org.apache.openjpa.kernel.exps
Class QueryExpressions

java.lang.Object
  org.apache.openjpa.kernel.exps.QueryExpressions

public class QueryExpressions
extends Object

Struct to hold the state of a parsed expression query.

Since:

0.3.2

Author:

Abe White

Field Summary

ClassMetaData[]	accessPath
String	alias
boolean[]	ascending
int	distinct
static int	DISTINCT_AUTO
static int	DISTINCT_FALSE
static int	DISTINCT_TRUE
static Value[]	EMPTY_VALUES
String[]	fetchPaths
Expression	filter
Value[]	grouping
String[]	groupingClauses
Expression	having
int	operation
Value[]	ordering
String[]	orderingClauses
LinkedMap	parameterTypes
String[]	projectionAliases
String[]	projectionClauses
Value[]	projections
Value[]	range
Class	resultClass
Map	updates Map of FieldMetaData,Value for update statements.

Constructor Summary

QueryExpressions()

Method Summary

boolean	isAggregate() Whether this is an aggregate results.
void	putUpdate(FieldMetaData fmd, Value val) Add an update.

Methods inherited from class java.lang.Object

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

Field Detail

DISTINCT_AUTO

public static final int DISTINCT_AUTO

See Also:

Constant Field Values

DISTINCT_TRUE

public static final int DISTINCT_TRUE

See Also:

Constant Field Values

DISTINCT_FALSE

public static final int DISTINCT_FALSE

See Also:

Constant Field Values

EMPTY_VALUES

public static final Value[] EMPTY_VALUES

updates

public Map updates

Map of FieldMetaData,Value for update statements.

distinct

public int distinct

alias

public String alias

projections

public Value[] projections

projectionClauses

public String[] projectionClauses

projectionAliases

public String[] projectionAliases

resultClass

public Class resultClass

filter

public Expression filter

grouping

public Value[] grouping

groupingClauses

public String[] groupingClauses

having

public Expression having

ordering

public Value[] ordering

ascending

public boolean[] ascending

orderingClauses

public String[] orderingClauses

parameterTypes

public LinkedMap parameterTypes

operation

public int operation

accessPath

public ClassMetaData[] accessPath

fetchPaths

public String[] fetchPaths

range

public Value[] range

Constructor Detail

QueryExpressions

public QueryExpressions()

Method Detail

isAggregate

public boolean isAggregate()

Whether this is an aggregate results.

putUpdate

public void putUpdate(FieldMetaData fmd,
                      Value val)

Add an update.