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Java Source Code / Java Documentation » Database ORM » db ojb » org.apache.ojb.jdo

Source Cross Reference Class Diagram Java Document (Java Doc)

java.lang .Object

org.apache.ojb.jdo .QueryImpl

QueryImpl

public class QueryImpl implements Query(Code)

Not Really Functional Yet:

Consider making this a front end for a State system where the compiled query is a different State The big list of args should/could be collected into something that knows how to compile and and apply the arguments passed at execute time.

Consider also, if do above, clone returns compiled query. Compiled probably needs to be able to uncompile itself if this the case, so continuing to return uncompiled may be best
author:
   Matthew Baird
author:
   Brian McCallister
author:
   Thomas Dudziak

Constructor Summary
public	QueryImpl(PersistenceManagerImpl pm) Creates a new query that uses the given persistence manager.

Method Summary
public void	close(Object o)
public void	closeAll()
public void	compile() Compiles the query.
public void	declareImports(String imports) Specifies the classes/packages imported by this query for use in the filter and ordering expressions.
public void	declareParameters(String params) Sets the parameters of this query.
public void	declareVariables(String variables) Declares the variables used in the filter expression of this query.
public Object	execute() Performs this query.
public Object	execute(Object o)
public Object	execute(Object o, Object o1)
public Object	execute(Object o, Object o1, Object o2)
public Object	executeWithArray(Object[] objects)
public Object	executeWithMap(Map map)
public Expression	getFilterExpression() Returns the filter expression.
public boolean	getIgnoreCache() Determines whether this query ignores objects in the cache.
public Collection	getImports() Returns the imports of this query.
public Collection	getOrderings() Returns the orderings of this query.
public LocalVariable	getParameter(String name) Returns the parameter of the given name if it exists.
public Map	getParameters() Returns the parameters of this query.
public PersistenceManager	getPersistenceManager() Returns the persistence manager that this query uses.
public Class	getSearchedClass() Returns the class of the searched objects.
public LocalVariable	getVariable(String name) Returns the variable of the given name if it exists.
public Map	getVariables() Returns the variables of this query.
QueryImpl	ojbClone() Creates an uncompiled deep clone of this query.
public void	setCandidates(Extent extent)
public void	setCandidates(Collection candidates)
public void	setClass(Class searchedClass) Sets the class whose objects this query searches for.
public void	setFilter(String filter) Sets the filter of this query.
public void	setIgnoreCache(boolean shouldIgnoreCache) Specifies whether the query should ignore any objects in the cache.
public void	setOrdering(String orderings) Defines the ordering of this query.

Constructor Detail

QueryImpl
public QueryImpl(PersistenceManagerImpl pm)(Code)
	Creates a new query that uses the given persistence manager. Parameters: pm - The persistence manager to use

Method Detail

close
public void close(Object o)(Code)
	Parameters: o - is a Collection returned from execute()

closeAll
public void closeAll()(Code)

compile
public void compile()(Code)
	Compiles the query. In effect this resolves the various expressions and declarations against each other, checks that they are valid, and enhances the filter and ordering expressions with executable ojb queries.

declareImports
public void declareImports(String imports) throws JDOUserException(Code)
	Specifies the classes/packages imported by this query for use in the filter and ordering expressions. Parameters: imports - The import declarations

declareParameters
public void declareParameters(String params) throws JDOUserException(Code)
	Sets the parameters of this query. Parameters: params - The parameter declarations

declareVariables
public void declareVariables(String variables) throws JDOUserException(Code)
	Declares the variables used in the filter expression of this query. Parameters: variables - The variable declarations

execute
public Object execute()(Code)
	Performs this query. The query result

execute
public Object execute(Object o)(Code)

execute
public Object execute(Object o, Object o1)(Code)

execute
public Object execute(Object o, Object o1, Object o2)(Code)

executeWithArray
public Object executeWithArray(Object[] objects)(Code)

executeWithMap
public Object executeWithMap(Map map)(Code)

getFilterExpression
public Expression getFilterExpression()(Code)
	Returns the filter expression. The filter expression

getIgnoreCache
public boolean getIgnoreCache()(Code)
	Determines whether this query ignores objects in the cache. `true` if this query ignores cached objects

getImports
public Collection getImports()(Code)
	Returns the imports of this query. The imports, a collection of org.apache.ojb.jdo.jdoql.Import objects

getOrderings
public Collection getOrderings()(Code)
	Returns the orderings of this query. The orderings, a collection of org.apache.ojb.jdo.jdoql.Ordering objects

getParameter
public LocalVariable getParameter(String name)(Code)
	Returns the parameter of the given name if it exists. Parameters: name - The parameter name The parameter

getParameters
public Map getParameters()(Code)
	Returns the parameters of this query. The parameters, a map of org.apache.ojb.jdo.jdoql.LocalVariable objectsindexed by their names

getPersistenceManager
public PersistenceManager getPersistenceManager()(Code)
	Returns the persistence manager that this query uses. The persistence manager

getSearchedClass
public Class getSearchedClass()(Code)
	Returns the class of the searched objects. The class of the searched objects

getVariable
public LocalVariable getVariable(String name)(Code)
	Returns the variable of the given name if it exists. Parameters: name - The variable name The variable

getVariables
public Map getVariables()(Code)
	Returns the variables of this query. The variables, a map of org.apache.ojb.jdo.jdoql.LocalVariable objectsindexed by their names

ojbClone
QueryImpl ojbClone()(Code)
	Creates an uncompiled deep clone of this query. The clone

setCandidates
public void setCandidates(Extent extent)(Code)
	Simply ovewrites the setClass(..) value

setCandidates
public void setCandidates(Collection candidates)(Code)

setClass
public void setClass(Class searchedClass)(Code)
	Sets the class whose objects this query searches for. Parameters: searchedClass - The class of the searched objects

setFilter
public void setFilter(String filter) throws JDOUserException(Code)
	Sets the filter of this query. Parameters: filter - The filter expression

setIgnoreCache
public void setIgnoreCache(boolean shouldIgnoreCache)(Code)
	Specifies whether the query should ignore any objects in the cache. Parameters: shouldIgnoreCache - Whether to ignore the cache

setOrdering
public void setOrdering(String orderings) throws JDOUserException(Code)
	Defines the ordering of this query. Parameters: orderings - The ordering specifications

Methods inherited from java.lang.Object

native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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