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java.lang.Objectorg.jpox.store.expression.ScalarExpression
org.jpox.store.expression.CollectionSubqueryExpression
An expression for collections whose contents are expressed as a SQL subquery.
Nested Class Summary |
Nested classes inherited from class org.jpox.store.expression.ScalarExpression |
ScalarExpression.DyadicOperator, ScalarExpression.ExpressionList, ScalarExpression.FieldExpression, ScalarExpression.IllegalArgumentTypeException, ScalarExpression.IllegalOperationException, ScalarExpression.MethodInvocationException, ScalarExpression.MonadicOperator, ScalarExpression.Operator |
Field Summary |
Fields inherited from class org.jpox.store.expression.ScalarExpression |
aliasIdentifier, expressionList, FILTER, LOCALISER, lowestOperator, mapping, OP_ADD, OP_AND, OP_BETWEEN, OP_COM, OP_CONCAT, OP_DIV, OP_EQ, OP_GT, OP_GTEQ, OP_IN, OP_IS, OP_ISNOT, OP_LIKE, OP_LT, OP_LTEQ, OP_MOD, OP_MUL, OP_NEG, OP_NOT, OP_NOTEQ, OP_OR, OP_SUB, PROJECTION, qs, st, te |
Constructor Summary | |
CollectionSubqueryExpression(QueryExpression qs,
QueryExpression subquery)
Constructor. |
Method Summary | |
BooleanExpression |
containsMethod(ScalarExpression expr)
Contains method |
BooleanExpression |
isEmptyMethod()
isEmpty method |
Methods inherited from class org.jpox.store.expression.ScalarExpression |
accessField, add, and, as, callMethod, cast, com, div, encloseWithInParentheses, eor, eq, equals, getAlias, getExpressionList, getLogicSetExpression, getMapping, getNonAliasExpression, getQueryExpression, gt, gteq, in, instanceOf, ior, lt, lteq, mod, mul, neg, not, noteq, sub, toStatementText, toString |
Methods inherited from class java.lang.Object |
clone, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Constructor Detail |
public CollectionSubqueryExpression(QueryExpression qs, QueryExpression subquery)
qs
- The main Query Statementsubquery
- The subquery Query Statement.Method Detail |
public BooleanExpression containsMethod(ScalarExpression expr)
expr
- the searched value represented by the expression
expr
public BooleanExpression isEmptyMethod()
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