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h2database
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c2b7d146
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c2b7d146
authored
2月 23, 2011
作者:
Thomas Mueller
浏览文件
操作
浏览文件
下载
电子邮件补丁
差异文件
Cleanup:
- Mainly Javadoc changes.
上级
6216db17
隐藏空白字符变更
内嵌
并排
正在显示
6 个修改的文件
包含
367 行增加
和
360 行删除
+367
-360
DbInspector.java
h2/src/tools/org/h2/jaqu/DbInspector.java
+183
-183
DbUpgrader.java
h2/src/tools/org/h2/jaqu/DbUpgrader.java
+61
-61
DbVersion.java
h2/src/tools/org/h2/jaqu/DbVersion.java
+45
-42
Declaration.java
h2/src/tools/org/h2/jaqu/Declaration.java
+26
-22
Define.java
h2/src/tools/org/h2/jaqu/Define.java
+3
-3
IncrementColumn.java
h2/src/tools/org/h2/jaqu/IncrementColumn.java
+49
-49
没有找到文件。
h2/src/tools/org/h2/jaqu/DbInspector.java
浏览文件 @
c2b7d146
/*
/*
* Copyright 2004-2011 H2 Group. Multiple-Licensed under the H2 License,
* Copyright 2004-2011 H2 Group. Multiple-Licensed under the H2 License,
* Version 1.0, and under the Eclipse Public License, Version 1.0
* Version 1.0, and under the Eclipse Public License, Version 1.0
* (http://h2database.com/html/license.html).
* (http://h2database.com/html/license.html).
* Initial Developer: James Moger
* Initial Developer: James Moger
*/
*/
package
org
.
h2
.
jaqu
;
package
org
.
h2
.
jaqu
;
import
java.sql.DatabaseMetaData
;
import
java.sql.DatabaseMetaData
;
import
java.sql.ResultSet
;
import
java.sql.ResultSet
;
import
java.sql.SQLException
;
import
java.sql.SQLException
;
import
java.text.MessageFormat
;
import
java.text.MessageFormat
;
import
java.util.ArrayList
;
import
java.util.ArrayList
;
import
java.util.List
;
import
java.util.List
;
import
org.h2.jaqu.Table.JQTable
;
import
org.h2.jaqu.Table.JQTable
;
import
org.h2.jaqu.util.JdbcUtils
;
import
org.h2.jaqu.util.JdbcUtils
;
import
org.h2.jaqu.util.StringUtils
;
import
org.h2.jaqu.util.StringUtils
;
import
org.h2.jaqu.util.Utils
;
import
org.h2.jaqu.util.Utils
;
/**
/**
* Class to inspect a model and a database for the purposes of model validation
* Class to inspect a model and a database for the purposes of model validation
* and automatic model generation. This class finds the available schemas and
* and automatic model generation. This class finds the available schemas and
* tables and serves as the entry point for model generation and validation.
* tables and serves as the entry point for model generation and validation.
*/
*/
public
class
DbInspector
{
public
class
DbInspector
{
private
Db
db
;
private
Db
db
;
private
DatabaseMetaData
metaData
;
private
DatabaseMetaData
metaData
;
private
Class
<?
extends
java
.
util
.
Date
>
dateClass
=
java
.
util
.
Date
.
class
;
private
Class
<?
extends
java
.
util
.
Date
>
dateClass
=
java
.
util
.
Date
.
class
;
private
int
todoReviewWholeClass
;
private
int
todoReviewWholeClass
;
public
DbInspector
(
Db
db
)
{
public
DbInspector
(
Db
db
)
{
this
.
db
=
db
;
this
.
db
=
db
;
}
}
/**
/**
* Set the preferred Date class.
* Set the preferred Date class.
Possible values are: java.util.Date
*
Possible values are: java.util.Date (default) and java.sql.Timestamp.
*
(default), java.sql.Date, java.sql.Timestamp.
*
*
* @param dateClass the new date class
* @param dateClass the new date class
*/
*/
public
void
setPreferredDateClass
(
Class
<?
extends
java
.
util
.
Date
>
dateClass
)
{
public
void
setPreferredDateClass
(
Class
<?
extends
java
.
util
.
Date
>
dateClass
)
{
this
.
dateClass
=
dateClass
;
this
.
dateClass
=
dateClass
;
}
}
/**
/**
* Generates models class skeletons for schemas and tables. If the table
* Generates models class skeletons for schemas and tables. If the table
* name is undefined, models will be generated for every table within the
* name is undefined, models will be generated for every table within the
* specified schema. Additionally, if no schema is defined, models will be
* specified schema. Additionally, if no schema is defined, models will be
* generated for all schemas and all tables.
* generated for all schemas and all tables.
*
*
* @param schema the schema name (optional)
* @param schema the schema name (optional)
* @param table the table name (optional)
* @param table the table name (optional)
* @param packageName the package name (optional)
* @param packageName the package name (optional)
* @param annotateSchema (includes schema name in annotation)
* @param annotateSchema (includes schema name in annotation)
* @param trimStrings (trims strings to maxLength of column)
* @param trimStrings (trims strings to maxLength of column)
* @return a list of complete model classes as strings, each element a class
* @return a list of complete model classes as strings, each element a class
*/
*/
public
List
<
String
>
generateModel
(
String
schema
,
String
table
,
public
List
<
String
>
generateModel
(
String
schema
,
String
table
,
String
packageName
,
boolean
annotateSchema
,
boolean
trimStrings
)
{
String
packageName
,
boolean
annotateSchema
,
boolean
trimStrings
)
{
try
{
try
{
List
<
String
>
models
=
Utils
.
newArrayList
();
List
<
String
>
models
=
Utils
.
newArrayList
();
List
<
TableInspector
>
tables
=
findTables
(
schema
,
table
);
List
<
TableInspector
>
tables
=
findTables
(
schema
,
table
);
for
(
TableInspector
t
:
tables
)
{
for
(
TableInspector
t
:
tables
)
{
t
.
read
(
metaData
);
t
.
read
(
metaData
);
String
model
=
t
.
generateModel
(
packageName
,
annotateSchema
,
String
model
=
t
.
generateModel
(
packageName
,
annotateSchema
,
trimStrings
);
trimStrings
);
models
.
add
(
model
);
models
.
add
(
model
);
}
}
return
models
;
return
models
;
}
catch
(
SQLException
s
)
{
}
catch
(
SQLException
s
)
{
throw
new
RuntimeException
(
s
);
throw
new
RuntimeException
(
s
);
}
}
}
}
/**
/**
* Validates a model.
* Validates a model.
*
*
* @param <T> the model class
* @param <T> the model class
* @param model and instance of the model class
* @param model and instance of the model class
* @param throwOnError
* @param throwOnError
* @return
* @return
*/
*/
public
<
T
>
List
<
Validation
>
validateModel
(
T
model
,
boolean
throwOnError
)
{
public
<
T
>
List
<
Validation
>
validateModel
(
T
model
,
boolean
throwOnError
)
{
try
{
try
{
TableInspector
inspector
=
findTable
(
model
);
TableInspector
inspector
=
findTable
(
model
);
inspector
.
read
(
metaData
);
inspector
.
read
(
metaData
);
@SuppressWarnings
(
"unchecked"
)
@SuppressWarnings
(
"unchecked"
)
Class
<
T
>
clazz
=
(
Class
<
T
>)
model
.
getClass
();
Class
<
T
>
clazz
=
(
Class
<
T
>)
model
.
getClass
();
TableDefinition
<
T
>
def
=
db
.
define
(
clazz
);
TableDefinition
<
T
>
def
=
db
.
define
(
clazz
);
return
inspector
.
validate
(
def
,
throwOnError
);
return
inspector
.
validate
(
def
,
throwOnError
);
}
catch
(
SQLException
s
)
{
}
catch
(
SQLException
s
)
{
throw
new
RuntimeException
(
s
);
throw
new
RuntimeException
(
s
);
}
}
}
}
private
DatabaseMetaData
getMetaData
()
throws
SQLException
{
private
DatabaseMetaData
getMetaData
()
throws
SQLException
{
if
(
metaData
==
null
)
{
if
(
metaData
==
null
)
{
metaData
=
db
.
getConnection
().
getMetaData
();
metaData
=
db
.
getConnection
().
getMetaData
();
}
}
return
metaData
;
return
metaData
;
}
}
/**
/**
* Attempts to find a table in the database based on the model definition.
* Attempts to find a table in the database based on the model definition.
*
*
* @param <T>
* @param <T>
* @param model
* @param model
* @return
* @return
* @throws SQLException
* @throws SQLException
*/
*/
private
<
T
>
TableInspector
findTable
(
T
model
)
throws
SQLException
{
private
<
T
>
TableInspector
findTable
(
T
model
)
throws
SQLException
{
@SuppressWarnings
(
"unchecked"
)
@SuppressWarnings
(
"unchecked"
)
Class
<
T
>
clazz
=
(
Class
<
T
>)
model
.
getClass
();
Class
<
T
>
clazz
=
(
Class
<
T
>)
model
.
getClass
();
TableDefinition
<
T
>
def
=
db
.
define
(
clazz
);
TableDefinition
<
T
>
def
=
db
.
define
(
clazz
);
boolean
forceUpperCase
=
getMetaData
().
storesUpperCaseIdentifiers
();
boolean
forceUpperCase
=
getMetaData
().
storesUpperCaseIdentifiers
();
String
s
name
=
(
forceUpperCase
&&
def
.
schemaName
!=
null
)
?
String
s
chema
=
(
forceUpperCase
&&
def
.
schemaName
!=
null
)
?
def
.
schemaName
.
toUpperCase
()
:
def
.
schemaName
;
def
.
schemaName
.
toUpperCase
()
:
def
.
schemaName
;
String
t
name
=
forceUpperCase
?
def
.
tableName
.
toUpperCase
()
:
def
.
tableName
;
String
t
able
=
forceUpperCase
?
def
.
tableName
.
toUpperCase
()
:
def
.
tableName
;
List
<
TableInspector
>
tables
=
findTables
(
s
name
,
tname
);
List
<
TableInspector
>
tables
=
findTables
(
s
chema
,
table
);
return
tables
.
get
(
0
);
return
tables
.
get
(
0
);
}
}
/**
/**
* Returns a list of tables
* Returns a list of tables
*
*
* @param schema the schema name
* @param schema the schema name
* @param table the table name
* @param table the table name
* @return a list of table inspectors
* @return a list of table inspectors
*/
*/
private
List
<
TableInspector
>
findTables
(
String
schema
,
String
table
)
throws
SQLException
{
private
List
<
TableInspector
>
findTables
(
String
schema
,
String
table
)
throws
SQLException
{
ResultSet
rs
=
null
;
ResultSet
rs
=
null
;
try
{
try
{
rs
=
getMetaData
().
getSchemas
();
rs
=
getMetaData
().
getSchemas
();
ArrayList
<
String
>
schemaList
=
Utils
.
newArrayList
();
ArrayList
<
String
>
schemaList
=
Utils
.
newArrayList
();
while
(
rs
.
next
())
{
while
(
rs
.
next
())
{
schemaList
.
add
(
rs
.
getString
(
"TABLE_SCHEM"
));
schemaList
.
add
(
rs
.
getString
(
"TABLE_SCHEM"
));
}
}
JdbcUtils
.
closeSilently
(
rs
);
JdbcUtils
.
closeSilently
(
rs
);
// get JaQu Tables table name.
// get JaQu Tables table name.
String
jaquTables
=
DbVersion
.
class
.
getAnnotation
(
JQTable
.
class
).
name
();
String
jaquTables
=
DbVersion
.
class
.
getAnnotation
(
JQTable
.
class
).
name
();
List
<
TableInspector
>
tables
=
Utils
.
newArrayList
();
List
<
TableInspector
>
tables
=
Utils
.
newArrayList
();
if
(
schemaList
.
size
()
==
0
)
{
if
(
schemaList
.
size
()
==
0
)
{
schemaList
.
add
(
null
);
schemaList
.
add
(
null
);
}
}
for
(
String
s
:
schemaList
)
{
for
(
String
s
:
schemaList
)
{
rs
=
getMetaData
().
getTables
(
null
,
s
,
null
,
new
String
[]
{
"TABLE"
});
rs
=
getMetaData
().
getTables
(
null
,
s
,
null
,
new
String
[]
{
"TABLE"
});
while
(
rs
.
next
())
{
while
(
rs
.
next
())
{
String
t
=
rs
.
getString
(
"TABLE_NAME"
);
String
t
=
rs
.
getString
(
"TABLE_NAME"
);
if
(!
t
.
equalsIgnoreCase
(
jaquTables
))
{
if
(!
t
.
equalsIgnoreCase
(
jaquTables
))
{
// Ignore JaQu versions table
// Ignore JaQu versions table
tables
.
add
(
new
TableInspector
(
s
,
t
,
tables
.
add
(
new
TableInspector
(
s
,
t
,
getMetaData
().
storesUpperCaseIdentifiers
(),
dateClass
));
getMetaData
().
storesUpperCaseIdentifiers
(),
dateClass
));
}
}
}
}
}
}
if
(
StringUtils
.
isNullOrEmpty
(
schema
)
&&
StringUtils
.
isNullOrEmpty
(
table
))
{
if
(
StringUtils
.
isNullOrEmpty
(
schema
)
&&
StringUtils
.
isNullOrEmpty
(
table
))
{
// all schemas and tables
// all schemas and tables
return
tables
;
return
tables
;
}
}
// schema subset OR table subset OR exact match
// schema subset OR table subset OR exact match
List
<
TableInspector
>
matches
=
Utils
.
newArrayList
();
List
<
TableInspector
>
matches
=
Utils
.
newArrayList
();
for
(
TableInspector
t
:
tables
)
{
for
(
TableInspector
t
:
tables
)
{
if
(
t
.
matches
(
schema
,
table
))
{
if
(
t
.
matches
(
schema
,
table
))
{
matches
.
add
(
t
);
matches
.
add
(
t
);
}
}
}
}
if
(
matches
.
size
()
==
0
)
{
if
(
matches
.
size
()
==
0
)
{
throw
new
RuntimeException
(
throw
new
RuntimeException
(
MessageFormat
.
format
(
"Failed to find schema={0} table={1}"
,
MessageFormat
.
format
(
"Failed to find schema={0} table={1}"
,
schema
==
null
?
""
:
schema
,
table
==
null
?
""
:
table
));
schema
==
null
?
""
:
schema
,
table
==
null
?
""
:
table
));
}
}
return
matches
;
return
matches
;
}
finally
{
}
finally
{
JdbcUtils
.
closeSilently
(
rs
);
JdbcUtils
.
closeSilently
(
rs
);
}
}
}
}
}
}
h2/src/tools/org/h2/jaqu/DbUpgrader.java
浏览文件 @
c2b7d146
/*
/*
* Copyright 2004-2011 H2 Group. Multiple-Licensed under the H2 License, Version
* Copyright 2004-2011 H2 Group. Multiple-Licensed under the H2 License, Version
* 1.0, and under the Eclipse Public License, Version 1.0
* 1.0, and under the Eclipse Public License, Version 1.0
* (http://h2database.com/html/license.html). Initial Developer: James Moger
* (http://h2database.com/html/license.html). Initial Developer: James Moger
*/
*/
package
org
.
h2
.
jaqu
;
package
org
.
h2
.
jaqu
;
import
org.h2.jaqu.Table.JQDatabase
;
import
org.h2.jaqu.Table.JQDatabase
;
/**
/**
* Interface which defines a class to handle table changes based on model
* Interface which defines a class to handle table changes based on model
* versions. An implementation of <i>DbUpgrader</i> must be annotated with the
* versions. An implementation of <i>DbUpgrader</i> must be annotated with the
* <i>JQDatabase</i> annotation, which defines the expected database version
* <i>JQDatabase</i> annotation, which defines the expected database version
* number.
* number.
*/
*/
public
interface
DbUpgrader
{
public
interface
DbUpgrader
{
/**
/**
* Defines method interface to handle database upgrades. This method is only
* Defines method interface to handle database upgrades. This method is only
* called if your <i>DbUpgrader</i> implementation is annotated with
* called if your <i>DbUpgrader</i> implementation is annotated with
* JQDatabase.
* JQDatabase.
*
*
* @param db the database
* @param db the database
* @param fromVersion the old version
* @param fromVersion the old version
* @param toVersion the new version
* @param toVersion the new version
* @return true for successful upgrade. If the upgrade is successful, the
* @return true for successful upgrade. If the upgrade is successful, the
* version registry is automatically updated.
* version registry is automatically updated.
*/
*/
boolean
upgradeDatabase
(
Db
db
,
int
fromVersion
,
int
toVersion
);
boolean
upgradeDatabase
(
Db
db
,
int
fromVersion
,
int
toVersion
);
/**
/**
* Defines method interface to handle table upgrades.
* Defines method interface to handle table upgrades.
*
*
* @param db the database
* @param db the database
* @param schema the schema
* @param schema the schema
* @param table the table
* @param table the table
* @param fromVersion the old version
* @param fromVersion the old version
* @param toVersion the new version
* @param toVersion the new version
* @return true for successful upgrade. If the upgrade is successful, the
* @return true for successful upgrade. If the upgrade is successful, the
* version registry is automatically updated.
* version registry is automatically updated.
*/
*/
boolean
upgradeTable
(
Db
db
,
String
schema
,
String
table
,
int
fromVersion
,
int
toVersion
);
boolean
upgradeTable
(
Db
db
,
String
schema
,
String
table
,
int
fromVersion
,
int
toVersion
);
/**
/**
* The default database upgrader. It throws runtime exception instead of
* The default database upgrader. It throws runtime exception instead of
* handling upgrade requests.
* handling upgrade requests.
*/
*/
@JQDatabase
(
version
=
0
)
@JQDatabase
(
version
=
0
)
public
static
class
DefaultDbUpgrader
implements
DbUpgrader
{
public
static
class
DefaultDbUpgrader
implements
DbUpgrader
{
public
boolean
upgradeDatabase
(
Db
db
,
int
fromVersion
,
int
toVersion
)
{
public
boolean
upgradeDatabase
(
Db
db
,
int
fromVersion
,
int
toVersion
)
{
throw
new
RuntimeException
(
"Please provide your own DbUpgrader implementation."
);
throw
new
RuntimeException
(
"Please provide your own DbUpgrader implementation."
);
}
}
public
boolean
upgradeTable
(
Db
db
,
String
schema
,
String
table
,
int
fromVersion
,
int
toVersion
)
{
public
boolean
upgradeTable
(
Db
db
,
String
schema
,
String
table
,
int
fromVersion
,
int
toVersion
)
{
throw
new
RuntimeException
(
"Please provide your own DbUpgrader implementation."
);
throw
new
RuntimeException
(
"Please provide your own DbUpgrader implementation."
);
}
}
}
}
}
}
h2/src/tools/org/h2/jaqu/DbVersion.java
浏览文件 @
c2b7d146
/*
/*
* Copyright 2004-2011 H2 Group. Multiple-Licensed under the H2 License,
* Copyright 2004-2011 H2 Group. Multiple-Licensed under the H2 License,
* Version 1.0, and under the Eclipse Public License, Version 1.0
* Version 1.0, and under the Eclipse Public License, Version 1.0
* (http://h2database.com/html/license.html).
* (http://h2database.com/html/license.html).
* Initial Developer: James Moger
* Initial Developer: James Moger
*/
*/
package
org
.
h2
.
jaqu
;
package
org
.
h2
.
jaqu
;
import
org.h2.jaqu.Table.JQColumn
;
import
org.h2.jaqu.Table.JQColumn
;
import
org.h2.jaqu.Table.JQTable
;
import
org.h2.jaqu.Table.JQTable
;
/**
/**
* Model class for JaQu to track db and table versions.
* A JaQu system table to track database and table versions.
*
*/
*/
@JQTable
(
name
=
"_jq_versions"
,
primaryKey
=
"schemaName tableName"
,
memoryTable
=
true
)
@JQTable
(
name
=
"_jq_versions"
,
primaryKey
=
"schemaName tableName"
,
memoryTable
=
true
)
public
class
DbVersion
{
public
class
DbVersion
{
@JQColumn
(
name
=
"schemaName"
,
allowNull
=
false
)
@JQColumn
(
name
=
"schemaName"
,
allowNull
=
false
)
String
schema
=
""
;
String
schema
;
@JQColumn
(
name
=
"tableName"
,
allowNull
=
false
)
@JQColumn
(
name
=
"tableName"
,
allowNull
=
false
)
String
table
=
""
;
String
table
;
@JQColumn
(
name
=
"version"
)
@JQColumn
(
name
=
"version"
)
Integer
version
;
Integer
version
;
private
int
todoReviewWholeClass
;
public
DbVersion
()
{
}
public
DbVersion
()
{
// nothing to do
/**
}
* Constructor for defining a version entry.
* (SCHEMA="" && TABLE="") == DATABASE
/**
*
* Constructor for defining a version entry. Both the schema and the table
* @param version
* are empty strings, which means this is the row for the 'database'.
*/
*
public
DbVersion
(
int
version
)
{
* @param version the database version
this
.
schema
=
""
;
*/
this
.
table
=
""
;
public
DbVersion
(
int
version
)
{
this
.
version
=
version
;
this
.
schema
=
""
;
}
this
.
table
=
""
;
}
this
.
version
=
version
;
}
}
h2/src/tools/org/h2/jaqu/Declaration.java
浏览文件 @
c2b7d146
/*
/*
* Copyright 2004-2011 H2 Group. Multiple-Licensed under the H2 License,
* Copyright 2004-2011 H2 Group. Multiple-Licensed under the H2 License,
* Version 1.0, and under the Eclipse Public License, Version 1.0
* Version 1.0, and under the Eclipse Public License, Version 1.0
* (http://h2database.com/html/license.html).
* (http://h2database.com/html/license.html).
* Initial Developer: James Moger
* Initial Developer: James Moger
*/
*/
package
org
.
h2
.
jaqu
;
package
org
.
h2
.
jaqu
;
/**
/**
* Classes implementing this interface can be used as a declaration in an
* Classes implementing this interface can be used as a declaration in an
* update statement.
* update statement.
*/
*/
public
interface
Declaration
{
public
interface
Declaration
{
/**
* Append the SQL to the given statement using the given query.
final
static
int
renameClassToUpdateDeclaration
=
0
;
*
* @param stat the statement to append the SQL to
/**
*/
* Append the SQL to the given statement using the given query.
//## Java 1.5 begin ##
*
void
appendSQL
(
SQLStatement
stat
);
* @param stat the statement to append the SQL to
//## Java 1.5 end ##
*/
}
//## Java 1.5 begin ##
void
appendSQL
(
SQLStatement
stat
);
//## Java 1.5 end ##
}
h2/src/tools/org/h2/jaqu/Define.java
浏览文件 @
c2b7d146
...
@@ -27,17 +27,17 @@ public class Define {
...
@@ -27,17 +27,17 @@ public class Define {
checkInDefine
();
checkInDefine
();
currentTableDefinition
.
addIndex
(
IndexType
.
STANDARD
,
columns
);
currentTableDefinition
.
addIndex
(
IndexType
.
STANDARD
,
columns
);
}
}
public
static
void
uniqueIndex
(
Object
...
columns
)
{
public
static
void
uniqueIndex
(
Object
...
columns
)
{
checkInDefine
();
checkInDefine
();
currentTableDefinition
.
addIndex
(
IndexType
.
UNIQUE
,
columns
);
currentTableDefinition
.
addIndex
(
IndexType
.
UNIQUE
,
columns
);
}
}
public
static
void
hashIndex
(
Object
column
)
{
public
static
void
hashIndex
(
Object
column
)
{
checkInDefine
();
checkInDefine
();
currentTableDefinition
.
addIndex
(
IndexType
.
HASH
,
new
Object
[]
{
column
});
currentTableDefinition
.
addIndex
(
IndexType
.
HASH
,
new
Object
[]
{
column
});
}
}
public
static
void
uniqueHashIndex
(
Object
column
)
{
public
static
void
uniqueHashIndex
(
Object
column
)
{
checkInDefine
();
checkInDefine
();
currentTableDefinition
.
addIndex
(
IndexType
.
UNIQUE_HASH
,
new
Object
[]
{
column
});
currentTableDefinition
.
addIndex
(
IndexType
.
UNIQUE_HASH
,
new
Object
[]
{
column
});
...
...
h2/src/tools/org/h2/jaqu/IncrementColumn.java
浏览文件 @
c2b7d146
/*
/*
* Copyright 2004-2011 H2 Group. Multiple-Licensed under the H2 License,
* Copyright 2004-2011 H2 Group. Multiple-Licensed under the H2 License,
* Version 1.0, and under the Eclipse Public License, Version 1.0
* Version 1.0, and under the Eclipse Public License, Version 1.0
* (http://h2database.com/html/license.html).
* (http://h2database.com/html/license.html).
* Initial Developer: James Moger
* Initial Developer: James Moger
*/
*/
package
org
.
h2
.
jaqu
;
package
org
.
h2
.
jaqu
;
/**
/**
* This class represents "SET column = (column + 1)" in an UPDATE statement.
* This class represents "SET column = (column + 1)" in an UPDATE statement.
*
*
* @param <T> the query type
* @param <T> the query type
* @param <A> the new value data type
* @param <A> the new value data type
*/
*/
//## Java 1.5 begin ##
//## Java 1.5 begin ##
public
class
IncrementColumn
<
T
,
A
>
implements
Declaration
{
public
class
IncrementColumn
<
T
,
A
>
implements
Declaration
{
private
Query
<
T
>
query
;
private
Query
<
T
>
query
;
private
A
x
;
private
A
x
;
private
A
y
;
private
A
y
;
IncrementColumn
(
Query
<
T
>
query
,
A
x
)
{
IncrementColumn
(
Query
<
T
>
query
,
A
x
)
{
this
.
query
=
query
;
this
.
query
=
query
;
this
.
x
=
x
;
this
.
x
=
x
;
}
}
public
Query
<
T
>
by
(
A
y
)
{
public
Query
<
T
>
by
(
A
y
)
{
query
.
addDeclarationToken
(
this
);
query
.
addDeclarationToken
(
this
);
this
.
y
=
y
;
this
.
y
=
y
;
return
query
;
return
query
;
}
}
public
void
appendSQL
(
SQLStatement
stat
)
{
public
void
appendSQL
(
SQLStatement
stat
)
{
query
.
appendSQL
(
stat
,
x
);
query
.
appendSQL
(
stat
,
x
);
stat
.
appendSQL
(
"=("
);
stat
.
appendSQL
(
"=("
);
query
.
appendSQL
(
stat
,
x
);
query
.
appendSQL
(
stat
,
x
);
int
todoSomethingWrongHere
;
int
todoSomethingWrongHere
;
if
(
y
instanceof
Number
)
{
if
(
y
instanceof
Number
)
{
Number
n
=
(
Number
)
y
;
Number
n
=
(
Number
)
y
;
if
(
n
.
doubleValue
()
>
0
)
{
if
(
n
.
doubleValue
()
>
0
)
{
stat
.
appendSQL
(
"+"
);
stat
.
appendSQL
(
"+"
);
}
}
}
}
stat
.
appendSQL
(
y
.
toString
());
stat
.
appendSQL
(
y
.
toString
());
stat
.
appendSQL
(
")"
);
stat
.
appendSQL
(
")"
);
}
}
}
}
//## Java 1.5 end ##
//## Java 1.5 end ##
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