Package org.apache.cayenne.exp.parser
Class ConditionNode
java.lang.Object
org.apache.cayenne.exp.Expression
org.apache.cayenne.exp.parser.SimpleNode
org.apache.cayenne.exp.parser.ConditionNode
- All Implemented Interfaces:
Serializable,Node,XMLSerializable
- Direct Known Subclasses:
ASTAll,ASTAny,ASTBetween,ASTEqual,ASTExists,ASTFalse,ASTGreater,ASTGreaterOrEqual,ASTIn,ASTLess,ASTLessOrEqual,ASTNotBetween,ASTNotEqual,ASTNotExists,ASTNotIn,ASTTrue,PatternMatchNode
Superclass of conditional expressions.
- Since:
- 1.1
- See Also:
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Field Summary
Fields inherited from class org.apache.cayenne.exp.parser.SimpleNode
children, id, parentFields inherited from class org.apache.cayenne.exp.Expression
ADD, ALL, AND, ANY, ASTERISK, BETWEEN, BITWISE_AND, BITWISE_LEFT_SHIFT, BITWISE_NOT, BITWISE_OR, BITWISE_RIGHT_SHIFT, BITWISE_XOR, CASE_WHEN, CUSTOM_OP, DB_PATH, DBID_PATH, DIVIDE, ELSE, ENCLOSING_OBJECT, EQUAL_TO, EXISTS, FALSE, FULL_OBJECT, FUNCTION_CALL, GREATER_THAN, GREATER_THAN_EQUAL_TO, IN, LESS_THAN, LESS_THAN_EQUAL_TO, LIKE, LIKE_IGNORE_CASE, LIST, MULTIPLY, NEGATIVE, NOT, NOT_BETWEEN, NOT_EQUAL_TO, NOT_EXISTS, NOT_IN, NOT_LIKE, NOT_LIKE_IGNORE_CASE, OBJ_PATH, OR, PRUNED_NODE, SCALAR, SUBQUERY, SUBTRACT, THEN, TRUE, type, WHEN -
Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionprotected ObjectEvaluates itself with object, pushing result on the stack.protected abstract BooleanevaluateSubNode(Object o, Object[] evaluatedChildren) exists()Returns expression that will be dynamically resolved to proper subqueries based on a relationships used (if no relationships are present in the original expression no subqueries will be used).protected abstract intprotected booleanAdditional parent check that we can't handle properly in the grammar By default it just returns true.Returns expression that will be dynamically resolved to proper subqueries based on a relationships used (if no relationships are present in the original expression no subqueries will be used).Methods inherited from class org.apache.cayenne.exp.parser.SimpleNode
appendAsEJBQL, appendAsEJBQL, appendAsEscapedString, appendAsString, appendChildrenAsEJBQL, appendScalarAsString, connectChildren, encodeScalarAsEJBQL, evaluate, evaluateChild, expName, flattenTree, getEJBQLExpressionOperator, getExpressionOperator, getOperand, getOperandCount, getPathAliases, jjtAddChild, jjtClose, jjtGetChild, jjtGetNumChildren, jjtGetParent, jjtOpen, jjtSetParent, notExp, pruneNodeForPrunedChild, setOperand, unwrapChild, wrapChildMethods inherited from class org.apache.cayenne.exp.Expression
andExp, andExp, deepCopy, encodeAsXML, equals, filter, filterObjects, first, getType, hashCode, joinExp, joinExp, match, orExp, orExp, params, params, paramsArray, setType, shallowCopy, toEJBQL, toEJBQL, toString, transform, transformExpression, traverse, traverse
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Constructor Details
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ConditionNode
public ConditionNode(int i)
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Method Details
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isValidParent
Description copied from class:SimpleNodeAdditional parent check that we can't handle properly in the grammar By default it just returns true.- Overrides:
isValidParentin classSimpleNode- Parameters:
n- potential parent node to check- Returns:
- true if node could be set as a parent for the current node
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evaluateNode
Description copied from class:SimpleNodeEvaluates itself with object, pushing result on the stack.- Specified by:
evaluateNodein classSimpleNode- Throws:
Exception
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getRequiredChildrenCount
protected abstract int getRequiredChildrenCount() -
evaluateSubNode
- Throws:
Exception
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exists
Returns expression that will be dynamically resolved to proper subqueries based on a relationships used (if no relationships are present in the original expression no subqueries will be used).- Overrides:
existsin classSimpleNode- Returns:
- exists expression
- Since:
- 5.0
- See Also:
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notExists
Returns expression that will be dynamically resolved to proper subqueries based on a relationships used (if no relationships are present in the original expression no subqueries will be used).- Overrides:
notExistsin classSimpleNode- Returns:
- not exists expression
- Since:
- 5.0
- See Also:
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