JDOTypesafeQuery (DataNucleus JDO API plugin 4.1.0-m3 API)

java.lang.Object
- org.datanucleus.api.jdo.query.AbstractTypesafeQuery<T>
- - org.datanucleus.api.jdo.query.JDOTypesafeQuery<T>

All Implemented Interfaces:: TypesafeQuery<T>

public class JDOTypesafeQuery<T>
extends AbstractTypesafeQuery<T>
implements TypesafeQuery<T>

Implementation of a typesafe Query for JDO.

Field Summary

Fields
Modifier and Type	Field and Description
`protected Collection<T>`	`candidates`
`protected Map<String,Object>`	`extensions` Any extensions
`protected Set<org.datanucleus.store.query.Query>`	`internalQueries` Internal queries generated by this typesafe query.
`protected Map<String,ExpressionImpl>`	`parameterExprByName` Map of parameter expression keyed by the name.
`protected Map<String,Object>`	`parameterValuesByName` Map of parameters keyed by their name/expression.
`protected ExpressionImpl`	`rangeLowerExpr` Range : lower limit expression.
`protected ExpressionImpl`	`rangeUpperExpr` Range : upper limit expression.
`protected Set<JDOTypesafeSubquery>`	`subqueries` Set of any subqueries used by this query.

Fields inherited from class org.datanucleus.api.jdo.query.AbstractTypesafeQuery
candidateAlias, candidateCls, ec, filter, grouping, having, ordering, pm, result, resultDistinct, type, updateExprs, updateVals

Fields inherited from interface org.datanucleus.query.typesafe.TypesafeQuery
QUERY_CLASS_PREFIX

Constructor Summary

Constructors
Constructor and Description

JDOTypesafeQuery(javax.jdo.PersistenceManager pm, Class<T> candidateClass)
Constructor for a typesafe query.

Constructors
Constructor and Description
`JDOTypesafeQuery(javax.jdo.PersistenceManager pm, Class<T> candidateClass)` Constructor for a typesafe query.

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`TypesafeQuery`	`addExtension(String key, Object value)` Add a vendor-specific extension to this query.
`PersistableExpression`	`candidate()` Method to return an expression for the candidate of the query.
`CharacterExpression`	`characterParameter(String name)` Method to return a character parameter for the query.
`void`	`close(Object result)` Method to close the specified query result.
`void`	`closeAll()` Method to close all query results from this query.
`CollectionExpression`	`collectionParameter(String name)` Method to return a collection parameter for the query.
`org.datanucleus.query.compiler.QueryCompilation`	`compile(org.datanucleus.metadata.MetaDataManager mmgr, org.datanucleus.ClassLoaderResolver clr)` Method to compile the typesafe query.
`DateExpression`	`dateParameter(String name)` Method to return a date parameter for the query.
`DateTimeExpression`	`datetimeParameter(String name)` Method to return a datetime parameter for the query.
`long`	`delete()` Extension method to provide bulk delete capabilities (not part of JDO).
`long`	`deletePersistentAll()` Method to execute the query deleting the affected instances.
`protected void`	`discardCompiled()` Called when something is set on the query making any compilation invalid.
`NumericExpression<Double>`	`doubleParameter(String name)` Method to return a numeric parameter for the query.
`TypesafeQuery<T>`	`excludeSubclasses()` Method to remove subclasses (of the candidate) from the query
`protected Object`	`executeInternalQuery(org.datanucleus.store.query.Query internalQuery)`
`<T> List<T>`	`executeList()` Method to execute the query where there are (potentially) multiple rows and we are returning the candidate type.
`List<Object[]>`	`executeResultList(boolean distinct, Expression... exprs)` Method to execute the query where there are (potentially) multiple rows and we have a result defined but no result class.
`List<Object>`	`executeResultList(boolean distinct, Expression expr)` Method to execute the query where there are (potentially) multiple rows and we have a single result defined but no result class.
`<R> List<R>`	`executeResultList(Class<R> resultCls, boolean distinct, Expression... exprs)` Method to execute the query where there are (potentially) multiple rows and we are returning either a result type or the candidate type.
`Object[]`	`executeResultUnique(boolean distinct, Expression... exprs)` Method to execute the query where there is a single row and we have a result defined but no result class.
`Object`	`executeResultUnique(boolean distinct, Expression expr)` Method to execute the query where there is a single row and we have a single result defined but no result class.
`<R> R`	`executeResultUnique(Class<R> resultCls, boolean distinct, Expression... exprs)` Method to execute the query where there is a single row and we are returning either a result type or the candidate type.
`<T> T`	`executeUnique()` Method to execute the query where there is a single row and we are returning the candidate type.
`TypesafeQuery<T>`	`filter(BooleanExpression expr)` Method to set the filter of the query.
`NumericExpression<Float>`	`floatParameter(String name)` Method to return a numeric parameter for the query.
`javax.jdo.FetchPlan`	`getFetchPlan()` Accessor for the FetchPlan for this query
`protected org.datanucleus.store.query.Query`	`getInternalQuery()` Convenience method to generate an internal DataNucleus Query and apply the generic compilation to it.
`javax.jdo.PersistenceManager`	`getPersistenceManager()` Accessor for the PersistenceManager for this query
`static String`	`getQueryClassNameForClassName(String name)` Method to return the (simple) name of the query class for a specified class name.
`TypesafeQuery<T>`	`groupBy(Expression... exprs)` Method to set the grouping(s) for the query.
`TypesafeQuery<T>`	`having(Expression expr)` Method to set the having clause of the query.
`TypesafeQuery<T>`	`includeSubclasses()` Method to include subclasses (of the candidate) to the query
`NumericExpression<Integer>`	`integerParameter(String name)` Method to return a numeric parameter for the query.
`ListExpression`	`listParameter(String name)` Method to return a list parameter for the query.
`NumericExpression<Long>`	`longParameter(String name)` Method to return a numeric parameter for the query.
`MapExpression`	`mapParameter(String name)` Method to return a map parameter for the query.
`TypesafeQuery<T>`	`orderBy(OrderExpression... exprs)` Method to set the ordering of the query.
`Expression`	`parameter(String name, Class type)` Method to return a parameter for the query.
`TypesafeQuery<T>`	`range(Expression paramLowerInclExpr, Expression paramUpperExclExpr)` Method to set the range of any required results, using parameters (expressions).
`TypesafeQuery<T>`	`range(long lowerIncl, long upperExcl)` Method to set the range of any required results, using long values.
`TypesafeQuery<T>`	`range(NumericExpression lowerInclExpr, NumericExpression upperExclExpr)` Method to set the range of any required results, using expressions.
`TypesafeQuery<T>`	`set(Expression expr, Object val)` Method to specify the update of a field of the candidate.
`TypesafeQuery<T>`	`setCandidates(Collection<T> candidates)` Method to set the candidates to use over which we are querying.
`TypesafeQuery`	`setExtensions(Map<String,Object> extensions)` Set multiple extensions, or use null to clear all extensions.
`TypesafeQuery`	`setIgnoreCache(boolean ignore)` Whether the query should ignore the cache and go straight to the datastore.
`TypesafeQuery<T>`	`setParameter(Expression paramExpr, Object value)` Method to set a parameter value for use when executing the query.
`TypesafeQuery<T>`	`setParameter(String paramName, Object value)` Method to set a parameter value for use when executing the query.
`NumericExpression<Short>`	`shortParameter(String name)` Method to return a numeric parameter for the query.
`StringExpression`	`stringParameter(String name)` Method to return a string parameter for the query.
`<S> TypesafeSubquery<S>`	`subquery(Class<S> candidateClass, String candidateAlias)` Method to return a subquery for use in this query.
`TypesafeSubquery<T>`	`subquery(String candidateAlias)` Method to return a subquery for use in this query using the same candidate class as this query.
`TimeExpression`	`timeParameter(String name)` Method to return a time parameter for the query.
`String`	`toString()` Method to return the single-string form of this JDOQL query.
`long`	`update()` Extension method to provide bulk update capabilities (not part of JDO).
`Expression`	`variable(String name, Class type)` Method to return a variable for this query.

Methods inherited from class org.datanucleus.api.jdo.query.AbstractTypesafeQuery
getCompilation

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

- Field Detail
  - candidates
```
protected Collection<T> candidates
```
  - rangeLowerExpr
```
protected ExpressionImpl rangeLowerExpr
```
    Range : lower limit expression.
  - rangeUpperExpr
```
protected ExpressionImpl rangeUpperExpr
```
    Range : upper limit expression.
  - extensions
```
protected Map<String,Object> extensions
```
    Any extensions
  - parameterExprByName
```
protected Map<String,ExpressionImpl> parameterExprByName
```
    Map of parameter expression keyed by the name.
  - parameterValuesByName
```
protected Map<String,Object> parameterValuesByName
```
    Map of parameters keyed by their name/expression.
  - subqueries
```
protected transient Set<JDOTypesafeSubquery> subqueries
```
    Set of any subqueries used by this query.
  - internalQueries
```
protected transient Set<org.datanucleus.store.query.Query> internalQueries
```
    Internal queries generated by this typesafe query. Managed so that they can be closed.
- Constructor Detail
  - JDOTypesafeQuery
```
public JDOTypesafeQuery(javax.jdo.PersistenceManager pm,
                        Class<T> candidateClass)
```
    Constructor for a typesafe query.
    
    Parameters:
    
    pm - Persistence Manager
    
    candidateClass - The candidate class
- Method Detail
  - candidate
```
public PersistableExpression candidate()
```
    Description copied from interface: TypesafeQuery
    
    Method to return an expression for the candidate of the query. Cast the returned expression to the candidate "Q" type to be able to call methods on it. This calls the method "Q{type}.candidate(null)" The preference is to use the "Q{type}.candidate()" method for real type-safe handling.
    
    Specified by:
    
    candidate in interface TypesafeQuery<T>
    
    Returns:
    
    Expression for the candidate
  - parameter
```
public Expression parameter(String name,
                            Class type)
```
    Description copied from interface: TypesafeQuery
    
    Method to return a parameter for the query. Cast the returned parameter to the right type to be able to call methods on it. The preference is to use the "xxxParameter(String)" methods for real type-safe handling.
    
    Specified by:
    
    parameter in interface TypesafeQuery<T>
    
    Parameters:
    
    name - Name of the parameter
    
    type - Java type of the parameter
    
    Returns:
    
    Expression for the parameter
  - stringParameter
```
public StringExpression stringParameter(String name)
```
    Description copied from interface: TypesafeQuery
    
    Method to return a string parameter for the query.
    
    Specified by:
    
    stringParameter in interface TypesafeQuery<T>
    
    Parameters:
    
    name - Name of the parameter
    
    Returns:
    
    StringExpression for the parameter
  - characterParameter
```
public CharacterExpression characterParameter(String name)
```
    Description copied from interface: TypesafeQuery
    
    Method to return a character parameter for the query.
    
    Specified by:
    
    characterParameter in interface TypesafeQuery<T>
    
    Parameters:
    
    name - Name of the parameter
    
    Returns:
    
    Expression for the parameter
  - longParameter
```
public NumericExpression<Long> longParameter(String name)
```
    Description copied from interface: TypesafeQuery
    
    Method to return a numeric parameter for the query.
    
    Specified by:
    
    longParameter in interface TypesafeQuery<T>
    
    Parameters:
    
    name - Name of the parameter
    
    Returns:
    
    NumericExpression for the parameter
  - integerParameter
```
public NumericExpression<Integer> integerParameter(String name)
```
    Description copied from interface: TypesafeQuery
    
    Method to return a numeric parameter for the query.
    
    Specified by:
    
    integerParameter in interface TypesafeQuery<T>
    
    Parameters:
    
    name - Name of the parameter
    
    Returns:
    
    NumericExpression for the parameter
  - shortParameter
```
public NumericExpression<Short> shortParameter(String name)
```
    Description copied from interface: TypesafeQuery
    
    Method to return a numeric parameter for the query.
    
    Specified by:
    
    shortParameter in interface TypesafeQuery<T>
    
    Parameters:
    
    name - Name of the parameter
    
    Returns:
    
    NumericExpression for the parameter
  - doubleParameter
```
public NumericExpression<Double> doubleParameter(String name)
```
    Description copied from interface: TypesafeQuery
    
    Method to return a numeric parameter for the query.
    
    Specified by:
    
    doubleParameter in interface TypesafeQuery<T>
    
    Parameters:
    
    name - Name of the parameter
    
    Returns:
    
    NumericExpression for the parameter
  - floatParameter
```
public NumericExpression<Float> floatParameter(String name)
```
    Description copied from interface: TypesafeQuery
    
    Method to return a numeric parameter for the query.
    
    Specified by:
    
    floatParameter in interface TypesafeQuery<T>
    
    Parameters:
    
    name - Name of the parameter
    
    Returns:
    
    NumericExpression for the parameter
  - dateParameter
```
public DateExpression dateParameter(String name)
```
    Description copied from interface: TypesafeQuery
    
    Method to return a date parameter for the query.
    
    Specified by:
    
    dateParameter in interface TypesafeQuery<T>
    
    Parameters:
    
    name - Name of the parameter
    
    Returns:
    
    Expression for the parameter
  - timeParameter
```
public TimeExpression timeParameter(String name)
```
    Description copied from interface: TypesafeQuery
    
    Method to return a time parameter for the query.
    
    Specified by:
    
    timeParameter in interface TypesafeQuery<T>
    
    Parameters:
    
    name - Name of the parameter
    
    Returns:
    
    Expression for the parameter
  - datetimeParameter
```
public DateTimeExpression datetimeParameter(String name)
```
    Description copied from interface: TypesafeQuery
    
    Method to return a datetime parameter for the query.
    
    Specified by:
    
    datetimeParameter in interface TypesafeQuery<T>
    
    Parameters:
    
    name - Name of the parameter
    
    Returns:
    
    Expression for the parameter
  - collectionParameter
```
public CollectionExpression collectionParameter(String name)
```
    Description copied from interface: TypesafeQuery
    
    Method to return a collection parameter for the query.
    
    Specified by:
    
    collectionParameter in interface TypesafeQuery<T>
    
    Parameters:
    
    name - Name of the parameter
    
    Returns:
    
    Expression for the parameter
  - mapParameter
```
public MapExpression mapParameter(String name)
```
    Description copied from interface: TypesafeQuery
    
    Method to return a map parameter for the query.
    
    Specified by:
    
    mapParameter in interface TypesafeQuery<T>
    
    Parameters:
    
    name - Name of the parameter
    
    Returns:
    
    Expression for the parameter
  - listParameter
```
public ListExpression listParameter(String name)
```
    Description copied from interface: TypesafeQuery
    
    Method to return a list parameter for the query.
    
    Specified by:
    
    listParameter in interface TypesafeQuery<T>
    
    Parameters:
    
    name - Name of the parameter
    
    Returns:
    
    Expression for the parameter
  - variable
```
public Expression variable(String name,
                           Class type)
```
    Description copied from interface: TypesafeQuery
    
    Method to return a variable for this query. Cast the returned variable to the right type to be able to call methods on it.
    
    Specified by:
    
    variable in interface TypesafeQuery<T>
    
    Parameters:
    
    name - Name of the variable
    
    type - Type of the variable
    
    Returns:
    
    Expression for the variable
  - excludeSubclasses
```
public TypesafeQuery<T> excludeSubclasses()
```
    Description copied from interface: TypesafeQuery
    
    Method to remove subclasses (of the candidate) from the query
    
    Specified by:
    
    excludeSubclasses in interface TypesafeQuery<T>
    
    Returns:
    
    The query
  - includeSubclasses
```
public TypesafeQuery<T> includeSubclasses()
```
    Description copied from interface: TypesafeQuery
    
    Method to include subclasses (of the candidate) to the query
    
    Specified by:
    
    includeSubclasses in interface TypesafeQuery<T>
    
    Returns:
    
    The query
  - filter
```
public TypesafeQuery<T> filter(BooleanExpression expr)
```
    Description copied from interface: TypesafeQuery
    
    Method to set the filter of the query.
    
    Specified by:
    
    filter in interface TypesafeQuery<T>
    
    Parameters:
    
    expr - Filter expression
    
    Returns:
    
    The query
  - groupBy
```
public TypesafeQuery<T> groupBy(Expression... exprs)
```
    Description copied from interface: TypesafeQuery
    
    Method to set the grouping(s) for the query.
    
    Specified by:
    
    groupBy in interface TypesafeQuery<T>
    
    Parameters:
    
    exprs - Grouping expression(s)
    
    Returns:
    
    The query
  - having
```
public TypesafeQuery<T> having(Expression expr)
```
    Description copied from interface: TypesafeQuery
    
    Method to set the having clause of the query.
    
    Specified by:
    
    having in interface TypesafeQuery<T>
    
    Parameters:
    
    expr - Having expression
    
    Returns:
    
    The query
  - orderBy
```
public TypesafeQuery<T> orderBy(OrderExpression... exprs)
```
    Description copied from interface: TypesafeQuery
    
    Method to set the ordering of the query.
    
    Specified by:
    
    orderBy in interface TypesafeQuery<T>
    
    Parameters:
    
    exprs - Ordering expression(s)
    
    Returns:
    
    The query
  - range
```
public TypesafeQuery<T> range(long lowerIncl,
                              long upperExcl)
```
    Description copied from interface: TypesafeQuery
    
    Method to set the range of any required results, using long values.
    
    Specified by:
    
    range in interface TypesafeQuery<T>
    
    Parameters:
    
    lowerIncl - The position of the first result (inclusive)
    
    upperExcl - The position of the last result (exclusive)
    
    Returns:
    
    The query
  - range
```
public TypesafeQuery<T> range(NumericExpression lowerInclExpr,
                              NumericExpression upperExclExpr)
```
    Description copied from interface: TypesafeQuery
    
    Method to set the range of any required results, using expressions.
    
    Specified by:
    
    range in interface TypesafeQuery<T>
    
    Parameters:
    
    lowerInclExpr - The position of the first result (inclusive)
    
    upperExclExpr - The position of the last result (exclusive)
    
    Returns:
    
    The query
  - range
```
public TypesafeQuery<T> range(Expression paramLowerInclExpr,
                              Expression paramUpperExclExpr)
```
    Description copied from interface: TypesafeQuery
    
    Method to set the range of any required results, using parameters (expressions).
    
    Specified by:
    
    range in interface TypesafeQuery<T>
    
    Parameters:
    
    paramLowerInclExpr - Expression for a parameter defining the position of the first result (inclusive)
    
    paramUpperExclExpr - Expression for a parameter defining the position of the last result (exclusive)
    
    Returns:
    
    The query
  - subquery
```
public <S> TypesafeSubquery<S> subquery(Class<S> candidateClass,
                                        String candidateAlias)
```
    Description copied from interface: TypesafeQuery
    
    Method to return a subquery for use in this query. To obtain the expression for the subquery to link it back to this query, call "result(...)" on the subquery.
    
    Specified by:
    
    subquery in interface TypesafeQuery<T>
    
    Type Parameters:
    
    S - candidate type for subquery
    
    Parameters:
    
    candidateClass - Candidate for the subquery
    
    candidateAlias - Alias for the candidate
    
    Returns:
    
    The subquery
  - subquery
```
public TypesafeSubquery<T> subquery(String candidateAlias)
```
    Description copied from interface: TypesafeQuery
    
    Method to return a subquery for use in this query using the same candidate class as this query. To obtain the expression for the subquery to link it back to this query, call "result(...)" on the subquery.
    
    Specified by:
    
    subquery in interface TypesafeQuery<T>
    
    Parameters:
    
    candidateAlias - Alias for the candidate
    
    Returns:
    
    The subquery
  - setParameter
```
public TypesafeQuery<T> setParameter(Expression paramExpr,
                                     Object value)
```
    Description copied from interface: TypesafeQuery
    
    Method to set a parameter value for use when executing the query.
    
    Specified by:
    
    setParameter in interface TypesafeQuery<T>
    
    Parameters:
    
    paramExpr - Parameter expression
    
    value - The value
    
    Returns:
    
    The query
  - setParameter
```
public TypesafeQuery<T> setParameter(String paramName,
                                     Object value)
```
    Description copied from interface: TypesafeQuery
    
    Method to set a parameter value for use when executing the query.
    
    Specified by:
    
    setParameter in interface TypesafeQuery<T>
    
    Parameters:
    
    paramName - Parameter name
    
    value - The value
    
    Returns:
    
    The query
  - setCandidates
```
public TypesafeQuery<T> setCandidates(Collection<T> candidates)
```
    Description copied from interface: TypesafeQuery
    
    Method to set the candidates to use over which we are querying. If no candidates are set then the query is performed on the datastore.
    
    Specified by:
    
    setCandidates in interface TypesafeQuery<T>
    
    Parameters:
    
    candidates - The candidates
    
    Returns:
    
    The query
  - executeList
```
public <T> List<T> executeList()
```
    Description copied from interface: TypesafeQuery
    
    Method to execute the query where there are (potentially) multiple rows and we are returning the candidate type.
    
    Specified by:
    
    executeList in interface TypesafeQuery<T>
    
    Type Parameters:
    
    T - result type
    
    Returns:
    
    The results
  - executeUnique
```
public <T> T executeUnique()
```
    Description copied from interface: TypesafeQuery
    
    Method to execute the query where there is a single row and we are returning the candidate type.
    
    Specified by:
    
    executeUnique in interface TypesafeQuery<T>
    
    Type Parameters:
    
    T - result type
    
    Returns:
    
    The result
  - executeResultList
```
public List<Object[]> executeResultList(boolean distinct,
                                        Expression... exprs)
```
    Description copied from interface: TypesafeQuery
    
    Method to execute the query where there are (potentially) multiple rows and we have a result defined but no result class.
    
    Specified by:
    
    executeResultList in interface TypesafeQuery<T>
    
    Parameters:
    
    distinct - Whether to provide distinct results
    
    exprs - Result expression(s)
    
    Returns:
    
    The results
  - executeResultList
```
public List<Object> executeResultList(boolean distinct,
                                      Expression expr)
```
    Description copied from interface: TypesafeQuery
    
    Method to execute the query where there are (potentially) multiple rows and we have a single result defined but no result class.
    
    Specified by:
    
    executeResultList in interface TypesafeQuery<T>
    
    Parameters:
    
    distinct - Whether to provide distinct results
    
    expr - Result expression
    
    Returns:
    
    The results
  - executeResultList
```
public <R> List<R> executeResultList(Class<R> resultCls,
                                     boolean distinct,
                                     Expression... exprs)
```
    Description copied from interface: TypesafeQuery
    
    Method to execute the query where there are (potentially) multiple rows and we are returning either a result type or the candidate type.
    
    Specified by:
    
    executeResultList in interface TypesafeQuery<T>
    
    Type Parameters:
    
    R - result type
    
    Parameters:
    
    resultCls - Result class
    
    distinct - Whether to provide distinct results
    
    exprs - Result expression(s)
    
    Returns:
    
    The results
  - executeResultUnique
```
public Object[] executeResultUnique(boolean distinct,
                                    Expression... exprs)
```
    Description copied from interface: TypesafeQuery
    
    Method to execute the query where there is a single row and we have a result defined but no result class.
    
    Specified by:
    
    executeResultUnique in interface TypesafeQuery<T>
    
    Parameters:
    
    distinct - Whether to provide distinct results
    
    exprs - Result expression(s)
    
    Returns:
    
    The results
  - executeResultUnique
```
public Object executeResultUnique(boolean distinct,
                                  Expression expr)
```
    Description copied from interface: TypesafeQuery
    
    Method to execute the query where there is a single row and we have a single result defined but no result class.
    
    Specified by:
    
    executeResultUnique in interface TypesafeQuery<T>
    
    Parameters:
    
    distinct - Whether to provide distinct results
    
    expr - Result expression
    
    Returns:
    
    The results
  - executeResultUnique
```
public <R> R executeResultUnique(Class<R> resultCls,
                                 boolean distinct,
                                 Expression... exprs)
```
    Description copied from interface: TypesafeQuery
    
    Method to execute the query where there is a single row and we are returning either a result type or the candidate type.
    
    Specified by:
    
    executeResultUnique in interface TypesafeQuery<T>
    
    Type Parameters:
    
    R - result type
    
    Parameters:
    
    resultCls - Result class
    
    distinct - Whether to provide distinct results
    
    exprs - Result expression(s)
    
    Returns:
    
    The result
  - getInternalQuery
```
protected org.datanucleus.store.query.Query getInternalQuery()
```
    Convenience method to generate an internal DataNucleus Query and apply the generic compilation to it.
    
    Returns:
    
    The internal DataNucleus query
  - executeInternalQuery
```
protected Object executeInternalQuery(org.datanucleus.store.query.Query internalQuery)
```
  - deletePersistentAll
```
public long deletePersistentAll()
```
    Description copied from interface: TypesafeQuery
    
    Method to execute the query deleting the affected instances.
    
    Specified by:
    
    deletePersistentAll in interface TypesafeQuery<T>
    
    Returns:
    
    The number of objects deleted
  - set
```
public TypesafeQuery<T> set(Expression expr,
                            Object val)
```
    Method to specify the update of a field of the candidate.
    
    Parameters:
    
    expr - Expression for field of the candidate
    
    val - The new value
    
    Returns:
    
    The query
  - update
```
public long update()
```
    Extension method to provide bulk update capabilities (not part of JDO).
    
    Returns:
    
    Number of instances that were updated
  - delete
```
public long delete()
```
    Extension method to provide bulk delete capabilities (not part of JDO). This differs from deletePersistentAll() in that it doesn't cascade to related objects (unless the datastore does that automatically), and that it doesn't attempt to update cached objects state to reflect the deletion.
    
    Returns:
    
    Number of instances that were deleted
  - getFetchPlan
```
public javax.jdo.FetchPlan getFetchPlan()
```
    Description copied from interface: TypesafeQuery
    
    Accessor for the FetchPlan for this query
    
    Specified by:
    
    getFetchPlan in interface TypesafeQuery<T>
    
    Returns:
    
    The FetchPlan
  - getPersistenceManager
```
public javax.jdo.PersistenceManager getPersistenceManager()
```
    Description copied from interface: TypesafeQuery
    
    Accessor for the PersistenceManager for this query
    
    Specified by:
    
    getPersistenceManager in interface TypesafeQuery<T>
    
    Returns:
    
    The PersistenceManager
  - setIgnoreCache
```
public TypesafeQuery setIgnoreCache(boolean ignore)
```
    Description copied from interface: TypesafeQuery
    
    Whether the query should ignore the cache and go straight to the datastore.
    
    Specified by:
    
    setIgnoreCache in interface TypesafeQuery<T>
    
    Parameters:
    
    ignore - Ignore the cache flag
    
    Returns:
    
    The query
  - addExtension
```
public TypesafeQuery addExtension(String key,
                                  Object value)
```
    Description copied from interface: TypesafeQuery
    
    Add a vendor-specific extension to this query. The key and value are not standard. An implementation must ignore keys that are not recognized.
    
    Specified by:
    
    addExtension in interface TypesafeQuery<T>
    
    Parameters:
    
    key - the key of the extension
    
    value - the value of the extension
    
    Returns:
    
    The query
  - setExtensions
```
public TypesafeQuery setExtensions(Map<String,Object> extensions)
```
    Description copied from interface: TypesafeQuery
    
    Set multiple extensions, or use null to clear all extensions. Map keys and values are not standard.
    
    Specified by:
    
    setExtensions in interface TypesafeQuery<T>
    
    Parameters:
    
    extensions - the map of extensions
    
    Returns:
    
    The query
    
    See Also:
    
    TypesafeQuery.addExtension(java.lang.String, java.lang.Object)
  - close
```
public void close(Object result)
```
    Description copied from interface: TypesafeQuery
    
    Method to close the specified query result.
    
    Specified by:
    
    close in interface TypesafeQuery<T>
    
    Parameters:
    
    result - The result
  - closeAll
```
public void closeAll()
```
    Description copied from interface: TypesafeQuery
    
    Method to close all query results from this query.
    
    Specified by:
    
    closeAll in interface TypesafeQuery<T>
  - compile
```
public org.datanucleus.query.compiler.QueryCompilation compile(org.datanucleus.metadata.MetaDataManager mmgr,
                                                               org.datanucleus.ClassLoaderResolver clr)
```
    Method to compile the typesafe query.
    
    Overrides:
    
    compile in class AbstractTypesafeQuery<T>
    
    Parameters:
    
    mmgr - Metadata manager
    
    clr - ClassLoader resolver
    
    Returns:
    
    The generic compilation
  - toString
```
public String toString()
```
    Method to return the single-string form of this JDOQL query.
    
    Specified by:
    
    toString in interface TypesafeQuery<T>
    
    Overrides:
    
    toString in class Object
    
    Returns:
    
    Single-string form of the query
  - discardCompiled
```
protected void discardCompiled()
```
    Called when something is set on the query making any compilation invalid.
    
    Overrides:
    
    discardCompiled in class AbstractTypesafeQuery<T>
  - getQueryClassNameForClassName
```
public static String getQueryClassNameForClassName(String name)
```
    Method to return the (simple) name of the query class for a specified class name. Currently just returns "Q{className}"
    
    Parameters:
    
    name - Simple name of the class (without package)
    
    Returns:
    
    Simple name of the query class

Class JDOTypesafeQuery<T>

Field Summary

Fields inherited from class org.datanucleus.api.jdo.query.AbstractTypesafeQuery

Fields inherited from interface org.datanucleus.query.typesafe.TypesafeQuery

Constructor Summary

Method Summary

Methods inherited from class org.datanucleus.api.jdo.query.AbstractTypesafeQuery

Methods inherited from class java.lang.Object

Field Detail

candidates

rangeLowerExpr

rangeUpperExpr

extensions

parameterExprByName

parameterValuesByName

subqueries

internalQueries

Constructor Detail

JDOTypesafeQuery

Method Detail

candidate

parameter

stringParameter

characterParameter

longParameter

integerParameter

shortParameter

doubleParameter

floatParameter

dateParameter

timeParameter

datetimeParameter

collectionParameter

mapParameter

listParameter

variable

excludeSubclasses

includeSubclasses

filter

groupBy

having

orderBy

range

range

range

subquery

subquery

setParameter

setParameter

setCandidates

executeList

executeUnique

executeResultList

executeResultList

executeResultList

executeResultUnique

executeResultUnique

executeResultUnique

getInternalQuery

executeInternalQuery

deletePersistentAll

set

update

delete

getFetchPlan

getPersistenceManager

setIgnoreCache

addExtension

setExtensions

close

closeAll

compile

toString

discardCompiled

getQueryClassNameForClassName