Class OptionalExpression
java.lang.Object
org.datanucleus.store.rdbms.sql.expression.SQLExpression
org.datanucleus.store.rdbms.sql.expression.DelegatedExpression
org.datanucleus.store.rdbms.sql.expression.SingleCollectionExpression
org.datanucleus.store.rdbms.sql.expression.OptionalExpression
- Direct Known Subclasses:
OptionalLiteral
Expression for java.util.Optional.
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Nested Class Summary
Nested classes/interfaces inherited from class org.datanucleus.store.rdbms.sql.expression.SQLExpression
SQLExpression.ColumnExpressionList
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Field Summary
Fields inherited from class org.datanucleus.store.rdbms.sql.expression.SingleCollectionExpression
wrappedExpressions
Fields inherited from class org.datanucleus.store.rdbms.sql.expression.DelegatedExpression
delegate
Fields inherited from class org.datanucleus.store.rdbms.sql.expression.SQLExpression
lowestOperator, mapping, parameterName, st, stmt, subExprs, table
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Constructor Summary
ConstructorsConstructorDescriptionOptionalExpression
(SQLStatement stmt, SQLTable table, JavaTypeMapping mapping) -
Method Summary
Modifier and TypeMethodDescriptioninvoke
(String methodName, List<SQLExpression> args) Invocation of a method on this expression.Methods inherited from class org.datanucleus.store.rdbms.sql.expression.DelegatedExpression
add, div, eq, ge, getDelegate, gt, isParameter, le, lt, mod, mul, ne, sub, toSQLText
Methods inherited from class org.datanucleus.store.rdbms.sql.expression.SQLExpression
and, bitAnd, bitOr, cast, com, distinct, encloseInParentheses, eor, getJavaTypeMapping, getLowestOperator, getNumberOfSubExpressions, getParameterName, getSQLStatement, getSQLTable, getSubExpression, in, ior, is, neg, not, setJavaTypeMapping, unDistinct
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Constructor Details
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OptionalExpression
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Method Details
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invoke
Description copied from class:SQLExpression
Invocation of a method on this expression.- Overrides:
invoke
in classSingleCollectionExpression
- Parameters:
methodName
- name of the method to invokeargs
- Args to this method (if any)- Returns:
- the converted value
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