public abstract class DBCaseExpr extends DBColumnExpr
This abstract class is implemented by DBCaseMapExpr and DBCaseWhenExpr
attributes, beanPropertyName, DBCOLATTR_TITLE, DBCOLATTR_TYPE, optionsCTX_ALIAS, CTX_ALL, CTX_DEFAULT, CTX_FULLNAME, CTX_NAME, CTX_NOPARENTHESIS, CTX_VALUE| Modifier | Constructor and Description |
|---|---|
protected |
DBCaseExpr(DBColumnExpr caseExpr) |
protected |
DBCaseExpr(DBDatabase db) |
| Modifier and Type | Method and Description |
|---|---|
Element |
addXml(Element parent,
long flags)
Add a description of this column with relevant metadata
to the supplied parent XML Element.
|
DBDatabase |
getDatabase()
Returns the database object to which this object belongs to.
|
DataType |
getDataType()
Returns the data type of this column expression.
|
Class<Enum<?>> |
getEnumType()
Returns the enum type for this column
|
DBRowSet |
getRowSet()
Returns the underlying rowset containing this column
For functions involving none or more than one physical column this function return the first one
|
protected DBColumnExpr |
getSourceColumnExpr(Collection<?> values,
Object elseValue) |
DBColumn |
getUpdateColumn()
Returns the underlying physical column.
|
protected void |
init(Map<?,?> valueMap,
Object elseValue)
Init case expression.
|
protected void |
initDataTypeFromValue(Object value) |
boolean |
isAggregate()
Indicates whether this function is an aggregate (sum, min, max, avg, ...) or not
|
protected boolean |
isNotNull(Object value)
helper to check if an expression is not null
|
protected boolean |
isNull(Object value)
helper to check if an expression is null
|
abs, aggregate, append, as, as, asc, avg, ceiling, cmp, coalesce, concat, concat, convertTo, convertTo, count, countDistinct, day, decode, decode, decode, decode, decode, decode, decodeEnum, decodeSort, desc, divideBy, floor, format, function, getAttribute, getBeanPropertyName, getControlType, getExprFromPhrase, getExprFromPhrase, getJavaType, getName, getOptions, getSourceColumn, getTitle, in, in, in, indexOf, indexOf, indexOf, is, isBetween, isGreaterThan, isLessOrEqual, isMoreOrEqual, isNot, isNotBetween, isSmallerThan, length, like, like, likeLower, likeUpper, lower, max, min, minus, minus, modulo, month, multiplyWith, notIn, notIn, notIn, notLike, nvl, on, parenthesis, plus, plus, prepend, qualified, replace, reverse, round, setAttribute, setBeanPropertyName, setControlType, setOptions, setTitle, stringAgg, stringAgg, substring, substring, substring, substring, substring, substring, sum, toChar, toChar, toString, trim, trimLeft, trimRight, trunc, upper, when, yearaddReferencedColumns, addSQLcheckParamNullprotected DBCaseExpr(DBDatabase db)
protected DBCaseExpr(DBColumnExpr caseExpr)
public final DBDatabase getDatabase()
DBObjectgetDatabase in class DBObjectpublic DataType getDataType()
DBColumnExprgetDataType in interface ColumnExprgetDataType in class DBColumnExprDataTypepublic Class<Enum<?>> getEnumType()
ColumnExprpublic DBRowSet getRowSet()
DBColumnExprgetRowSet in class DBColumnExprpublic DBColumn getUpdateColumn()
DBColumnExprgetUpdateColumn in interface ColumnExprgetUpdateColumn in class DBColumnExprpublic boolean isAggregate()
DBColumnExprisAggregate in class DBColumnExprpublic Element addXml(Element parent, long flags)
DBColumnExpraddXml in class DBColumnExprparent - the parent element to which to append the column descriptionflags - currently not usedprotected boolean isNull(Object value)
value - the value to checkprotected boolean isNotNull(Object value)
value - the valueprotected void init(Map<?,?> valueMap, Object elseValue)
valueMap - the value or conditions mapelseValue - the else valueprotected DBColumnExpr getSourceColumnExpr(Collection<?> values, Object elseValue)
protected void initDataTypeFromValue(Object value)
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