletions
37
hibernate-core/src/main/java/org/hibernate/dialect/OracleJsonArrayJdbcType.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,37 @@ | ||
| /* | ||
| * Hibernate, Relational Persistence for Idiomatic Java | ||
| * | ||
| * License: GNU Lesser General Public License (LGPL), version 2.1 or later | ||
| * See the lgpl.txt file in the root directory or http://www.gnu.org/licenses/lgpl-2.1.html | ||
| */ | ||
| package org.hibernate.dialect; | ||
|
|
||
| import org.hibernate.type.descriptor.converter.spi.BasicValueConverter; | ||
| import org.hibernate.type.descriptor.java.JavaType; | ||
| import org.hibernate.type.descriptor.jdbc.OracleJsonArrayBlobJdbcType; | ||
|
|
||
| /** | ||
| * Specialized type mapping for {@code JSON} and the JSON SQL data type for Oracle. | ||
| * | ||
| * @author Christian Beikov | ||
| */ | ||
| public class OracleJsonArrayJdbcType extends OracleJsonArrayBlobJdbcType { | ||
| /** | ||
| * Singleton access | ||
| */ | ||
| public static final OracleJsonArrayJdbcType INSTANCE = new OracleJsonArrayJdbcType(); | ||
|
|
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| private OracleJsonArrayJdbcType() { | ||
| } | ||
|
|
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| @Override | ||
| public String toString() { | ||
| return "OracleJsonJdbcType"; | ||
| } | ||
|
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| @Override | ||
| public String getCheckCondition(String columnName, JavaType<?> javaType, BasicValueConverter<?, ?> converter, Dialect dialect) { | ||
| // No check constraint necessary, because the JSON DDL type is already OSON encoded | ||
| return null; | ||
| } | ||
| } |
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109 changes: 109 additions & 0 deletions
109
...te-core/src/main/java/org/hibernate/type/descriptor/jdbc/OracleJsonArrayBlobJdbcType.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,109 @@ | ||
| /* | ||
| * Hibernate, Relational Persistence for Idiomatic Java | ||
| * | ||
| * License: GNU Lesser General Public License (LGPL), version 2.1 or later | ||
| * See the lgpl.txt file in the root directory or http://www.gnu.org/licenses/lgpl-2.1.html | ||
| */ | ||
| package org.hibernate.type.descriptor.jdbc; | ||
|
|
||
| import org.hibernate.dialect.Dialect; | ||
| import org.hibernate.type.SqlTypes; | ||
| import org.hibernate.type.descriptor.ValueBinder; | ||
| import org.hibernate.type.descriptor.ValueExtractor; | ||
| import org.hibernate.type.descriptor.WrapperOptions; | ||
| import org.hibernate.type.descriptor.converter.spi.BasicValueConverter; | ||
| import org.hibernate.type.descriptor.java.JavaType; | ||
|
|
||
| import java.nio.charset.StandardCharsets; | ||
| import java.sql.CallableStatement; | ||
| import java.sql.PreparedStatement; | ||
| import java.sql.ResultSet; | ||
| import java.sql.SQLException; | ||
|
|
||
| /** | ||
| * Specialized type mapping for {@code JSON} and the BLOB SQL data type for Oracle. | ||
| * | ||
| * @author Christian Beikov | ||
| */ | ||
| public class OracleJsonArrayBlobJdbcType extends JsonArrayJdbcType { | ||
| /** | ||
| * Singleton access | ||
| */ | ||
| public static final OracleJsonArrayBlobJdbcType INSTANCE = new OracleJsonArrayBlobJdbcType(); | ||
|
|
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| protected OracleJsonArrayBlobJdbcType() { | ||
| } | ||
|
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| @Override | ||
| public int getJdbcTypeCode() { | ||
| return SqlTypes.BLOB; | ||
| } | ||
|
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| @Override | ||
| public String toString() { | ||
| return "JsonArrayBlobJdbcType"; | ||
| } | ||
|
|
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| @Override | ||
| public String getCheckCondition(String columnName, JavaType<?> javaType, BasicValueConverter<?, ?> converter, Dialect dialect) { | ||
| return columnName + " is json"; | ||
| } | ||
|
|
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| @Override | ||
| public <X> ValueBinder<X> getBinder(JavaType<X> javaType) { | ||
| return new BasicBinder<>( javaType, this ) { | ||
| @Override | ||
| protected void doBind(PreparedStatement st, X value, int index, WrapperOptions options) | ||
| throws SQLException { | ||
| final String json = OracleJsonArrayBlobJdbcType.this.toString( | ||
| value, | ||
| getJavaType(), | ||
| options | ||
| ); | ||
| st.setBytes( index, json.getBytes( StandardCharsets.UTF_8 ) ); | ||
| } | ||
|
|
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| @Override | ||
| protected void doBind(CallableStatement st, X value, String name, WrapperOptions options) | ||
| throws SQLException { | ||
| final String json = OracleJsonArrayBlobJdbcType.this.toString( | ||
| value, | ||
| getJavaType(), | ||
| options | ||
| ); | ||
| st.setBytes( name, json.getBytes( StandardCharsets.UTF_8 ) ); | ||
| } | ||
| }; | ||
| } | ||
|
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| @Override | ||
| public <X> ValueExtractor<X> getExtractor(JavaType<X> javaType) { | ||
| return new BasicExtractor<>( javaType, this ) { | ||
| @Override | ||
| protected X doExtract(ResultSet rs, int paramIndex, WrapperOptions options) throws SQLException { | ||
| return fromString( rs.getBytes( paramIndex ), options ); | ||
| } | ||
|
|
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| @Override | ||
| protected X doExtract(CallableStatement statement, int index, WrapperOptions options) throws SQLException { | ||
| return fromString( statement.getBytes( index ), options ); | ||
| } | ||
|
|
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| @Override | ||
| protected X doExtract(CallableStatement statement, String name, WrapperOptions options) throws SQLException { | ||
| return fromString( statement.getBytes( name ), options ); | ||
| } | ||
|
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| private X fromString(byte[] json, WrapperOptions options) throws SQLException { | ||
| if ( json == null ) { | ||
| return null; | ||
| } | ||
| return OracleJsonArrayBlobJdbcType.this.fromString( | ||
| new String( json, StandardCharsets.UTF_8 ), | ||
| getJavaType(), | ||
| options | ||
| ); | ||
| } | ||
| }; | ||
| } | ||
| } |
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