com.impetus.kundera.query

Class KunderaQueryUtils

java.lang.Object

com.impetus.kundera.query.KunderaQueryUtils

public final class KunderaQueryUtils
extends Object

Author:

Amit Kumar

Field Summary

Fields

Modifier and Type	Field and Description
private static org.slf4j.Logger	logger the log used by this class.

Constructor Summary

Constructors

Constructor and Description
KunderaQueryUtils()

Method Summary

Methods

Modifier and Type	Method and Description
private static void	addToOutputColumns(org.eclipse.persistence.jpa.jpql.parser.Expression selectExpression, EntityMetadata m, List<Map<String,Object>> columnsToOutput, EntityManagerFactoryImpl.KunderaMetadata kunderaMetadata) Adds the to output columns.
static org.eclipse.persistence.jpa.jpql.parser.OrderByClause	getOrderByClause(org.eclipse.persistence.jpa.jpql.parser.JPQLExpression jpqlExpression) Gets the order by clause.
static List<org.eclipse.persistence.jpa.jpql.parser.OrderByItem>	getOrderByItems(org.eclipse.persistence.jpa.jpql.parser.JPQLExpression jpqlExpression) Gets the order by items.
static Object	getValue(org.eclipse.persistence.jpa.jpql.parser.Expression exp, Class clazz, KunderaQuery kunderaQuery) Gets the value.
static org.eclipse.persistence.jpa.jpql.parser.WhereClause	getWhereClause(org.eclipse.persistence.jpa.jpql.parser.JPQLExpression jpqlExpression) Gets the where clause.
static boolean	hasGroupBy(org.eclipse.persistence.jpa.jpql.parser.JPQLExpression jpqlExpression) Checks for group by.
static boolean	hasHaving(org.eclipse.persistence.jpa.jpql.parser.JPQLExpression jpqlExpression) Checks for having.
static boolean	hasOrderBy(org.eclipse.persistence.jpa.jpql.parser.JPQLExpression jpqlExpression) Checks for order by.
static boolean	hasWhereClause(org.eclipse.persistence.jpa.jpql.parser.JPQLExpression jpqlExpression) Checks for where clause.
static boolean	isAggregatedExpression(org.eclipse.persistence.jpa.jpql.parser.Expression expression) Checks if is aggregated expression.
static boolean	isDeleteStatement(org.eclipse.persistence.jpa.jpql.parser.JPQLExpression jpqlExpression) Checks if is delete statement.
static boolean	isSelectStatement(org.eclipse.persistence.jpa.jpql.parser.JPQLExpression jpqlExpression) Checks if is select statement.
static boolean	isUpdateStatement(org.eclipse.persistence.jpa.jpql.parser.JPQLExpression jpqlExpression) Checks if is update statement.
static Map<String,Object>	onBetweenExpression(org.eclipse.persistence.jpa.jpql.parser.Expression expression, EntityMetadata m, EntityManagerFactoryImpl.KunderaMetadata kunderaMetadata, KunderaQuery kunderaQuery)
static Map<String,Object>	onComparisonExpression(org.eclipse.persistence.jpa.jpql.parser.Expression expression, EntityMetadata m, EntityManagerFactoryImpl.KunderaMetadata kunderaMetadata, KunderaQuery kunderaQuery) On comparison expression.
static Map<String,Object>	onInExpression(org.eclipse.persistence.jpa.jpql.parser.Expression expression, EntityMetadata m, EntityManagerFactoryImpl.KunderaMetadata kunderaMetadata, KunderaQuery kunderaQuery) On in expression.
static Map<String,Object>	onLikeExpression(org.eclipse.persistence.jpa.jpql.parser.Expression expression, EntityMetadata m, EntityManagerFactoryImpl.KunderaMetadata kunderaMetadata, KunderaQuery kunderaQuery)
static void	onLogicalExpression(org.eclipse.persistence.jpa.jpql.parser.Expression expression, EntityMetadata m, EntityManagerFactoryImpl.KunderaMetadata kunderaMetadata, KunderaQuery kunderaQuery) On logical expression.
static Map<String,Object>	onRegExpression(org.eclipse.persistence.jpa.jpql.parser.Expression expression, EntityMetadata m, EntityManagerFactoryImpl.KunderaMetadata kunderaMetadata, KunderaQuery kunderaQuery) On reg expression.
static void	onSubExpression(org.eclipse.persistence.jpa.jpql.parser.Expression expression, EntityMetadata m, EntityManagerFactoryImpl.KunderaMetadata kunderaMetadata, KunderaQuery kunderaQuery)
static List<Map<String,Object>>	readSelectClause(org.eclipse.persistence.jpa.jpql.parser.Expression selectExpression, EntityMetadata m, Boolean useLuceneOrES, EntityManagerFactoryImpl.KunderaMetadata kunderaMetadata) Read select clause.
static Map<String,Object>	setFieldClazzAndColumnFamily(org.eclipse.persistence.jpa.jpql.parser.Expression expression, EntityMetadata m, EntityManagerFactoryImpl.KunderaMetadata kunderaMetadata) Sets the fieldclazz and colfamily.
static void	traverse(org.eclipse.persistence.jpa.jpql.parser.Expression expression, EntityMetadata m, EntityManagerFactoryImpl.KunderaMetadata kunderaMetadata, KunderaQuery kunderaQuery, boolean isSubExpression) Traverse.

Methods inherited from class java.lang.Object

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

Field Detail

logger

private static org.slf4j.Logger logger

the log used by this class.

Constructor Detail

KunderaQueryUtils

public KunderaQueryUtils()

Method Detail

getWhereClause

public static org.eclipse.persistence.jpa.jpql.parser.WhereClause getWhereClause(org.eclipse.persistence.jpa.jpql.parser.JPQLExpression jpqlExpression)

Gets the where clause.

Parameters:

jpqlExpression - the jpql expression

Returns:

the where clause

getOrderByClause

public static org.eclipse.persistence.jpa.jpql.parser.OrderByClause getOrderByClause(org.eclipse.persistence.jpa.jpql.parser.JPQLExpression jpqlExpression)

Gets the order by clause.

Parameters:

jpqlExpression - the jpql expression

Returns:

the order by clause

hasWhereClause

public static boolean hasWhereClause(org.eclipse.persistence.jpa.jpql.parser.JPQLExpression jpqlExpression)

Checks for where clause.

Parameters:

jpqlExpression - the jpql expression

Returns:

true, if successful

hasGroupBy

public static boolean hasGroupBy(org.eclipse.persistence.jpa.jpql.parser.JPQLExpression jpqlExpression)

Checks for group by.

Parameters:

jpqlExpression - the jpql expression

Returns:

true, if successful

hasHaving

public static boolean hasHaving(org.eclipse.persistence.jpa.jpql.parser.JPQLExpression jpqlExpression)

Checks for having.

Parameters:

jpqlExpression - the jpql expression

Returns:

true, if successful

hasOrderBy

public static boolean hasOrderBy(org.eclipse.persistence.jpa.jpql.parser.JPQLExpression jpqlExpression)

Checks for order by.

Parameters:

jpqlExpression - the jpql expression

Returns:

true, if successful

isSelectStatement

public static boolean isSelectStatement(org.eclipse.persistence.jpa.jpql.parser.JPQLExpression jpqlExpression)

Checks if is select statement.

Parameters:

jpqlExpression - the jpql expression

Returns:

true, if is select statement

isDeleteStatement

public static boolean isDeleteStatement(org.eclipse.persistence.jpa.jpql.parser.JPQLExpression jpqlExpression)

Checks if is delete statement.

Parameters:

jpqlExpression - the jpql expression

Returns:

true, if is delete statement

isUpdateStatement

public static boolean isUpdateStatement(org.eclipse.persistence.jpa.jpql.parser.JPQLExpression jpqlExpression)

Checks if is update statement.

Parameters:

jpqlExpression - the jpql expression

Returns:

true, if is update statement

isAggregatedExpression

public static boolean isAggregatedExpression(org.eclipse.persistence.jpa.jpql.parser.Expression expression)

Checks if is aggregated expression.

Parameters:

expression - the expression

Returns:

true, if is aggregated expression

getValue

public static Object getValue(org.eclipse.persistence.jpa.jpql.parser.Expression exp,
              Class clazz,
              KunderaQuery kunderaQuery)

Gets the value.

Parameters:

exp - the exp

clazz - the clazz

Returns:

the value

addToOutputColumns

private static void addToOutputColumns(org.eclipse.persistence.jpa.jpql.parser.Expression selectExpression,
                      EntityMetadata m,
                      List<Map<String,Object>> columnsToOutput,
                      EntityManagerFactoryImpl.KunderaMetadata kunderaMetadata)

Adds the to output columns.

Parameters:

selectExpression - the select expression

m - the m

columnsToOutput - the columns to output

readSelectClause

public static List<Map<String,Object>> readSelectClause(org.eclipse.persistence.jpa.jpql.parser.Expression selectExpression,
                                        EntityMetadata m,
                                        Boolean useLuceneOrES,
                                        EntityManagerFactoryImpl.KunderaMetadata kunderaMetadata)

Read select clause.

Parameters:

selectExpression - the select expression

m - the m

useLuceneOrES - the use lucene or es

kunderaMetadata -

Returns:

the list

setFieldClazzAndColumnFamily

public static Map<String,Object> setFieldClazzAndColumnFamily(org.eclipse.persistence.jpa.jpql.parser.Expression expression,
                                              EntityMetadata m,
                                              EntityManagerFactoryImpl.KunderaMetadata kunderaMetadata)

Sets the fieldclazz and colfamily.

Parameters:

expression - the expression

m - the m

Returns:

the map

traverse

public static void traverse(org.eclipse.persistence.jpa.jpql.parser.Expression expression,
            EntityMetadata m,
            EntityManagerFactoryImpl.KunderaMetadata kunderaMetadata,
            KunderaQuery kunderaQuery,
            boolean isSubExpression)

Traverse.

Parameters:

expression - the expression

m - the m

idColumn - the id column

onSubExpression

public static void onSubExpression(org.eclipse.persistence.jpa.jpql.parser.Expression expression,
                   EntityMetadata m,
                   EntityManagerFactoryImpl.KunderaMetadata kunderaMetadata,
                   KunderaQuery kunderaQuery)

Parameters:

expression -

m -

kunderaMetadata -

kunderaQuery -

onBetweenExpression

public static Map<String,Object> onBetweenExpression(org.eclipse.persistence.jpa.jpql.parser.Expression expression,
                                     EntityMetadata m,
                                     EntityManagerFactoryImpl.KunderaMetadata kunderaMetadata,
                                     KunderaQuery kunderaQuery)

Parameters:

expression -

m -

kunderaMetadata -

kunderaQuery -

Returns:

onLikeExpression

public static Map<String,Object> onLikeExpression(org.eclipse.persistence.jpa.jpql.parser.Expression expression,
                                  EntityMetadata m,
                                  EntityManagerFactoryImpl.KunderaMetadata kunderaMetadata,
                                  KunderaQuery kunderaQuery)

Parameters:

expression -

m -

kunderaMetadata -

kunderaQuery -

Returns:

onRegExpression

public static Map<String,Object> onRegExpression(org.eclipse.persistence.jpa.jpql.parser.Expression expression,
                                 EntityMetadata m,
                                 EntityManagerFactoryImpl.KunderaMetadata kunderaMetadata,
                                 KunderaQuery kunderaQuery)

On reg expression.

Parameters:

expression - the expression

m - the m

kunderaMetadata - the kundera metadata

kunderaQuery - the kundera query

Returns:

the map

onLogicalExpression

public static void onLogicalExpression(org.eclipse.persistence.jpa.jpql.parser.Expression expression,
                       EntityMetadata m,
                       EntityManagerFactoryImpl.KunderaMetadata kunderaMetadata,
                       KunderaQuery kunderaQuery)

On logical expression.

Parameters:

expression - the expression

m - the m

idColumn - the id column

onInExpression

public static Map<String,Object> onInExpression(org.eclipse.persistence.jpa.jpql.parser.Expression expression,
                                EntityMetadata m,
                                EntityManagerFactoryImpl.KunderaMetadata kunderaMetadata,
                                KunderaQuery kunderaQuery)

On in expression.

Parameters:

expression - the expression

m - the m

idColumn - the id column

isIdColumn - the is id column

Returns:

onComparisonExpression

public static Map<String,Object> onComparisonExpression(org.eclipse.persistence.jpa.jpql.parser.Expression expression,
                                        EntityMetadata m,
                                        EntityManagerFactoryImpl.KunderaMetadata kunderaMetadata,
                                        KunderaQuery kunderaQuery)

On comparison expression.

Parameters:

expression - the expression

m - the m

idColumn - the id column

isIdColumn - the is id column

Returns:

getOrderByItems

public static List<org.eclipse.persistence.jpa.jpql.parser.OrderByItem> getOrderByItems(org.eclipse.persistence.jpa.jpql.parser.JPQLExpression jpqlExpression)

Gets the order by items.

Parameters:

jpqlExpression - the jpql expression

Returns:

the order by items