Top Description Fields Constructors Methods
org.apache.derby.impl.store.raw.data

pack-priv abstract Class ContainerActionOnCommit

extends Object
implements DerbyObserver
Class Inheritance
All Implemented Interfaces
org.apache.derby.iapi.services.monitor.DerbyObserver
Known Direct Subclasses
org.apache.derby.impl.store.raw.data.ContainerHandleActionOnCommit, org.apache.derby.impl.store.raw.data.DropOnCommit
Imports
org.apache.derby.iapi.services.monitor.DerbyObserver, org.apache.derby.iapi.store.raw.ContainerKey
An Observer that can be attached to a transaction to implement some action when the transaction commits or rollsback in some way.

Field Summary

Modifier and TypeField and Description
protected ContainerKey
identity

Constructor Summary

AccessConstructor and Description
protected
ContainerActionOnCommit(ContainerKey identity)

Method Summary

Modifier and TypeMethod and Description
public boolean
equals(Object
the reference object with which to compare.
other)

Overrides java.lang.Object.equals.

An equals method that returns true if the other obejct is a sub-class of this, and the container identities are equal *and* it is the same class as this.

public int
hashCode()

Overrides java.lang.Object.hashCode.

Returns a hash code value for this object.

Inherited from java.lang.Object:
clonefinalizegetClassnotifynotifyAlltoStringwaitwaitwait

Field Detail

identityback to summary
protected ContainerKey identity

Constructor Detail

ContainerActionOnCommitback to summary
protected ContainerActionOnCommit(ContainerKey identity)

Method Detail

equalsback to summary
public boolean equals(Object other)

Overrides java.lang.Object.equals.

An equals method that returns true if the other obejct is a sub-class of this, and the container identities are equal *and* it is the same class as this.
This allows mutiple additions of value equality obejcts to the observer list while only retaining one.

Parameters
other:Object

Doc from java.lang.Object.equals.

the reference object with which to compare.

Returns:boolean

Doc from java.lang.Object.equals.

true if this object is the same as the obj argument; false otherwise.

hashCodeback to summary
public int hashCode()

Overrides java.lang.Object.hashCode.

Doc from java.lang.Object.hashCode.

Returns a hash code value for this object. This method is supported for the benefit of hash tables such as those provided by java.util.HashMap.

The general contract of hashCode is:

  • Whenever it is invoked on the same object more than once during an execution of a Java application, the hashCode method must consistently return the same integer, provided no information used in equals comparisons on the object is modified. This integer need not remain consistent from one execution of an application to another execution of the same application.
  • If two objects are equal according to the equals method, then calling the hashCode method on each of the two objects must produce the same integer result.
  • It is not required that if two objects are unequal according to the equals method, then calling the hashCode method on each of the two objects must produce distinct integer results. However, the programmer should be aware that producing distinct integer results for unequal objects may improve the performance of hash tables.
Returns:int

a hash code value for this object