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Java Source Code / Java Documentation » Database ORM » ODAL » com.completex.objective.components.persistency.core

Source Cross Reference

Class Diagram

Java Document (Java Doc)

com.completex.objective.components.persistency.core .Union

All known Subclasses:   com.completex.objective.components.persistency.core.impl.query .UnionImpl,
Union
public interface Union (Code)
Represents SQL union query. Generally it is not thread safe.
author:
   Gennady Krizhevsky

Inner Class :static class UnionEntry implements Serializable,Mappable

Field Summary
final public static UnionMode UNION

final public static UnionMode UNION_ALL


Method Summary
Union addToOrderBy(String columnExpression, Query.OrderDirection direction)
     Adds column expression to the order by clause.
Union addToOrderBy(String columnExpression)
     Adds column expression to the order by clause with default sort direction.
Union compile(DatabasePolicy databasePolicy)
     Decompiles union.
Union decompile()

String[] getOrderBy()

UnionEntry getUnionEntry(int index)

boolean hasEntries()

boolean hasOrderBy()

boolean isCompiled()

Union setOrderBy(String[] orderBy)

Union setOrderBy(List orderBy)
     Sets array of column expressions to the order by clause.
Union union(QueryDefinition query)

Union union(QueryDefinition query, UnionMode union)

Union unionAll(QueryDefinition query)

int unionSize()


Field Detail
UNION
final public static UnionMode UNION(Code)

UNION_ALL
final public static UnionMode UNION_ALL(Code)

Method Detail
addToOrderBy
Union addToOrderBy(String columnExpression, Query.OrderDirection direction)(Code)
Adds column expression to the order by clause. All the expressions will be used when compiling separated by commas
Parameters:
  columnExpression -
Parameters:
  direction - - ascending or descending self

addToOrderBy
Union addToOrderBy(String columnExpression)(Code)
Adds column expression to the order by clause with default sort direction.
Parameters:
  columnExpression - self

compile
Union compile(DatabasePolicy databasePolicy)(Code)
Decompiles union. After that it becomes immutable until decompile() is used.
Parameters:
  databasePolicy - self

decompile
Union decompile()(Code)
Decompiles union allowing for the modifications self

getOrderBy
String[] getOrderBy()(Code)
union's Order By columns

getUnionEntry
UnionEntry getUnionEntry(int index)(Code)

Parameters:
  index - index-th union part
throws:
  IndexOutOfBoundsException - if the index is out of range (index< 0 || index >= size()).

hasEntries
boolean hasEntries()(Code)
true if it contains any sub-queries (same as unionSize() > 0)

hasOrderBy
boolean hasOrderBy()(Code)
true if there is order by clause

isCompiled
boolean isCompiled()(Code)
true if Union is compiled

setOrderBy
Union setOrderBy(String[] orderBy)(Code)
Sets order by clause that has union scope rather than query one
Parameters:
  orderBy - self

setOrderBy
Union setOrderBy(List orderBy)(Code)
Sets array of column expressions to the order by clause. All the expressions will be used when compiling separated by commas
Parameters:
  orderBy - self

union
Union union(QueryDefinition query)(Code)
Adds another query to the union with "UNION" clause
Parameters:
  query - self

union
Union union(QueryDefinition query, UnionMode union)(Code)
Adds another query to the union with UnionMode dependent clause
Parameters:
  query - self

unionAll
Union unionAll(QueryDefinition query)(Code)
Adds another query to the union with "UNION ALL" clause
Parameters:
  query - self

unionSize
int unionSize()(Code)
number of union sub-queries

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