118 lines
3.7 KiB
Java
118 lines
3.7 KiB
Java
package eu.eudat.configurations.typedefinition;
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import org.hibernate.HibernateException;
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import org.hibernate.engine.spi.SharedSessionContractImplementor;
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import org.hibernate.usertype.UserType;
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import java.io.Serializable;
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import java.sql.PreparedStatement;
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import java.sql.ResultSet;
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import java.sql.SQLException;
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import java.sql.Types;
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import java.util.UUID;
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/**
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* Currently not used
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*/
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public class UUIDType implements UserType<UUID> {
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private final int[] sqlTypesSupported = new int[]{Types.NUMERIC};
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private final String CAST_EXCEPTION_TEXT = " cannot be cast to a java.util.UUID";
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public int[] sqlTypes() {
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return sqlTypesSupported;
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}
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@Override
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public int getSqlType() {
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return sqlTypesSupported[0];
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}
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public Class<UUID> returnedClass() {
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return UUID.class;
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}
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public boolean equals(UUID x, UUID y) throws HibernateException {
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if (x == null) return y == null;
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else return x.equals(y);
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}
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public int hashCode(UUID x) throws HibernateException {
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return x == null ? -1 : x.hashCode();
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}
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@Override
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public UUID nullSafeGet(ResultSet rs, int position, SharedSessionContractImplementor session, Object owner) throws SQLException {
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assert (position >= 0);
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Object value = rs.getObject(position);
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if (value == null) return null;
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UUID uuid = UUID.fromString(rs.getString(position));
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return rs.wasNull() ? null : uuid;
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}
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public Object nullSafeGet(ResultSet rs, String[] names, Object owner) throws HibernateException, SQLException {
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assert (names.length == 1);
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Object value = rs.getObject(names[0]);
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if (value == null) return null;
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UUID uuid = UUID.fromString(rs.getString(names[0]));
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return rs.wasNull() ? null : uuid;
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}
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public void nullSafeSet(PreparedStatement st, Object value, int index) throws HibernateException, SQLException {
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if (value == null) {
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st.setNull(index, Types.NULL);
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return;
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}
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if (!UUID.class.isAssignableFrom(value.getClass()))
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throw new HibernateException(value.getClass().toString() + CAST_EXCEPTION_TEXT);
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UUID uuid = (UUID) value;
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st.setObject(index, uuid, Types.OTHER);
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}
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public UUID deepCopy(UUID value) throws HibernateException {
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if (value == null) return null;
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return new UUID(value.getMostSignificantBits(), value.getLeastSignificantBits());
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}
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public boolean isMutable() {
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return false;
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}
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public Serializable disassemble(UUID value) throws HibernateException {
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return value;
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}
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public UUID assemble(Serializable cached, Object owner) throws HibernateException {
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return (UUID) cached;
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}
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public UUID replace(UUID original, Object target, Object owner) throws HibernateException {
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return original;
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}
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// public Object nullSafeGet(ResultSet rs, String[] names, SessionImplementor session, Object owner)
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// throws HibernateException, SQLException
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// {
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// return nullSafeGet(rs, names, owner);
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// }
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//
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// public void nullSafeSet(PreparedStatement st, Object value, int index, SessionImplementor session)
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// throws HibernateException, SQLException
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// {
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// nullSafeSet(st, value, index);
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//
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// }
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public Object nullSafeGet(ResultSet rs, String[] names, SharedSessionContractImplementor session, Object owner)
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throws HibernateException, SQLException {
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return nullSafeGet(rs, names, owner);
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}
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public void nullSafeSet(PreparedStatement st, UUID value, int index, SharedSessionContractImplementor session)
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throws HibernateException, SQLException {
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nullSafeSet(st, value, index);
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}
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} |