public class QueryDefinitionImpl extends ExpressionImpl implements QueryDefinition, Expression
Modifier and Type | Class and Description |
---|---|
(package private) static class |
QueryDefinitionImpl.DomainSorter |
Modifier and Type | Field and Description |
---|---|
protected static Localizer |
_loc |
CLOSE_BRACE, COMMA, EMPTY, OPEN_BRACE, SPACE
Modifier | Constructor and Description |
---|---|
protected |
QueryDefinitionImpl(QueryBuilderImpl builder) |
Modifier and Type | Method and Description |
---|---|
protected <T extends AbstractDomainObject> |
addDomain(T path) |
DomainObject |
addRoot(Class cls)
Root domain object has no parent, no path but a non-null Class.
|
DomainObject |
addSubqueryRoot(PathExpression path)
Add a root derived from a domain object of the containing query
definition to a query definition used as a subquery.
|
Subquery |
all()
Use the query definition object in a subquery in an all expression.
|
Subquery |
any()
Use the query definition object in a subquery in an any expression.
|
String |
asExpression(AliasContext ctx)
Get a JPQL fragment as used in WHERE clause.
|
String |
asProjection(AliasContext ctx)
Gets the string representation in SELECT projection.
|
Expression |
coalesce(Calendar... exp)
coalesce This is equivalent to a case expression that returns null if all
its arguments evaluate to null, and the value of its first non-null
argument otherwise.
|
Expression |
coalesce(Date... exp)
coalesce This is equivalent to a case expression that returns null if all
its arguments evaluate to null, and the value of its first non-null
argument otherwise.
|
Expression |
coalesce(Expression... exp)
coalesce This is equivalent to a case expression that returns null if all
its arguments evaluate to null, and the value of its first non-null
argument otherwise.
|
Expression |
coalesce(String... exp)
coalesce This is equivalent to a case expression that returns null if all
its arguments evaluate to null, and the value of its first non-null
argument otherwise.
|
Expression |
currentDate()
Create an Expression corresponding to the current date on the database
server at the time of query execution.
|
Expression |
currentTime()
Create an Expression corresponding to the current time on the database
server at the time of query execution.
|
Expression |
currentTimestamp()
Create an Expression corresponding to the current timestamp on the
database server at the time of query execution.
|
Predicate |
exists()
Use the query definition instance as a subquery in an exists predicate.
|
void |
fillBuffer(String header,
StringBuilder buffer,
AliasContext ctx,
List list,
org.apache.openjpa.persistence.query.QueryDefinitionImpl.Visit visit) |
void |
fillBuffer(String header,
StringBuilder buffer,
AliasContext ctx,
Predicate p) |
CaseExpression |
generalCase()
Create an empty general case expression.
|
QueryDefinition |
groupBy(List<PathExpression> pathExprList)
Specify the items that are used to form groups over the query results.
|
QueryDefinition |
groupBy(PathExpression... pathExprs)
Specify the items that are used to form groups over the query results.
|
(package private) boolean |
hasDomain(PathExpression path) |
QueryDefinition |
having(Predicate predicate)
Specify the restrictions over the groups of a query.
|
Expression |
literal(boolean b)
Create an Expression corresponding to a boolean value.
|
Expression |
literal(Calendar c)
Create an Expression corresponding to a Calendar value.
|
Expression |
literal(char c)
Create an Expression corresponding to a character value.
|
Expression |
literal(Class cls)
Create an Expression corresponding to an entity class.
|
Expression |
literal(Date d)
Create an Expression corresponding to a Date value.
|
Expression |
literal(Enum<?> e)
Create an Expression corresponding to an enum.
|
Expression |
literal(Number n)
Create an Expression corresponding to a numeric value.
|
Expression |
literal(String s)
Create an Expression corresponding to a String value.
|
SelectItem |
newInstance(Class cls,
SelectItem... args)
Specify that a constructor for the given class is to be applied to the
corresponding query results after the query is executed.
|
Expression |
nullif(Calendar arg1,
Calendar arg2)
nullif This is equivalent to a case expression that tests whether its
arguments are equal, returning null if they are and the value of the
first expression if they are not.
|
Expression |
nullif(Class arg1,
Class arg2)
nullif This is equivalent to a case expression that tests whether its
arguments are equal, returning null if they are and the value of the
first expression if they are not.
|
Expression |
nullif(Date arg1,
Date arg2)
nullif This is equivalent to a case expression that tests whether its
arguments are equal, returning null if they are and the value of the
first expression if they are not.
|
Expression |
nullif(Enum<?> arg1,
Enum<?> arg2)
nullif This is equivalent to a case expression that tests whether its
arguments are equal, returning null if they are and the value of the
first expression if they are not.
|
Expression |
nullif(Expression exp1,
Expression exp2)
nullif This is equivalent to a case expression that tests whether its
arguments are equal, returning null if they are and the value of the
first expression if they are not.
|
Expression |
nullif(Number arg1,
Number arg2)
nullif This is equivalent to a case expression that tests whether its
arguments are equal, returning null if they are and the value of the
first expression if they are not.
|
Expression |
nullif(String arg1,
String arg2)
nullif This is equivalent to a case expression that tests whether its
arguments are equal, returning null if they are and the value of the
first expression if they are not.
|
Expression |
nullLiteral()
Create an Expression corresponding to a null value.
|
QueryDefinition |
orderBy(List<OrderByItem> orderByItemList)
Specify the items of the select list that are used in ordering the query
results.
|
QueryDefinition |
orderBy(OrderByItem... orderByItems)
Specify the items of the select list that are used in ordering the query
results.
|
Expression |
param(String name)
Specify use of a parameter of the given name.
|
Predicate |
predicate(boolean b)
Create a predicate value from the given boolean.
|
QueryDefinition |
select(List<SelectItem> items)
Specify the objects / values to be returned.
|
QueryDefinition |
select(SelectItem... items)
Specify the objects / values to be returned.
|
QueryDefinition |
selectDistinct(List<SelectItem> items)
Specify the objects / values to be returned.
|
QueryDefinition |
selectDistinct(SelectItem... items)
Specify the objects / values to be returned.
|
CaseExpression |
simpleCase(Calendar caseOperand)
Create a simple case expression with the given case operand.
|
CaseExpression |
simpleCase(Class caseOperand)
Create a simple case expression with the given case operand.
|
CaseExpression |
simpleCase(Date caseOperand)
Create a simple case expression with the given case operand.
|
CaseExpression |
simpleCase(Enum<?> caseOperand)
Create a simple case expression with the given case operand.
|
CaseExpression |
simpleCase(Expression caseOperand)
Create a simple case expression with the given case operand.
|
CaseExpression |
simpleCase(Number caseOperand)
Create a simple case expression with the given case operand.
|
CaseExpression |
simpleCase(String caseOperand)
Create a simple case expression with the given case operand.
|
Subquery |
some()
Use the query definition object in a subquery in a some expression.
|
QueryDefinition |
where(Predicate predicate)
Modifies the query definition to restrict the result of the query
according to the specified predicate.
|
abs, asc, between, between, between, between, between, between, between, between, between, between, between, between, between, concat, concat, desc, dividedBy, dividedBy, equal, equal, equal, equal, equal, equal, equal, equal, getAliasHint, greaterEqual, greaterEqual, greaterEqual, greaterEqual, greaterEqual, greaterThan, greaterThan, greaterThan, greaterThan, greaterThan, in, in, in, in, in, in, isNull, length, lessEqual, lessEqual, lessEqual, lessEqual, lessEqual, lessThan, lessThan, lessThan, lessThan, lessThan, like, like, like, like, like, like, locate, locate, locate, locate, locate, locate, lower, member, minus, minus, minus, mod, mod, notEqual, notEqual, notEqual, notEqual, notEqual, notEqual, notEqual, notEqual, plus, plus, sqrt, substring, substring, substring, substring, substring, substring, times, times, trim, trim, trim, trim, trim, trim, upper
asJoinable
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
between, between, between, between, between, between, between, between, between, between, between, between, between, equal, equal, equal, equal, equal, equal, equal, equal, greaterEqual, greaterEqual, greaterEqual, greaterEqual, greaterEqual, greaterThan, greaterThan, greaterThan, greaterThan, greaterThan, lessEqual, lessEqual, lessEqual, lessEqual, lessEqual, lessThan, lessThan, lessThan, lessThan, lessThan, like, like, like, like, like, like, notEqual, notEqual, notEqual, notEqual, notEqual, notEqual, notEqual, notEqual
abs, concat, concat, dividedBy, dividedBy, in, in, in, in, in, in, isNull, length, locate, locate, locate, locate, locate, locate, lower, member, minus, minus, minus, mod, mod, plus, plus, sqrt, substring, substring, substring, substring, substring, substring, times, times, trim, trim, trim, trim, trim, trim, upper
asc, desc
asJoinable
protected static Localizer _loc
protected QueryDefinitionImpl(QueryBuilderImpl builder)
builder
- public DomainObject addRoot(Class cls)
addRoot
in interface QueryDefinition
cls
- -
an entity classpublic DomainObject addSubqueryRoot(PathExpression path)
QueryDefinition
addSubqueryRoot
in interface QueryDefinition
path
- -
path expression corresponding to the domain object used to
derive the subquery root.boolean hasDomain(PathExpression path)
protected <T extends AbstractDomainObject> T addDomain(T path)
public Subquery all()
QueryDefinition
all
in interface QueryDefinition
public Subquery any()
QueryDefinition
any
in interface QueryDefinition
public Expression coalesce(Expression... exp)
QueryDefinition
coalesce
in interface QueryDefinition
exp
- -
expressions to be used for testing against nullpublic Expression coalesce(String... exp)
QueryDefinition
coalesce
in interface QueryDefinition
exp
- -
expressions to be used for testing against nullpublic Expression coalesce(Date... exp)
QueryDefinition
coalesce
in interface QueryDefinition
exp
- -
expressions to be used for testing against nullpublic Expression coalesce(Calendar... exp)
QueryDefinition
coalesce
in interface QueryDefinition
exp
- -
expressions to be used for testing against nullpublic Expression currentDate()
QueryDefinition
currentDate
in interface QueryDefinition
public Expression currentTime()
QueryDefinition
currentTime
in interface QueryDefinition
public Expression currentTimestamp()
QueryDefinition
currentTimestamp
in interface QueryDefinition
public Predicate exists()
QueryDefinition
exists
in interface QueryDefinition
public CaseExpression generalCase()
QueryDefinition
generalCase
in interface QueryDefinition
public QueryDefinition groupBy(PathExpression... pathExprs)
QueryDefinition
groupBy
in interface QueryDefinition
public QueryDefinition groupBy(List<PathExpression> pathExprList)
QueryDefinition
groupBy
in interface QueryDefinition
public QueryDefinition having(Predicate predicate)
QueryDefinition
having
in interface QueryDefinition
public Expression literal(String s)
QueryDefinition
literal
in interface QueryDefinition
s
- -
string valuepublic Expression literal(Number n)
QueryDefinition
literal
in interface QueryDefinition
n
- -
numeric valuepublic Expression literal(boolean b)
QueryDefinition
literal
in interface QueryDefinition
b
- -
boolean valuepublic Expression literal(Calendar c)
QueryDefinition
literal
in interface QueryDefinition
c
- -
Calendar valuepublic Expression literal(Date d)
QueryDefinition
literal
in interface QueryDefinition
d
- -
Date valuepublic Expression literal(char c)
QueryDefinition
literal
in interface QueryDefinition
public Expression literal(Class cls)
QueryDefinition
literal
in interface QueryDefinition
cls
- -
entity classpublic Expression literal(Enum<?> e)
QueryDefinition
literal
in interface QueryDefinition
e
- -
enumpublic Expression nullLiteral()
QueryDefinition
nullLiteral
in interface QueryDefinition
public SelectItem newInstance(Class cls, SelectItem... args)
QueryDefinition
newInstance
in interface QueryDefinition
cls
- -
a class with the correponding constructorargs
- -
select items that correspond to result types that are valid
as arguments to the constructorpublic Expression nullif(Expression exp1, Expression exp2)
QueryDefinition
nullif
in interface QueryDefinition
public Expression nullif(Number arg1, Number arg2)
QueryDefinition
nullif
in interface QueryDefinition
public Expression nullif(String arg1, String arg2)
QueryDefinition
nullif
in interface QueryDefinition
arg2
- Criteria API Java Persistence 2.0, Public Review Draft
Criteria API Interfaces 10/31/08 158 JSR-317 Public Review
Draft Sun Microsystems, Inc.public Expression nullif(Date arg1, Date arg2)
QueryDefinition
nullif
in interface QueryDefinition
public Expression nullif(Calendar arg1, Calendar arg2)
QueryDefinition
nullif
in interface QueryDefinition
public Expression nullif(Class arg1, Class arg2)
QueryDefinition
nullif
in interface QueryDefinition
public Expression nullif(Enum<?> arg1, Enum<?> arg2)
QueryDefinition
nullif
in interface QueryDefinition
public QueryDefinition orderBy(OrderByItem... orderByItems)
QueryDefinition
orderBy
in interface QueryDefinition
orderByItems
- -
one or more OrderByItem instancespublic QueryDefinition orderBy(List<OrderByItem> orderByItemList)
QueryDefinition
orderBy
in interface QueryDefinition
orderByItemList
- -
a list containing one or more OrderByItem
instancespublic Expression param(String name)
QueryDefinition
param
in interface QueryDefinition
public Predicate predicate(boolean b)
QueryDefinition
predicate
in interface QueryDefinition
b
- boolean valuepublic QueryDefinition select(SelectItem... items)
QueryDefinition
select
in interface QueryDefinition
items
- -
one or more SelectItem instancespublic QueryDefinition select(List<SelectItem> items)
QueryDefinition
select
in interface QueryDefinition
items
- -
a list containing one or more SelectItem instancespublic QueryDefinition selectDistinct(SelectItem... items)
QueryDefinition
selectDistinct
in interface QueryDefinition
items
- -
one or more SelectItem instancespublic QueryDefinition selectDistinct(List<SelectItem> items)
QueryDefinition
selectDistinct
in interface QueryDefinition
items
- -
a list containing one or more SelectItem instancespublic CaseExpression simpleCase(Expression caseOperand)
QueryDefinition
simpleCase
in interface QueryDefinition
caseOperand
- -
expression used for testing against the when scalar
expressionspublic CaseExpression simpleCase(Number caseOperand)
QueryDefinition
simpleCase
in interface QueryDefinition
caseOperand
- -
numeric value used for testing against the when scalar
expressionspublic CaseExpression simpleCase(String caseOperand)
QueryDefinition
simpleCase
in interface QueryDefinition
caseOperand
- -
value used for testing against the when scalar
expressionspublic CaseExpression simpleCase(Date caseOperand)
QueryDefinition
simpleCase
in interface QueryDefinition
caseOperand
- -
value used for testing against the when scalar
expressionspublic CaseExpression simpleCase(Calendar caseOperand)
QueryDefinition
simpleCase
in interface QueryDefinition
caseOperand
- -
value used for testing against the when scalar
expressionspublic CaseExpression simpleCase(Class caseOperand)
QueryDefinition
simpleCase
in interface QueryDefinition
caseOperand
- -
value used for testing against the when scalar
expressionspublic CaseExpression simpleCase(Enum<?> caseOperand)
QueryDefinition
simpleCase
in interface QueryDefinition
caseOperand
- -
value used for testing against the when scalar
expressionspublic Subquery some()
QueryDefinition
some
in interface QueryDefinition
public QueryDefinition where(Predicate predicate)
QueryDefinition
where
in interface QueryDefinition
predicate
- -
a simple or compound conditional predicatepublic String asExpression(AliasContext ctx)
Visitable
asExpression
in interface Visitable
asExpression
in class AbstractVisitable
public String asProjection(AliasContext ctx)
Visitable
asProjection
in interface Visitable
asProjection
in class AbstractVisitable
public void fillBuffer(String header, StringBuilder buffer, AliasContext ctx, List list, org.apache.openjpa.persistence.query.QueryDefinitionImpl.Visit visit)
public void fillBuffer(String header, StringBuilder buffer, AliasContext ctx, Predicate p)
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