whats the difference between
> public boolean isReadOnly() {
> //ToDo: implementation
> return false;
> }
>
and
> public boolean isWritable() {
> //ToDo: implementation
> return false;
> }
we might wanna call this isIndexed
> public boolean isSearchable() {
> //ToDo: implementation
> return false;
> }
>
- Kasper
----- Original Message ----- >
> 1.1
jakarta-avalon-cornerstone/apps/db/src/java/org/apache/avalon/db/data/impl/A
bstractColumn.java
>
> Index: AbstractColumn.java
> ===================================================================
>
> /*
> * Copyright (C) The Apache Software Foundation. All rights reserved.
> *
> * This software is published under the terms of the Apache Software
License
> * version 1.1, a copy of which has been included with this distribution
in
> * the LICENSE file.
> */
> package org.apache.avalon.db.data.impl;
>
>
>
> import org.apache.avalon.db.data.Table;
> import org.apache.avalon.db.data.Queryable;
> import org.apache.avalon.db.data.Column;
>
>
> /**
> * Class AbstractColumn
> *
> *
> * @author Paul Hammant <a
href="mailto:[EMAIL PROTECTED]">[EMAIL PROTECTED]</a>
> * @author Gerhard Froehlich <a
href="mailto:[EMAIL PROTECTED]">[EMAIL PROTECTED]</a>*
> * @version $Revision: 1.1 $
> */
> public abstract class AbstractColumn implements Column {
>
> protected String mName;
> protected String mSqlType;
> protected String mJavaType;
>
> /**
> * Constructor AbstractColumn
> *
> *
> * @param name
> * @param sqlType
> * @param javaType
> *
> */
> public AbstractColumn(String name, String sqlType, String javaType)
{
>
> mName = name;
> mSqlType = sqlType;
> mJavaType = javaType;
> }
>
> /**
> * Method getSQLType
> *
> *
> * @return
> *
> */
> public String getSQLType() {
> return mSqlType;
> }
>
> /**
> * Method getName
> *
> *
> * @return
> *
> */
> public String getName() {
> return mName;
> }
>
> /**
> * Method getJavaType
> *
> *
> * @return
> *
> */
> public String getJavaType() {
> return mJavaType;
> }
>
> /** methods for the metadata */
> public int getColumnDisplaySize() {
> //ToDo: implementation
> return 0;
> }
>
> public String getColumnLabel() {
> return mName;
> }
>
> public String getColumnName() {
> return mName;
> }
>
> public int getColumnType() {
> //ToDo: implementation
> return 0;
> }
>
> public String getColumnTypeName() {
> return mSqlType;
> }
>
> public int getPrecision() {
> //ToDo: implementation
> return 0;
> }
>
> public int getScale() {
> //ToDo: implementation
> return 0;
> }
>
> public String getSchemaName() {
> //ToDo: implementation
> return null;
> }
>
> public String getCatalogName() {
> //ToDo: implementation
> return null;
> }
>
> public String getColumnClassName() {
> //ToDo: implementation
> return null;
> }
>
> public String getTableName() {
> //ToDo: implementation
> return null;
> }
>
> public boolean isAutoIncrement() {
> //ToDo: implementation
> return false;
> }
>
> public boolean isCaseSensitive() {
> //ToDo: implementation
> return false;
> }
>
> public boolean isCurrency() {
> //ToDo: implementation
> return false;
> }
>
> public boolean isDefinitelyWritable() {
> //ToDo: implementation
> return false;
> }
>
> public int isNullable() {
> //ToDo: implementation
> return 0;
> }
>
> public boolean isReadOnly() {
> //ToDo: implementation
> return false;
> }
>
> public boolean isSearchable() {
> //ToDo: implementation
> return false;
> }
>
> public boolean isSigned() {
> //ToDo: implementation
> return false;
> }
>
> public boolean isWritable() {
> //ToDo: implementation
> return false;
> }
>
> }
>
>
>
> 1.1
jakarta-avalon-cornerstone/apps/db/src/java/org/apache/avalon/db/data/impl/V
arCharColumn.java
>
> Index: VarCharColumn.java
> ===================================================================
>
> /*
> * Copyright (C) The Apache Software Foundation. All rights reserved.
> *
> * This software is published under the terms of the Apache Software
License
> * version 1.1, a copy of which has been included with this distribution
in
> * the LICENSE file.
> */
> package org.apache.avalon.db.data.impl;
>
>
>
> import org.apache.avalon.db.data.Table;
> import org.apache.avalon.db.data.Queryable;
> import org.apache.avalon.db.data.Column;
> import org.apache.avalon.db.data.ValidationException;
>
>
> /**
> * Class VarCharColumn
> *
> *
> * @author Paul Hammant <a
href="mailto:[EMAIL PROTECTED]">[EMAIL PROTECTED]</a>
> * @author Gerhard Froehlich <a
href="mailto:[EMAIL PROTECTED]">[EMAIL PROTECTED]</a>*
> * @version $Revision: 1.1 $
> */
> public class VarCharColumn extends AbstractColumn {
>
> private int mMaxLength;
>
> /**
> * Constructor VarCharColumn
> *
> *
> * @param name
> * @param maxLength
> * @param javaType
> *
> */
> public VarCharColumn(String name, int maxLength) {
> super(name,"varchar",String.class.getName());
> mMaxLength = maxLength;
> }
>
> public void test(Object obj) throws ValidationException {
> String str = (String) obj;
> if (str.length() > mMaxLength) {
> throw new ValidationException("String " + mName + "at is too
long at " + str.length());
> }
> }
>
>
>
> }
>
>
>
>
> --
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