org.grails.datastore.gorm.finders

Class DynamicFinder

java.lang.Object

org.grails.datastore.gorm.finders.AbstractFinder

org.grails.datastore.gorm.finders.DynamicFinder

All Implemented Interfaces:

FinderMethod, QueryBuildingFinder

Direct Known Subclasses:

AbstractFindByFinder, CountByFinder, FindAllByFinder

public abstract class DynamicFinder
extends AbstractFinder
implements QueryBuildingFinder

Abstract base class for dynamic finders.

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	ARGUMENT_CACHE
static java.lang.String	ARGUMENT_FETCH
static java.lang.String	ARGUMENT_IGNORE_CASE
static java.lang.String	ARGUMENT_LOCK
static java.lang.String	ARGUMENT_MAX
static java.lang.String	ARGUMENT_OFFSET
static java.lang.String	ARGUMENT_ORDER
static java.lang.String	ARGUMENT_SORT
static java.lang.String	ORDER_ASC
static java.lang.String	ORDER_DESC
protected java.util.regex.Pattern	pattern

Fields inherited from class org.grails.datastore.gorm.finders.AbstractFinder

datastore

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	DynamicFinder(java.util.regex.Pattern pattern, java.lang.String[] operators, org.grails.datastore.mapping.core.Datastore datastore)

Method Summary

Methods

Modifier and Type	Method and Description
static void	applyDetachedCriteria(org.grails.datastore.mapping.query.Query q, grails.gorm.DetachedCriteria detachedCriteria)
protected void	configureQueryWithArguments(java.lang.Class clazz, org.grails.datastore.mapping.query.Query query, java.lang.Object[] arguments)
DynamicFinderInvocation	createFinderInvocation(java.lang.Class clazz, java.lang.String methodName, groovy.lang.Closure additionalCriteria, java.lang.Object[] arguments)
protected abstract java.lang.Object	doInvokeInternal(DynamicFinderInvocation invocation)
protected MethodExpression	findMethodExpression(java.lang.Class clazz, java.lang.String expression)
static javax.persistence.FetchType	getFetchMode(java.lang.Object object) Retrieves the fetch mode for the specified instance; otherwise returns the default FetchMode.
java.lang.Object	invoke(java.lang.Class clazz, java.lang.String methodName, groovy.lang.Closure additionalCriteria, java.lang.Object[] arguments) Invokes the method
java.lang.Object	invoke(java.lang.Class clazz, java.lang.String methodName, grails.gorm.DetachedCriteria detachedCriteria, java.lang.Object[] arguments)
java.lang.Object	invoke(java.lang.Class clazz, java.lang.String methodName, java.lang.Object[] arguments) Invokes the method
boolean	isMethodMatch(java.lang.String methodName) Whether the given method name matches this finder
static void	populateArgumentsForCriteria(java.lang.Class<?> targetClass, org.grails.datastore.mapping.query.Query q, java.util.Map argMap)
static void	registerNewMethodExpression(java.lang.Class methodExpression) Registers a new method expression.
void	setPattern(java.lang.String pattern)

Methods inherited from class org.grails.datastore.gorm.finders.AbstractFinder

applyAdditionalCriteria, execute, execute

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.grails.datastore.gorm.finders.QueryBuildingFinder

buildQuery

Field Detail

ARGUMENT_MAX

public static final java.lang.String ARGUMENT_MAX

See Also:

Constant Field Values

ARGUMENT_OFFSET

public static final java.lang.String ARGUMENT_OFFSET

See Also:

Constant Field Values

ARGUMENT_ORDER

public static final java.lang.String ARGUMENT_ORDER

See Also:

Constant Field Values

ARGUMENT_SORT

public static final java.lang.String ARGUMENT_SORT

See Also:

Constant Field Values

ORDER_DESC

public static final java.lang.String ORDER_DESC

See Also:

Constant Field Values

ORDER_ASC

public static final java.lang.String ORDER_ASC

See Also:

Constant Field Values

ARGUMENT_FETCH

public static final java.lang.String ARGUMENT_FETCH

See Also:

Constant Field Values

ARGUMENT_IGNORE_CASE

public static final java.lang.String ARGUMENT_IGNORE_CASE

See Also:

Constant Field Values

ARGUMENT_CACHE

public static final java.lang.String ARGUMENT_CACHE

See Also:

Constant Field Values

ARGUMENT_LOCK

public static final java.lang.String ARGUMENT_LOCK

See Also:

Constant Field Values

pattern

protected java.util.regex.Pattern pattern

Constructor Detail

DynamicFinder

protected DynamicFinder(java.util.regex.Pattern pattern,
             java.lang.String[] operators,
             org.grails.datastore.mapping.core.Datastore datastore)

Method Detail

registerNewMethodExpression

public static void registerNewMethodExpression(java.lang.Class methodExpression)

Registers a new method expression. The Class must extends from the class MethodExpression and provide a constructor that accepts a Class parameter and a String parameter.

Parameters:

methodExpression - A class that extends from MethodExpression

setPattern

public void setPattern(java.lang.String pattern)

Specified by:

setPattern in interface FinderMethod

Parameters:

pattern - A regular expression

isMethodMatch

public boolean isMethodMatch(java.lang.String methodName)

Description copied from interface: FinderMethod

Whether the given method name matches this finder

Specified by:

isMethodMatch in interface FinderMethod

Parameters:

methodName - The method name

Returns:

true if it does

invoke

public java.lang.Object invoke(java.lang.Class clazz,
                      java.lang.String methodName,
                      groovy.lang.Closure additionalCriteria,
                      java.lang.Object[] arguments)

Description copied from interface: FinderMethod

Invokes the method

Specified by:

invoke in interface FinderMethod

Parameters:

clazz - The class

methodName - The method name

additionalCriteria - additional criteria closure

arguments - The arguments

Returns:

The return value

invoke

public java.lang.Object invoke(java.lang.Class clazz,
                      java.lang.String methodName,
                      grails.gorm.DetachedCriteria detachedCriteria,
                      java.lang.Object[] arguments)

createFinderInvocation

public DynamicFinderInvocation createFinderInvocation(java.lang.Class clazz,
                                             java.lang.String methodName,
                                             groovy.lang.Closure additionalCriteria,
                                             java.lang.Object[] arguments)

findMethodExpression

protected MethodExpression findMethodExpression(java.lang.Class clazz,
                                    java.lang.String expression)

doInvokeInternal

protected abstract java.lang.Object doInvokeInternal(DynamicFinderInvocation invocation)

invoke

public java.lang.Object invoke(java.lang.Class clazz,
                      java.lang.String methodName,
                      java.lang.Object[] arguments)

Description copied from interface: FinderMethod

Invokes the method

Specified by:

invoke in interface FinderMethod

Parameters:

clazz - The class

methodName - The method name

arguments - The arguments

Returns:

The return value

populateArgumentsForCriteria

public static void populateArgumentsForCriteria(java.lang.Class<?> targetClass,
                                org.grails.datastore.mapping.query.Query q,
                                java.util.Map argMap)

getFetchMode

public static javax.persistence.FetchType getFetchMode(java.lang.Object object)

Retrieves the fetch mode for the specified instance; otherwise returns the default FetchMode.

Parameters:

object - The object, converted to a string

Returns:

The FetchMode

configureQueryWithArguments

protected void configureQueryWithArguments(java.lang.Class clazz,
                               org.grails.datastore.mapping.query.Query query,
                               java.lang.Object[] arguments)

applyDetachedCriteria

public static void applyDetachedCriteria(org.grails.datastore.mapping.query.Query q,
                         grails.gorm.DetachedCriteria detachedCriteria)