org.apache.manifoldcf.core.database
Class QueryDescription

java.lang.Object
  org.apache.manifoldcf.core.cachemanager.BaseDescription
      org.apache.manifoldcf.core.database.QueryDescription

All Implemented Interfaces:

ICacheDescription

public class QueryDescription
extends BaseDescription

This object is immutable, and is used as a description for a cached query.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.manifoldcf.core.cachemanager.BaseDescription

BaseDescription.LocalCacheClass

Field Summary

static java.lang.String	_rcsid
protected java.lang.String	cacheClassName
protected java.lang.String	criticalSectionName
protected java.lang.String	databaseName
protected StringSet	keys
protected int	maxReturn
protected java.util.ArrayList	parameters
protected java.lang.String	query
protected ILimitChecker	returnLimit
protected ResultSpecification	spec

Fields inherited from class org.apache.manifoldcf.core.cachemanager.BaseDescription

cacheClass, max_value

Constructor Summary

QueryDescription(java.lang.String databaseName, java.lang.String query, java.util.ArrayList parameters, java.lang.String cacheClassName, StringSet cacheKeys, int maxReturn, ResultSpecification spec, ILimitChecker returnLimit)

Method Summary

boolean	equals(java.lang.Object o)
java.lang.String	getCriticalSectionName() Get the critical section name for this description object.
int	getMaxReturn()
StringSet	getObjectKeys() Get the cache keys for an object (which may or may not exist yet in the cache).
java.util.ArrayList	getParameters()
java.lang.String	getQuery()
ResultSpecification	getResultSpecification()
ILimitChecker	getReturnLimit()
int	hashCode()

Methods inherited from class org.apache.manifoldcf.core.cachemanager.BaseDescription

getObjectClass, getObjectExpirationTime

Methods inherited from class java.lang.Object

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

Field Detail

_rcsid

public static final java.lang.String _rcsid

See Also:

Constant Field Values

databaseName

protected java.lang.String databaseName

query

protected java.lang.String query

parameters

protected java.util.ArrayList parameters

criticalSectionName

protected java.lang.String criticalSectionName

cacheClassName

protected java.lang.String cacheClassName

keys

protected StringSet keys

maxReturn

protected int maxReturn

spec

protected ResultSpecification spec

returnLimit

protected ILimitChecker returnLimit

Constructor Detail

QueryDescription

public QueryDescription(java.lang.String databaseName,
                        java.lang.String query,
                        java.util.ArrayList parameters,
                        java.lang.String cacheClassName,
                        StringSet cacheKeys,
                        int maxReturn,
                        ResultSpecification spec,
                        ILimitChecker returnLimit)

Method Detail

getQuery

public java.lang.String getQuery()

getParameters

public java.util.ArrayList getParameters()

getMaxReturn

public int getMaxReturn()

getResultSpecification

public ResultSpecification getResultSpecification()

getReturnLimit

public ILimitChecker getReturnLimit()

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

equals

public boolean equals(java.lang.Object o)

Overrides:

equals in class java.lang.Object

getObjectKeys

public StringSet getObjectKeys()

Get the cache keys for an object (which may or may not exist yet in the cache). This method is called in order for cache manager to throw the correct locks.

Returns:

the object's cache keys, or null if the object should not be cached.

getCriticalSectionName

public java.lang.String getCriticalSectionName()

Description copied from interface: ICacheDescription

Get the critical section name for this description object. This is used to synchronize creation of the described object, and thus is used only for objects that will be cached. This method does not need to return decent results for objects that are never cached.

Returns:

the critical section name.