Class ObjectLiteral
java.lang.Object
org.datanucleus.store.rdbms.sql.expression.SQLExpression
org.datanucleus.store.rdbms.sql.expression.ObjectExpression
org.datanucleus.store.rdbms.sql.expression.ObjectLiteral
- All Implemented Interfaces:
SQLLiteral
Representation of an Object literal in a query.
-
Nested Class Summary
Nested classes/interfaces inherited from class org.datanucleus.store.rdbms.sql.expression.SQLExpression
SQLExpression.ColumnExpressionList
-
Field Summary
FieldsFields inherited from class org.datanucleus.store.rdbms.sql.expression.SQLExpression
lowestOperator, mapping, parameterName, st, stmt, subExprs, table
-
Constructor Summary
ConstructorsConstructorDescriptionObjectLiteral
(SQLStatement stmt, JavaTypeMapping mapping, Object value, String parameterName) Constructor for an Object literal with a value. -
Method Summary
Modifier and TypeMethodDescriptionprivate void
addSubexpressionsForValue
(Object value, JavaTypeMapping mapping) Method to add subExprs for the supplied mapping, consistent with the supplied value.eq
(SQLExpression expr) Method called when the query contains "object == value".getValue()
Accessor to the literal valuene
(SQLExpression expr) Method called when the query contains "object NOTEQUALS value".void
Method to set this literal as not being a parameter.protected void
toString()
Methods inherited from class org.datanucleus.store.rdbms.sql.expression.ObjectExpression
addSubexpressionsToRelatedExpression, cast, ge, gt, in, invoke, is, le, lt, processComparisonOfImplementationWithReference, useFirstColumnOnly
Methods inherited from class org.datanucleus.store.rdbms.sql.expression.SQLExpression
add, and, bitAnd, bitOr, com, distinct, div, encloseInParentheses, eor, getJavaTypeMapping, getLowestOperator, getNumberOfSubExpressions, getParameterName, getSQLStatement, getSQLTable, getSubExpression, ior, isParameter, mod, mul, neg, not, setJavaTypeMapping, sub, toSQLText, unDistinct
-
Field Details
-
value
-
-
Constructor Details
-
ObjectLiteral
public ObjectLiteral(SQLStatement stmt, JavaTypeMapping mapping, Object value, String parameterName) Constructor for an Object literal with a value.- Parameters:
stmt
- the SQL statementmapping
- the mappingvalue
- the Object valueparameterName
- Name of the parameter that this represents if any (as JDBC "?")
-
-
Method Details
-
addSubexpressionsForValue
Method to add subExprs for the supplied mapping, consistent with the supplied value. The value can be a persistent object, or an identity (datastore/application).- Parameters:
value
- The valuemapping
- The mapping
-
getValue
Description copied from interface:SQLLiteral
Accessor to the literal value- Specified by:
getValue
in interfaceSQLLiteral
- Returns:
- the value of the literal
-
eq
Method called when the query contains "object == value".- Overrides:
eq
in classObjectExpression
- Parameters:
expr
- The expression- Returns:
- The resultant expression for this query relation
-
ne
Method called when the query contains "object NOTEQUALS value".- Overrides:
ne
in classObjectExpression
- Parameters:
expr
- The expression- Returns:
- The resultant expression for this query relation
-
toString
-
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 interfaceSQLLiteral
-
setStatement
protected void setStatement()
-