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/*-
* ============LICENSE_START=======================================================
* ONAP CLAMP
* ================================================================================
* Copyright (C) 2019 AT&T Intellectual Property. All rights
* reserved.
* ================================================================================
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ============LICENSE_END============================================
* ===================================================================
*
*/
package org.onap.clamp.dao.model.jsontype;
import java.sql.CallableStatement;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Types;
import org.hibernate.type.descriptor.ValueBinder;
import org.hibernate.type.descriptor.ValueExtractor;
import org.hibernate.type.descriptor.WrapperOptions;
import org.hibernate.type.descriptor.java.JavaTypeDescriptor;
import org.hibernate.type.descriptor.sql.BasicBinder;
import org.hibernate.type.descriptor.sql.BasicExtractor;
import org.hibernate.type.descriptor.sql.SqlTypeDescriptor;
public class JsonStringSqlTypeDescriptor implements SqlTypeDescriptor {
/**
* The serial version ID.
*/
private static final long serialVersionUID = 1103168570216921981L;
public static final JsonStringSqlTypeDescriptor INSTANCE = new JsonStringSqlTypeDescriptor();
@Override
public int getSqlType() {
return Types.OTHER;
}
@Override
public boolean canBeRemapped() {
return true;
}
@Override
public <X> ValueBinder<X> getBinder(JavaTypeDescriptor<X> javaTypeDescriptor) {
return new BasicBinder<X>(javaTypeDescriptor, this) {
@Override
protected void doBind(PreparedStatement st, X value, int index, WrapperOptions options)
throws SQLException {
st.setString(index, javaTypeDescriptor.unwrap(value, String.class, options));
}
@Override
protected void doBind(CallableStatement st, X value, String name, WrapperOptions options)
throws SQLException {
st.setString(name, javaTypeDescriptor.unwrap(value, String.class, options));
}
};
}
@Override
public <X> ValueExtractor<X> getExtractor(JavaTypeDescriptor<X> javaTypeDescriptor) {
return new BasicExtractor<X>(javaTypeDescriptor, this) {
@Override
protected X doExtract(ResultSet rs, String name, WrapperOptions options) throws SQLException {
return javaTypeDescriptor.wrap(extractJson(rs, name), options);
}
@Override
protected X doExtract(CallableStatement statement, int index, WrapperOptions options) throws SQLException {
return javaTypeDescriptor.wrap(extractJson(statement, index), options);
}
@Override
protected X doExtract(CallableStatement statement, String name, WrapperOptions options)
throws SQLException {
return javaTypeDescriptor.wrap(extractJson(statement, name), options);
}
};
}
protected Object extractJson(ResultSet rs, String name) throws SQLException {
return rs.getObject(name);
}
protected Object extractJson(CallableStatement statement, int index) throws SQLException {
return statement.getObject(index);
}
protected Object extractJson(CallableStatement statement, String name) throws SQLException {
return statement.getObject(name);
}
}
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