DbObjectBase (H2 Database Engine wt-1.0.1 API)

java.lang.Object
- org.h2.engine.DbObjectBase

所有已实现的接口:

DbObject

直接已知子类:

Comment, Right, RightOwner, Schema, SchemaObjectBase, Setting, UserAggregate, UserDataType
```
public abstract class DbObjectBase
extends Object
implements DbObject
```
The base class for all database objects.

字段概要

字段
限定符和类型字段和说明

protected String comment
The comment (if set).

protected Database database
The database.

protected Trace trace
The trace module.
- 从接口继承的字段 org.h2.engine.DbObject
  AGGREGATE, COMMENT, CONSTANT, CONSTRAINT, FUNCTION_ALIAS, INDEX, RIGHT, ROLE, SCHEMA, SEQUENCE, SETTING, TABLE_OR_VIEW, TRIGGER, USER, USER_DATATYPE

字段
限定符和类型	字段和说明
`protected String`	`comment` The comment (if set).
`protected Database`	`database` The database.
`protected Trace`	`trace` The trace module.

构造器概要

构造器
构造器和说明

DbObjectBase()

构造器
构造器和说明
`DbObjectBase()`

方法概要

所有方法实例方法抽象方法具体方法
限定符和类型	方法和说明
`abstract void`	`checkRename()` Check if this object can be renamed.
`ArrayList<DbObject>`	`getChildren()` Get the list of dependent children (for tables, this includes indexes and so on).
`String`	`getComment()` Get the current comment of this object.
`abstract String`	`getCreateSQL()` Build a SQL statement to re-create this object.
`Database`	`getDatabase()` Get the database.
`abstract String`	`getDropSQL()` Build a SQL statement to drop this object.
`int`	`getId()` Get the unique object id.
`long`	`getModificationId()`
`String`	`getName()` Get the name.
`String`	`getSQL()` Get the SQL name of this object (may be quoted).
`protected void`	`initDbObjectBase(Database db, int objectId, String name, int traceModuleId)` Initialize some attributes of this object.
`protected void`	`invalidate()` Set the main attributes to null to make sure the object is no longer used.
`boolean`	`isTemporary()` Check if this object is temporary (for example, a temporary table).
`boolean`	`isValid()`
`abstract void`	`removeChildrenAndResources(Session session)` Remove all dependent objects and free all resources (files, blocks in files) of this object.
`void`	`rename(String newName)` Rename the object.
`void`	`setComment(String comment)` Change the comment of this object.
`void`	`setModified()` Tell the object that is was modified.
`protected void`	`setObjectName(String name)`
`void`	`setTemporary(boolean temporary)` Tell this object that it is temporary or not.
`String`	`toString()`

从类继承的方法 java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

从接口继承的方法 org.h2.engine.DbObject
getCreateSQLForCopy, getType

- 字段详细资料
  - database
```
protected Database database
```
    The database.
  - trace
```
protected Trace trace
```
    The trace module.
  - comment
```
protected String comment
```
    The comment (if set).
- 构造器详细资料
  - DbObjectBase
```
public DbObjectBase()
```
- 方法详细资料
  - initDbObjectBase
```
protected void initDbObjectBase(Database db,
                                int objectId,
                                String name,
                                int traceModuleId)
```
    Initialize some attributes of this object.
    
    参数:
    
    db - the database
    
    objectId - the object id
    
    name - the name
    
    traceModuleId - the trace module id
  - getCreateSQL
```
public abstract String getCreateSQL()
```
    Build a SQL statement to re-create this object.
    
    指定者:
    
    getCreateSQL 在接口中 DbObject
    
    返回:
    
    the SQL statement
  - getDropSQL
```
public abstract String getDropSQL()
```
    Build a SQL statement to drop this object.
    
    指定者:
    
    getDropSQL 在接口中 DbObject
    
    返回:
    
    the SQL statement
  - removeChildrenAndResources
```
public abstract void removeChildrenAndResources(Session session)
```
    Remove all dependent objects and free all resources (files, blocks in files) of this object.
    
    指定者:
    
    removeChildrenAndResources 在接口中 DbObject
    
    参数:
    
    session - the session
  - checkRename
```
public abstract void checkRename()
```
    Check if this object can be renamed. System objects may not be renamed.
    
    指定者:
    
    checkRename 在接口中 DbObject
  - setModified
```
public void setModified()
```
    Tell the object that is was modified.
  - getModificationId
```
public long getModificationId()
```
  - setObjectName
```
protected void setObjectName(String name)
```
  - getSQL
```
public String getSQL()
```
    从接口复制的说明: DbObject
    
    Get the SQL name of this object (may be quoted).
    
    指定者:
    
    getSQL 在接口中 DbObject
    
    返回:
    
    the SQL name
  - getChildren
```
public ArrayList<DbObject> getChildren()
```
    从接口复制的说明: DbObject
    
    Get the list of dependent children (for tables, this includes indexes and so on).
    
    指定者:
    
    getChildren 在接口中 DbObject
    
    返回:
    
    the list of children
  - getDatabase
```
public Database getDatabase()
```
    从接口复制的说明: DbObject
    
    Get the database.
    
    指定者:
    
    getDatabase 在接口中 DbObject
    
    返回:
    
    the database
  - getId
```
public int getId()
```
    从接口复制的说明: DbObject
    
    Get the unique object id.
    
    指定者:
    
    getId 在接口中 DbObject
    
    返回:
    
    the object id
  - getName
```
public String getName()
```
    从接口复制的说明: DbObject
    
    Get the name.
    
    指定者:
    
    getName 在接口中 DbObject
    
    返回:
    
    the name
  - invalidate
```
protected void invalidate()
```
    Set the main attributes to null to make sure the object is no longer used.
  - isValid
```
public final boolean isValid()
```
  - rename
```
public void rename(String newName)
```
    从接口复制的说明: DbObject
    
    Rename the object.
    
    指定者:
    
    rename 在接口中 DbObject
    
    参数:
    
    newName - the new name
  - isTemporary
```
public boolean isTemporary()
```
    从接口复制的说明: DbObject
    
    Check if this object is temporary (for example, a temporary table).
    
    指定者:
    
    isTemporary 在接口中 DbObject
    
    返回:
    
    true if is temporary
  - setTemporary
```
public void setTemporary(boolean temporary)
```
    从接口复制的说明: DbObject
    
    Tell this object that it is temporary or not.
    
    指定者:
    
    setTemporary 在接口中 DbObject
    
    参数:
    
    temporary - the new value
  - setComment
```
public void setComment(String comment)
```
    从接口复制的说明: DbObject
    
    Change the comment of this object.
    
    指定者:
    
    setComment 在接口中 DbObject
    
    参数:
    
    comment - the new comment, or null for no comment
  - getComment
```
public String getComment()
```
    从接口复制的说明: DbObject
    
    Get the current comment of this object.
    
    指定者:
    
    getComment 在接口中 DbObject
    
    返回:
    
    the comment, or null if not set
  - toString
```
public String toString()
```
    覆盖:
    
    toString 在类中 Object

类 DbObjectBase

字段概要

从接口继承的字段 org.h2.engine.DbObject

构造器概要

方法概要

从类继承的方法 java.lang.Object

从接口继承的方法 org.h2.engine.DbObject

字段详细资料

database

trace

comment

构造器详细资料

DbObjectBase

方法详细资料

initDbObjectBase

getCreateSQL

getDropSQL

removeChildrenAndResources

checkRename

setModified

getModificationId

setObjectName

getSQL

getChildren

getDatabase

getId

getName

invalidate

isValid

rename

isTemporary

setTemporary

setComment

getComment

toString