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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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/* | ||
* 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; | ||
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import org.hibernate.type.descriptor.converter.spi.BasicValueConverter; | ||
import org.hibernate.type.descriptor.java.JavaType; | ||
import org.hibernate.type.descriptor.jdbc.OracleJsonArrayBlobJdbcType; | ||
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/** | ||
* 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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/* | ||
* 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; | ||
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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; | ||
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import java.nio.charset.StandardCharsets; | ||
import java.sql.CallableStatement; | ||
import java.sql.PreparedStatement; | ||
import java.sql.ResultSet; | ||
import java.sql.SQLException; | ||
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/** | ||
* 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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