java.lang.Object
- org.apache.openjpa.meta.SequenceMetaData

All Implemented Interfaces:

Serializable, SourceTracker, Closeable, Commentable, MetaDataContext

Direct Known Subclasses:

SequenceMapping
```
public class SequenceMetaData
extends Object
implements SourceTracker, MetaDataContext, Closeable, Commentable, Serializable
```
Metadata about a named sequence.

Since:

0.4.0

Author:

Abe White

See Also:

Serialized Form

Nested Class Summary

Nested Classes
Modifier and Type	Class	Description
`static interface`	`SequenceMetaData.SequenceFactory`	Allow facades to supply adapters from a spec sequence type to the OpenJPA sequence type.

Field Summary

Fields
Modifier and Type	Field	Description
`static String`	`IMPL_NATIVE`	Default plugin alias name; every back end should have some 'native' sequence implementation.
`static String`	`IMPL_TIME`	Time-based sequence values.
`static String`	`NAME_SYSTEM`	Sequence name that means to use the system default sequence.

Fields inherited from interface org.apache.openjpa.lib.xml.Commentable
EMPTY_COMMENTS

Fields inherited from interface org.apache.openjpa.lib.meta.SourceTracker
SRC_ANNOTATIONS, SRC_OTHER, SRC_XML

Constructor Summary

Constructors
Constructor Description

SequenceMetaData(String name, MetaDataRepository repos)
Constructor; supply sequence name.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`protected void`	`addStandardProperties(StringBuilder props)`	Add standard properties to the given properties buffer.
`protected void`	`appendProperty(StringBuilder props, String name, int val)`	Add an int property to the buffer.
`protected void`	`appendProperty(StringBuilder props, String name, String val)`	Add a string property to the buffer.
`void`	`close()`	Close user sequence instance.
`int`	`getAllocate()`	Sequence values to allocate, or -1 for default.
`String`	`getCatalog()`
`int`	`getColNumber()`	Return the column number in the line of the file at which this instance was parsed.
`String[]`	`getComments()`	Return comments, or empty array if none.
`int`	`getIncrement()`	Sequence increment, or -1 for default.
`int`	`getInitialValue()`	Initial sequence value, or -1 for default.
`Seq`	`getInstance(ClassLoader envLoader)`	Return the initialized sequence instance.
`int`	`getLineNumber()`	Return the line number of the file at which this instance was parsed.
`String`	`getName()`	The sequence name.
`MetaDataRepository`	`getRepository()`	The owning repository.
`String`	`getResourceName()`	Return the domain-meaningful name of the resource that was loaded from this source.
`String`	`getSchema()`
`String`	`getSequence()`	Native sequence name.
`SequenceMetaData.SequenceFactory`	`getSequenceFactory()`	A factory to transform spec sequences produced by user factories into the OpenJPA sequence type.
`String`	`getSequencePlugin()`	Plugin string describing the `Seq`.
`File`	`getSourceFile()`	Return the file from which this instance was parsed.
`Object`	`getSourceScope()`	Return the domain-dependent scope of this instance within its file.
`int`	`getSourceType()`	Return the type of source.
`int`	`getType()`	The sequence type.
`protected Seq`	`instantiate(ClassLoader envLoader)`	Create a new uninitialized instance of this sequence.
`protected PluginValue`	`newPluginValue(String property)`	Create a new plugin value for sequences.
`void`	`setAllocate(int allocate)`	Sequence values to allocate, or -1 for default.
`void`	`setCatalog(String catalog)`
`void`	`setColNumber(int colNum)`
`void`	`setComments(String[] comments)`	Set comments.
`void`	`setIncrement(int increment)`	Sequence increment, or -1 for default.
`void`	`setInitialValue(int initial)`	Initial sequence value, or -1 for default.
`void`	`setLineNumber(int lineNum)`
`void`	`setSchema(String schema)`
`void`	`setSequence(String sequence)`	Native sequence name.
`void`	`setSequenceFactory(SequenceMetaData.SequenceFactory factory)`	A factory to transform spec sequences produced by user factories into the OpenJPA sequence type.
`void`	`setSequencePlugin(String plugin)`	Plugin string describing the `Seq`.
`void`	`setSource(File file, Object scope, int srcType)`
`void`	`setType(int type)`	The sequence type.
`String`	`toString()`
`protected String`	`wrapValue(String value)`	Wraps property values that may contain spaces or other special characters in double quotes so they are processed as a single valued argument.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

- Field Detail
  - NAME_SYSTEM
```
public static final String NAME_SYSTEM
```
    Sequence name that means to use the system default sequence.
    
    See Also:
    
    Constant Field Values
  - IMPL_NATIVE
```
public static final String IMPL_NATIVE
```
    Default plugin alias name; every back end should have some 'native' sequence implementation.
    
    See Also:
    
    Constant Field Values
  - IMPL_TIME
```
public static final String IMPL_TIME
```
    Time-based sequence values.
    
    See Also:
    
    Constant Field Values
- Constructor Detail
  - SequenceMetaData
```
public SequenceMetaData(String name,
                        MetaDataRepository repos)
```
    Constructor; supply sequence name.
- Method Detail
  - getRepository
```
public MetaDataRepository getRepository()
```
    The owning repository.
    
    Specified by:
    
    getRepository in interface MetaDataContext
  - getName
```
public String getName()
```
    The sequence name.
  - getSourceFile
```
public File getSourceFile()
```
    Description copied from interface: SourceTracker
    
    Return the file from which this instance was parsed.
    
    Specified by:
    
    getSourceFile in interface SourceTracker
  - getSourceScope
```
public Object getSourceScope()
```
    Description copied from interface: SourceTracker
    
    Return the domain-dependent scope of this instance within its file.
    
    Specified by:
    
    getSourceScope in interface SourceTracker
  - getSourceType
```
public int getSourceType()
```
    Description copied from interface: SourceTracker
    
    Return the type of source.
    
    Specified by:
    
    getSourceType in interface SourceTracker
  - setSource
```
public void setSource(File file,
                      Object scope,
                      int srcType)
```
  - getLineNumber
```
public int getLineNumber()
```
    Description copied from interface: SourceTracker
    
    Return the line number of the file at which this instance was parsed.
    
    Specified by:
    
    getLineNumber in interface SourceTracker
  - setLineNumber
```
public void setLineNumber(int lineNum)
```
  - getColNumber
```
public int getColNumber()
```
    Description copied from interface: SourceTracker
    
    Return the column number in the line of the file at which this instance was parsed.
    
    Specified by:
    
    getColNumber in interface SourceTracker
  - setColNumber
```
public void setColNumber(int colNum)
```
  - getResourceName
```
public String getResourceName()
```
    Description copied from interface: SourceTracker
    
    Return the domain-meaningful name of the resource that was loaded from this source. I.e., if we had loaded the source for a Java class, this would return the name of the class.
    
    Specified by:
    
    getResourceName in interface SourceTracker
  - getType
```
public int getType()
```
    The sequence type.
  - setType
```
public void setType(int type)
```
    The sequence type.
  - getSequence
```
public String getSequence()
```
    Native sequence name.
  - setSequence
```
public void setSequence(String sequence)
```
    Native sequence name.
  - getIncrement
```
public int getIncrement()
```
    Sequence increment, or -1 for default.
  - setIncrement
```
public void setIncrement(int increment)
```
    Sequence increment, or -1 for default.
  - getAllocate
```
public int getAllocate()
```
    Sequence values to allocate, or -1 for default.
  - setAllocate
```
public void setAllocate(int allocate)
```
    Sequence values to allocate, or -1 for default.
  - getInitialValue
```
public int getInitialValue()
```
    Initial sequence value, or -1 for default.
  - setInitialValue
```
public void setInitialValue(int initial)
```
    Initial sequence value, or -1 for default.
  - getSequencePlugin
```
public String getSequencePlugin()
```
    Plugin string describing the Seq.
  - setSequencePlugin
```
public void setSequencePlugin(String plugin)
```
    Plugin string describing the Seq.
  - getSequenceFactory
```
public SequenceMetaData.SequenceFactory getSequenceFactory()
```
    A factory to transform spec sequences produced by user factories into the OpenJPA sequence type.
  - setSequenceFactory
```
public void setSequenceFactory(SequenceMetaData.SequenceFactory factory)
```
    A factory to transform spec sequences produced by user factories into the OpenJPA sequence type.
  - getInstance
```
public Seq getInstance(ClassLoader envLoader)
```
    Return the initialized sequence instance.
  - instantiate
```
protected Seq instantiate(ClassLoader envLoader)
```
    Create a new uninitialized instance of this sequence.
  - setSchema
```
public void setSchema(String schema)
```
  - getSchema
```
public String getSchema()
```
  - setCatalog
```
public void setCatalog(String catalog)
```
  - getCatalog
```
public String getCatalog()
```
  - newPluginValue
```
protected PluginValue newPluginValue(String property)
```
    Create a new plugin value for sequences. Returns a standard SeqValue by default.
  - addStandardProperties
```
protected void addStandardProperties(StringBuilder props)
```
    Add standard properties to the given properties buffer.
  - wrapValue
```
protected String wrapValue(String value)
```
    Wraps property values that may contain spaces or other special characters in double quotes so they are processed as a single valued argument.
  - appendProperty
```
protected void appendProperty(StringBuilder props,
                              String name,
                              String val)
```
    Add a string property to the buffer. Nothing will be added if value is null or empty string.
  - appendProperty
```
protected void appendProperty(StringBuilder props,
                              String name,
                              int val)
```
    Add an int property to the buffer. Nothing will be added if value is -1.
  - close
```
public void close()
```
    Close user sequence instance.
    
    Specified by:
    
    close in interface Closeable
  - toString
```
public String toString()
```
    Overrides:
    
    toString in class Object
  - getComments
```
public String[] getComments()
```
    Description copied from interface: Commentable
    
    Return comments, or empty array if none.
    
    Specified by:
    
    getComments in interface Commentable
  - setComments
```
public void setComments(String[] comments)
```
    Description copied from interface: Commentable
    
    Set comments.
    
    Specified by:
    
    setComments in interface Commentable

Class SequenceMetaData

Nested Class Summary

Field Summary

Fields inherited from interface org.apache.openjpa.lib.xml.Commentable

Fields inherited from interface org.apache.openjpa.lib.meta.SourceTracker

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

NAME_SYSTEM

IMPL_NATIVE

IMPL_TIME

Constructor Detail

SequenceMetaData

Method Detail

getRepository

getName

getSourceFile

getSourceScope

getSourceType

setSource

getLineNumber

setLineNumber

getColNumber

setColNumber

getResourceName

getType

setType

getSequence

setSequence

getIncrement

setIncrement

getAllocate

setAllocate

getInitialValue

setInitialValue

getSequencePlugin

setSequencePlugin

getSequenceFactory

setSequenceFactory

getInstance

instantiate

setSchema

getSchema

setCatalog

getCatalog

newPluginValue

addStandardProperties

wrapValue

appendProperty

appendProperty

close

toString

getComments

setComments