org.apache.directory.server.xdbm.search.impl

Class NoOpOptimizer

java.lang.Object

org.apache.directory.server.xdbm.search.impl.NoOpOptimizer

All Implemented Interfaces:

Optimizer

public class NoOpOptimizer
extends java.lang.Object
implements Optimizer

A do nothing optimizer which labels all nodes with BigInteger.valueOf( Integer.MAX_VALUE ) , instead of actually taking scan counts.

Field Summary

Fields

Modifier and Type	Field and Description
private static java.lang.Long	MAX the maximum size for a count Integer.MAX_VALUE as a BigInteger

Constructor Summary

Constructors

Constructor and Description
NoOpOptimizer()

Method Summary

Modifier and Type	Method and Description
java.lang.Long	annotate(org.apache.directory.api.ldap.model.filter.ExprNode node) Annotates the expression node tree for optimized traversal metrics.

Methods inherited from class java.lang.Object

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

Field Detail

MAX

private static final java.lang.Long MAX

the maximum size for a count Integer.MAX_VALUE as a BigInteger

Constructor Detail

NoOpOptimizer

public NoOpOptimizer()

Method Detail

annotate

public java.lang.Long annotate(org.apache.directory.api.ldap.model.filter.ExprNode node)
                        throws javax.naming.NamingException

Description copied from interface: Optimizer

Annotates the expression node tree for optimized traversal metrics.

Specified by:

annotate in interface Optimizer

Parameters:

node - the root of the expression node tree

Throws:

javax.naming.NamingException