Examples with CayenneRuntimeException org.apache.cayenne.CayenneRuntimeException used on opensource projects

Example 91 with CayenneRuntimeException

use of org.apache.cayenne.CayenneRuntimeException in project cayenne by apache.

the class OpenBasePkGenerator method longPkFromDatabase.

/**
 * Generates new (unique and non-repeating) primary key for specified
 * DbEntity. Executed SQL looks like this:
 *
 * <pre>
 *  NEWID FOR Table Column
 * </pre>
 *
 * COLUMN must be marked as UNIQUE in order for this to work properly.
 *
 * @since 3.0
 */
@Override
protected long longPkFromDatabase(DataNode node, DbEntity entity) throws Exception {
    String sql = newIDString(entity);
    adapter.getJdbcEventLogger().log(sql);
    try (Connection con = node.getDataSource().getConnection()) {
        try (Statement st = con.createStatement()) {
            try (ResultSet rs = st.executeQuery(sql)) {
                // Object pk = null;
                if (!rs.next()) {
                    throw new CayenneRuntimeException("Error generating pk for DbEntity %s", entity.getName());
                }
                return rs.getLong(1);
            }
        }
    }
}

Example 92 with CayenneRuntimeException

use of org.apache.cayenne.CayenneRuntimeException in project cayenne by apache.

the class Oracle8LOBBatchAction method writeClob.

/**
 * Override the Oracle writeClob() method to be compatible with Oracle8
 * drivers.
 */
protected void writeClob(Clob clob, char[] value) {
    Method getWriterMethod = Oracle8Adapter.getWriterFromClobMethod();
    try {
        try (Writer out = (Writer) getWriterMethod.invoke(clob, (Object[]) null)) {
            out.write(value);
            out.flush();
        }
    } catch (Exception e) {
        throw new CayenneRuntimeException("Error processing CLOB.", Util.unwindException(e));
    }
}

Example 93 with CayenneRuntimeException

use of org.apache.cayenne.CayenneRuntimeException in project cayenne by apache.

the class Oracle8LOBBatchAction method writeBlob.

/**
 * Override the Oracle writeBlob() method to be compatible with Oracle8
 * drivers.
 */
protected void writeBlob(Blob blob, byte[] value) {
    // Fix for CAY-1307. For Oracle8, get the method found by reflection in
    // OracleAdapter. (Code taken from Cayenne 2.)
    Method getBinaryStreamMethod = Oracle8Adapter.getOutputStreamFromBlobMethod();
    try {
        try (OutputStream out = (OutputStream) getBinaryStreamMethod.invoke(blob, (Object[]) null)) {
            out.write(value);
            out.flush();
        }
    } catch (Exception e) {
        throw new CayenneRuntimeException("Error processing BLOB.", Util.unwindException(e));
    }
}

Example 94 with CayenneRuntimeException

use of org.apache.cayenne.CayenneRuntimeException in project cayenne by apache.

the class Oracle8LOBBatchAction method writeClob.

/**
 * Override the Oracle writeClob() method to be compatible with Oracle8
 * drivers.
 */
protected void writeClob(Clob clob, String value) {
    Method getWriterMethod = Oracle8Adapter.getWriterFromClobMethod();
    try {
        try (Writer out = (Writer) getWriterMethod.invoke(clob, (Object[]) null)) {
            out.write(value);
            out.flush();
        }
    } catch (Exception e) {
        throw new CayenneRuntimeException("Error processing CLOB.", Util.unwindException(e));
    }
}

Example 95 with CayenneRuntimeException

use of org.apache.cayenne.CayenneRuntimeException in project cayenne by apache.

the class Oracle8LOBBatchAction method processLOBRow.

void processLOBRow(Connection con, Oracle8LOBBatchTranslator queryBuilder, Oracle8LOBBatchQueryWrapper selectQuery, List<DbAttribute> qualifierAttributes, BatchQueryRow row) throws SQLException, Exception {
    List<DbAttribute> lobAttributes = selectQuery.getDbAttributesForUpdatedLOBColumns();
    if (lobAttributes.size() == 0) {
        return;
    }
    final boolean isLoggable = logger.isLoggable();
    List<Object> qualifierValues = selectQuery.getValuesForLOBSelectQualifier(row);
    List<Object> lobValues = selectQuery.getValuesForUpdatedLOBColumns();
    int parametersSize = qualifierValues.size();
    int lobSize = lobAttributes.size();
    String selectStr = queryBuilder.createLOBSelectString(lobAttributes, qualifierAttributes);
    try (PreparedStatement selectStatement = con.prepareStatement(selectStr)) {
        DbAttributeBinding[] attributeBindings = null;
        if (isLoggable) {
            attributeBindings = new DbAttributeBinding[parametersSize];
        }
        for (int i = 0; i < parametersSize; i++) {
            DbAttribute attribute = qualifierAttributes.get(i);
            Object value = qualifierValues.get(i);
            ExtendedType extendedType = value != null ? adapter.getExtendedTypes().getRegisteredType(value.getClass()) : adapter.getExtendedTypes().getDefaultType();
            DbAttributeBinding binding = new DbAttributeBinding(attribute);
            binding.setStatementPosition(i + 1);
            binding.setValue(value);
            binding.setExtendedType(extendedType);
            adapter.bindParameter(selectStatement, binding);
            if (isLoggable) {
                attributeBindings[i] = binding;
            }
        }
        if (isLoggable) {
            logger.logQuery(selectStr, attributeBindings);
        }
        try (ResultSet result = selectStatement.executeQuery()) {
            if (!result.next()) {
                throw new CayenneRuntimeException("Missing LOB row.");
            }
            // read the only expected row
            for (int i = 0; i < lobSize; i++) {
                DbAttribute attribute = lobAttributes.get(i);
                int type = attribute.getType();
                if (type == Types.CLOB) {
                    Clob clob = result.getClob(i + 1);
                    Object clobVal = lobValues.get(i);
                    if (clobVal instanceof char[]) {
                        writeClob(clob, (char[]) clobVal);
                    } else {
                        writeClob(clob, clobVal.toString());
                    }
                } else if (type == Types.BLOB) {
                    Blob blob = result.getBlob(i + 1);
                    Object blobVal = lobValues.get(i);
                    if (blobVal instanceof byte[]) {
                        writeBlob(blob, (byte[]) blobVal);
                    } else {
                        String className = (blobVal != null) ? blobVal.getClass().getName() : null;
                        throw new CayenneRuntimeException("Unsupported class of BLOB value: %s", className);
                    }
                } else {
                    throw new CayenneRuntimeException("Only BLOB or CLOB is expected here, got: %s", type);
                }
            }
            if (result.next()) {
                throw new CayenneRuntimeException("More than one LOB row found.");
            }
        }
    }
}