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com.k_int.IR
Class DefaultSearchable  

java.lang.Object
  com.k_int.IR.DefaultSearchable

All Implemented Interfaces:

Searchable

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public abstract class DefaultSearchable

extends java.lang.Object

implements Searchable

DefaultSearchable : A default implementation of the searchable interface that contains reusable code for the event notification framework, leaving the developer just to override the evaluate query and other abstract functons.

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Field Summary
protected  java.util.Properties	properties

 

Fields inherited from interface com.k_int.IR.Searchable

GROUP_COORDINATOR, SPECIFIC_SOURCE

 

Constructor Summary

DefaultSearchable()

 

Method Summary
void	destroy()           destroy the searchable object.
protected  void	finalize()           Called on an object by the Virtual Machine at most once, at some point after the Object is determined unreachable but before it is destroyed.
abstract  int	getManagerType()           Developers must override this function, to indicate the type of Searchable object.
java.lang.String	getProperty(java.lang.String propname)
void	init(java.util.Properties p)           Init and Set any properties needed for an instance of Searchable.

 

Methods inherited from class java.lang.Object

clone, equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

 

Methods inherited from interface com.k_int.IR.Searchable

createTask, createTask

 

Field Detail

properties

protected java.util.Properties properties

Constructor Detail

DefaultSearchable

public DefaultSearchable()

Method Detail

init

public void init(java.util.Properties p)

Description copied from interface: Searchable

Init and Set any properties needed for an instance of Searchable. Often different realisations will require different parameters to be avaialable, for example ServerHost and ServerPort or JDBCPoolName. Create a new naming context for this object.

Specified by:

init in interface Searchable

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getProperty

public java.lang.String getProperty(java.lang.String propname)

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destroy

public void destroy()

Description copied from interface: Searchable

destroy the searchable object. Shut down the searchable object entirely. Release all held resources, make the object ready for GC. Try to release in here instead of on finalize.

Specified by:

destroy in interface Searchable

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finalize

protected void finalize()

Description copied from class: java.lang.Object

Called on an object by the Virtual Machine at most once, at some point after the Object is determined unreachable but before it is destroyed. You would think that this means it eventually is called on every Object, but this is not necessarily the case. If execution terminates abnormally, garbage collection does not always happen. Thus you cannot rely on this method to always work. For finer control over garbage collection, use references from the java.lang.ref package.

Virtual Machines are free to not call this method if they can determine that it does nothing important; for example, if your class extends Object and overrides finalize to do simply super.finalize().

finalize() will be called by a java.lang.Thread that has no locks on any Objects, and may be called concurrently. There are no guarantees on the order in which multiple objects are finalized. This means that finalize() is usually unsuited for performing actions that must be thread-safe, and that your implementation must be use defensive programming if it is to always work.

If an Exception is thrown from finalize() during garbage collection, it will be patently ignored and the Object will still be destroyed.

It is allowed, although not typical, for user code to call finalize() directly. User invocation does not affect whether automatic invocation will occur. It is also permitted, although not recommended, for a finalize() method to "revive" an object by making it reachable from normal code again.

Unlike constructors, finalize() does not get called for an object's superclass unless the implementation specifically calls super.finalize().

The default implementation does nothing.

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getManagerType

public abstract int getManagerType()

Developers must override this function, to indicate the type of Searchable object.

Specified by:

getManagerType in interface Searchable

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