org.plasma.query.dsl
Class DataNode

java.lang.Object
  org.plasma.query.dsl.DomainObject
      org.plasma.query.dsl.DomainEndpoint
          org.plasma.query.dsl.DataNode

All Implemented Interfaces:

DataProperty, IntegralDataProperty, Property, RealDataProperty, StringDataProperty, TemporalDataProperty, Term

public class DataNode
extends DomainEndpoint
implements StringDataProperty, IntegralDataProperty, RealDataProperty, TemporalDataProperty

A domain query node which is a data property end point within a query graph.

Field Summary

Fields inherited from class org.plasma.query.dsl.DomainEndpoint

property

Fields inherited from class org.plasma.query.dsl.DomainObject

source, sourceProperty

Constructor Summary

DataNode(PathNode source, String name)

Method Summary

IntegralDataProperty	abs() Constructs a value function, which returns absolute value of the data, and returns this data property for use in subsequent operations
DataProperty	asc() Constructs a ascending ordering within this data property and returns the data property for use in subsequent operations
DataProperty	avg() Constructs a average aggregate within this data property and returns the data property for use in subsequent operations
Expression	between(Object min, Object max) Returns a 6 term expression, where this property is greater than or equal to the given 'min' literal, and is less than or equal tothe given 'max' literal.
RealDataProperty	ceiling() Constructs a function, which returns the smallest integer that is greater than the number, and returns this data property for use in subsequent operations
DataProperty	desc() Constructs a descending ordering within this data property and returns the data property for use in subsequent operations
Expression	eq(Object value) Returns a boolean expression where this property is equal to to the given literal.
RealDataProperty	floor() Constructs a function, which returns the largest integer that is greater than the number, and returns this data property for use in subsequent operations
Expression	ge(Object value) Returns a boolean expression where this property is greater than or equal to the given literal.
String	getName() returns the name of this property
Expression	gt(Object value) Returns a boolean expression where this property is greater than the given literal.
Expression	in(Query subquery) Returns a subquery expression, where this property is found within the given subquery results collection.
boolean	isDistinct() Gets the value of the distinct property.
Expression	isNotNull() Returns a boolean expression where this property is not equal to null.
Expression	isNull() Returns a boolean expression where this property is equal to null.
Expression	le(Object value) Returns a boolean expression where this property is less than or equal to the given literal.
Expression	like(String value) Returns a wildcard expression where this property is like the given literal, and the literal may contain any number of wildcards, the wildcard character being '*'
StringDataProperty	lowerCase() Constructs a function, which returns the lower case for the string data, and returns this data property for use in subsequent operations
Expression	lt(Object value) Returns a boolean expression where this property is less than the given literal.
DataProperty	max() Constructs a maximum aggregate within this data property and returns the data property for use in subsequent operations
DataProperty	min() Constructs a minimum aggregate within this data property and returns the data property for use in subsequent operations
Expression	ne(Object value) Returns a boolean expression where this property is not equal to to the given literal.
StringDataProperty	normalizeSpace() Constructs a function, which removes leading and trailing spaces from the specified string, and replaces all internal sequences of white space with one and returns the result.
Expression	notIn(Query subquery) Returns a subquery expression, where this property is not found within the given subquery results collection.
RealDataProperty	round() Constructs a function, which returns the nearest integer, and returns this data property for use in subsequent operations
StringDataProperty	substringAfter(String value) Constructs a function, which returns the tail of the string data after the given string value occurs in it, and returns this data property for use in subsequent operations
StringDataProperty	substringBefore(String value) Constructs a function, which returns the start of the string data before the given string value occurs in it, and returns this data property for use in subsequent operations
DataProperty	sum() Constructs a summation aggregate within this data property and returns the data property for use in subsequent operations
StringDataProperty	upperCase() Constructs a function, which returns the upper case for the string data, and returns this data property for use in subsequent operations

Methods inherited from class org.plasma.query.dsl.DomainEndpoint

createPath

Methods inherited from class java.lang.Object

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

Constructor Detail

DataNode

public DataNode(PathNode source,
                String name)

Method Detail

eq

public Expression eq(Object value)

Description copied from interface: DataProperty

Returns a boolean expression where this property is equal to to the given literal.

Specified by:

eq in interface DataProperty

Parameters:

value - the literal

Returns:

the boolean expression

like

public Expression like(String value)

Description copied from interface: DataProperty

Returns a wildcard expression where this property is like the given literal, and the literal may contain any number of wildcards, the wildcard character being '*'

Specified by:

like in interface DataProperty

Parameters:

value - the wildcard literal

Returns:

the wildcard expression

between

public Expression between(Object min,
                          Object max)

Description copied from interface: DataProperty

Returns a 6 term expression, where this property is greater than or equal to the given 'min' literal, and is less than or equal tothe given 'max' literal.

Specified by:

between in interface DataProperty

Parameters:

min - the minimum literal

max - the maximum literal

Returns:

the expression

ge

public Expression ge(Object value)

Description copied from interface: DataProperty

Returns a boolean expression where this property is greater than or equal to the given literal.

Specified by:

ge in interface DataProperty

Parameters:

value - the literal

Returns:

the boolean expression

gt

public Expression gt(Object value)

Description copied from interface: DataProperty

Returns a boolean expression where this property is greater than the given literal.

Specified by:

gt in interface DataProperty

Parameters:

value - the literal

Returns:

the boolean expression

le

public Expression le(Object value)

Description copied from interface: DataProperty

Returns a boolean expression where this property is less than or equal to the given literal.

Specified by:

le in interface DataProperty

Parameters:

value - the literal

Returns:

the boolean expression

lt

public Expression lt(Object value)

Description copied from interface: DataProperty

Returns a boolean expression where this property is less than the given literal.

Specified by:

lt in interface DataProperty

Parameters:

value - the literal

Returns:

the boolean expression

ne

public Expression ne(Object value)

Description copied from interface: DataProperty

Returns a boolean expression where this property is not equal to to the given literal.

Specified by:

ne in interface DataProperty

Parameters:

value - the literal

Returns:

the boolean expression

in

public Expression in(Query subquery)

Description copied from interface: DataProperty

Returns a subquery expression, where this property is found within the given subquery results collection.

Specified by:

in in interface DataProperty

Parameters:

subquery - the subquery

Returns:

the subquery expression

min

public DataProperty min()

Description copied from interface: DataProperty

Constructs a minimum aggregate within this data property and returns the data property for use in subsequent operations

Specified by:

min in interface DataProperty

Returns:

the data property

max

public DataProperty max()

Description copied from interface: DataProperty

Constructs a maximum aggregate within this data property and returns the data property for use in subsequent operations

Specified by:

max in interface DataProperty

Returns:

the data property

sum

public DataProperty sum()

Description copied from interface: DataProperty

Constructs a summation aggregate within this data property and returns the data property for use in subsequent operations

Specified by:

sum in interface DataProperty

Returns:

the data property

avg

public DataProperty avg()

Description copied from interface: DataProperty

Constructs a average aggregate within this data property and returns the data property for use in subsequent operations

Specified by:

avg in interface DataProperty

Returns:

the data property

abs

public IntegralDataProperty abs()

Description copied from interface: IntegralDataProperty

Constructs a value function, which returns absolute value of the data, and returns this data property for use in subsequent operations

Specified by:

abs in interface IntegralDataProperty

Returns:

this data property for use in subsequent operations

ceiling

public RealDataProperty ceiling()

Description copied from interface: RealDataProperty

Constructs a function, which returns the smallest integer that is greater than the number, and returns this data property for use in subsequent operations

Specified by:

ceiling in interface RealDataProperty

Returns:

this data property for use in subsequent operations

floor

public RealDataProperty floor()

Description copied from interface: RealDataProperty

Constructs a function, which returns the largest integer that is greater than the number, and returns this data property for use in subsequent operations

Specified by:

floor in interface RealDataProperty

Returns:

this data property for use in subsequent operations

round

public RealDataProperty round()

Description copied from interface: RealDataProperty

Constructs a function, which returns the nearest integer, and returns this data property for use in subsequent operations

Specified by:

round in interface RealDataProperty

Returns:

this data property for use in subsequent operations

substringBefore

public StringDataProperty substringBefore(String value)

Description copied from interface: StringDataProperty

Constructs a function, which returns the start of the string data before the given string value occurs in it, and returns this data property for use in subsequent operations

Specified by:

substringBefore in interface StringDataProperty

Returns:

this data property for use in subsequent operations

substringAfter

public StringDataProperty substringAfter(String value)

Description copied from interface: StringDataProperty

Constructs a function, which returns the tail of the string data after the given string value occurs in it, and returns this data property for use in subsequent operations

Specified by:

substringAfter in interface StringDataProperty

Returns:

this data property for use in subsequent operations

upperCase

public StringDataProperty upperCase()

Description copied from interface: StringDataProperty

Constructs a function, which returns the upper case for the string data, and returns this data property for use in subsequent operations

Specified by:

upperCase in interface StringDataProperty

Returns:

this data property for use in subsequent operations

lowerCase

public StringDataProperty lowerCase()

Description copied from interface: StringDataProperty

Constructs a function, which returns the lower case for the string data, and returns this data property for use in subsequent operations

Specified by:

lowerCase in interface StringDataProperty

Returns:

this data property for use in subsequent operations

normalizeSpace

public StringDataProperty normalizeSpace()

Description copied from interface: StringDataProperty

Constructs a function, which removes leading and trailing spaces from the specified string, and replaces all internal sequences of white space with one and returns the result.

Specified by:

normalizeSpace in interface StringDataProperty

Returns:

this data property for use in subsequent operations

asc

public DataProperty asc()

Description copied from interface: DataProperty

Constructs a ascending ordering within this data property and returns the data property for use in subsequent operations

Specified by:

asc in interface DataProperty

Returns:

the data property

desc

public DataProperty desc()

Description copied from interface: DataProperty

Constructs a descending ordering within this data property and returns the data property for use in subsequent operations

Specified by:

desc in interface DataProperty

Returns:

the data property

isNotNull

public Expression isNotNull()

Description copied from interface: DataProperty

Returns a boolean expression where this property is not equal to null.

Specified by:

isNotNull in interface DataProperty

Returns:

the boolean expression

isNull

public Expression isNull()

Description copied from interface: DataProperty

Returns a boolean expression where this property is equal to null.

Specified by:

isNull in interface DataProperty

Returns:

the boolean expression

notIn

public Expression notIn(Query subquery)

Description copied from interface: DataProperty

Returns a subquery expression, where this property is not found within the given subquery results collection.

Specified by:

notIn in interface DataProperty

Parameters:

subquery - the subquery

Returns:

the subquery expression

getName

public String getName()

Description copied from interface: DataProperty

returns the name of this property

Specified by:

getName in interface DataProperty

Returns:

isDistinct

public boolean isDistinct()

Description copied from interface: DataProperty

Gets the value of the distinct property.

Specified by:

isDistinct in interface DataProperty

Returns:

possible object is Boolean