Package org.datanucleus.store.rdbms.sql.expression

Class TemporalLiteral

java.lang.Object

org.datanucleus.store.rdbms.sql.expression.SQLExpression

org.datanucleus.store.rdbms.sql.expression.TemporalExpression

org.datanucleus.store.rdbms.sql.expression.TemporalLiteral

All Implemented Interfaces:

SQLLiteral

public class TemporalLiteral
extends TemporalExpression
implements SQLLiteral

Representation of temporal literal in a Query. Can be used for anything based on java.util.Date. Also supports a temporal literal specified as a String in JDBC escape syntax i.e "{d 'yyyy-mm-dd'}", "{t 'hh:mm:ss'}", "{ts 'yyyy-mm-dd hh:mm:ss.f...'}"

Nested Class Summary

Nested classes/interfaces inherited from class org.datanucleus.store.rdbms.sql.expression.SQLExpression

SQLExpression.ColumnExpressionList

Field Summary

Fields

Modifier and Type	Field	Description
private String	jdbcEscapeValue
private final Date	value

Fields inherited from class org.datanucleus.store.rdbms.sql.expression.SQLExpression

lowestOperator, mapping, parameterName, st, stmt, subExprs, table

Constructor Summary

Constructors

Constructor	Description
TemporalLiteral(SQLStatement stmt, JavaTypeMapping mapping, Object value, String parameterName)	Constructor for a temporal literal with a value.

Method Summary

Modifier and Type	Method	Description
Object	getValue()	Accessor to the literal value
SQLExpression	invoke(String methodName, List args)	Invocation of a method on this expression.
void	setNotParameter()	Method to set this literal as not being a parameter.
protected void	setStatement()
String	toString()

Methods inherited from class org.datanucleus.store.rdbms.sql.expression.TemporalExpression

add, eq, ge, gt, in, le, lt, ne, sub

Methods inherited from class org.datanucleus.store.rdbms.sql.expression.SQLExpression

and, bitAnd, bitOr, cast, com, distinct, div, encloseInParentheses, eor, getJavaTypeMapping, getLowestOperator, getNumberOfSubExpressions, getParameterName, getSQLStatement, getSQLTable, getSubExpression, ior, is, isParameter, mod, mul, neg, not, setJavaTypeMapping, toSQLText, unDistinct

Methods inherited from class java.lang.Object

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

Field Details

value

private final Date value

jdbcEscapeValue

private String jdbcEscapeValue

Constructor Details

TemporalLiteral

public TemporalLiteral(SQLStatement stmt,
 JavaTypeMapping mapping,
 Object value,
 String parameterName)

Constructor for a temporal literal with a value.

Parameters:

stmt - the SQL statement

mapping - the mapping

value - the value

parameterName - Name of the parameter that this represents if any (as JDBC "?")

Method Details

toString

public String toString()

Overrides:

toString in class Object

invoke

public SQLExpression invoke(String methodName,
 List args)

Description copied from class: SQLExpression

Invocation of a method on this expression.

Overrides:

invoke in class TemporalExpression

Parameters:

methodName - name of the method to invoke

args - Args to this method (if any)

Returns:

the converted value

getValue

public Object getValue()

Description copied from interface: SQLLiteral

Accessor to the literal value

Specified by:

getValue in interface SQLLiteral

Returns:

the value of the literal

setNotParameter

public void setNotParameter()

Description copied from interface: SQLLiteral

Method to set this literal as not being a parameter. If the literal if not currently a parameter then does nothing. Updates any underlying SQL to have the value.

Specified by:

setNotParameter in interface SQLLiteral

setStatement

protected void setStatement()