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org.jboss.cache
Modification (JBoss Cache API) - JBoss 3.2.7 Cache API Documentation 英文版文档
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org.jboss.cache
Class Modification
java.lang.Objectorg.jboss.cache.Modification
- All Implemented Interfaces:
- Serializable
- public class Modification
- extends Object
- implements Serializable
- extends Object
Represents a modification in the cache. Contains the nature of the modification (e.g. PUT, REMOVE), the fqn of the node, the new value and the previous value. A list of modifications will be sent to all nodes in a cluster when a transaction has been committed (PREPARE phase). A Modification is also used to roll back changes, e.g. since we know the previous value, we can reconstruct the previous state by applying the changes in a modification listin reverse order.
- Version:
- $Revision: 1.4.4.6 $ todo: implement Externalizable
- Author:
- Bela Ban Apr 12, 2003
- See Also:
- Serialized Form
| Field Summary | |
static int |
PUT_DATA
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static int |
PUT_DATA_ERASE
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static int |
PUT_KEY_VALUE
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static int |
REMOVE_DATA
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static int |
REMOVE_KEY_VALUE
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static int |
REMOVE_NODE
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| Constructor Summary | |
Modification()
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Modification(int type,
Fqn fqn)
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Modification(int type,
Fqn fqn,
Map data)
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Modification(int type,
Fqn fqn,
Object key)
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Modification(int type,
Fqn fqn,
Object key,
Object value)
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Modification(int type,
Fqn fqn,
Object key,
Object value,
Object old_value,
Map data,
Map old_data)
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| Method Summary | |
Map |
getData()
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Fqn |
getFqn()
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Object |
getKey()
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Map |
getOldData()
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Object |
getOldValue()
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int |
getType()
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Object |
getValue()
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void |
setData(Map data)
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void |
setFqn(Fqn fqn)
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void |
setKey(Object key)
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void |
setOldData(Map old_data)
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void |
setOldValue(Object old_value)
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void |
setType(int type)
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void |
setValue(Object value)
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String |
toString()
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| Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
| Field Detail |
PUT_KEY_VALUE
public static final int PUT_KEY_VALUE
- See Also:
- Constant Field Values
PUT_DATA
public static final int PUT_DATA
- See Also:
- Constant Field Values
PUT_DATA_ERASE
public static final int PUT_DATA_ERASE
- See Also:
- Constant Field Values
REMOVE_NODE
public static final int REMOVE_NODE
- See Also:
- Constant Field Values
REMOVE_KEY_VALUE
public static final int REMOVE_KEY_VALUE
- See Also:
- Constant Field Values
REMOVE_DATA
public static final int REMOVE_DATA
- See Also:
- Constant Field Values
| Constructor Detail |
Modification
public Modification()
Modification
public Modification(int type,
Fqn fqn,
Object key,
Object value,
Object old_value,
Map data,
Map old_data)
Modification
public Modification(int type,
Fqn fqn,
Object key,
Object value)
Modification
public Modification(int type,
Fqn fqn,
Object key)
Modification
public Modification(int type,
Fqn fqn,
Map data)
Modification
public Modification(int type,
Fqn fqn)
| Method Detail |
getType
public int getType()
setType
public void setType(int type)
getFqn
public Fqn getFqn()
setFqn
public void setFqn(Fqn fqn)
getKey
public Object getKey()
setKey
public void setKey(Object key)
getValue
public Object getValue()
setValue
public void setValue(Object value)
getOldValue
public Object getOldValue()
setOldValue
public void setOldValue(Object old_value)
getData
public Map getData()
setData
public void setData(Map data)
getOldData
public Map getOldData()
setOldData
public void setOldData(Map old_data)
toString
public String toString()
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