Package org.apache.cayenne.exp.parser
Class ASTExtract
java.lang.Object
org.apache.cayenne.exp.Expression
org.apache.cayenne.exp.parser.SimpleNode
org.apache.cayenne.exp.parser.EvaluatedNode
org.apache.cayenne.exp.parser.ASTFunctionCall
org.apache.cayenne.exp.parser.ASTExtract
- All Implemented Interfaces:
Serializable
,Node
,XMLSerializable
public class ASTExtract extends ASTFunctionCall
- See Also:
- Serialized Form
-
Nested Class Summary
Nested Classes Modifier and Type Class Description static class
ASTExtract.DateTimePart
Available components of date/time. -
Field Summary
Fields inherited from class org.apache.cayenne.exp.parser.SimpleNode
children, id, parent
Fields inherited from class org.apache.cayenne.exp.Expression
ADD, AND, ASTERISK, BETWEEN, BITWISE_AND, BITWISE_LEFT_SHIFT, BITWISE_NOT, BITWISE_OR, BITWISE_RIGHT_SHIFT, BITWISE_XOR, DB_PATH, DIVIDE, EQUAL_TO, 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_IN, NOT_LIKE, NOT_LIKE_IGNORE_CASE, OBJ_PATH, OR, PRUNED_NODE, SUBTRACT, TRUE, type
-
Constructor Summary
Constructors Constructor Description ASTExtract(Expression expression)
-
Method Summary
Modifier and Type Method Description protected void
appendFunctionNameAsString(Appendable out)
protected Object
evaluateSubNode(Object o, Object[] evaluatedChildren)
String
getFunctionName()
ASTExtract.DateTimePart
getPart()
String
getPartCamelCaseName()
protected int
getRequiredChildrenCount()
void
setPart(ASTExtract.DateTimePart part)
This method is used by FunctionExpressionFactoryExpression
shallowCopy()
Creates a copy of this expression node, without copying children.Methods inherited from class org.apache.cayenne.exp.parser.ASTFunctionCall
appendAsEJBQL, appendAsString, equals, getExpressionOperator, getType, hashCode, nameToCamelCase, needParenthesis
Methods inherited from class org.apache.cayenne.exp.parser.EvaluatedNode
evaluateNode
Methods inherited from class org.apache.cayenne.exp.parser.SimpleNode
appendAsEJBQL, appendAsEscapedString, appendChildrenAsEJBQL, appendScalarAsString, connectChildren, encodeScalarAsEJBQL, evaluate, evaluateChild, expName, flattenTree, getEJBQLExpressionOperator, getOperand, getOperandCount, getPathAliases, jjtAddChild, jjtClose, jjtGetChild, jjtGetNumChildren, jjtGetParent, jjtOpen, jjtSetParent, notExp, pruneNodeForPrunedChild, setOperand, unwrapChild, wrapChild
Methods inherited from class org.apache.cayenne.exp.Expression
andExp, andExp, deepCopy, encodeAsXML, filter, filterObjects, first, joinExp, joinExp, match, orExp, orExp, params, params, paramsArray, setType, toEJBQL, toEJBQL, toString, transform, transformExpression, traverse, traverse
-
Constructor Details
-
ASTExtract
-
-
Method Details
-
getFunctionName
- Overrides:
getFunctionName
in classASTFunctionCall
-
appendFunctionNameAsString
- Overrides:
appendFunctionNameAsString
in classASTFunctionCall
- Throws:
IOException
-
setPart
This method is used by FunctionExpressionFactory- Parameters:
part
- date/time part to extract
-
getPart
-
getPartCamelCaseName
-
shallowCopy
Description copied from class:Expression
Creates a copy of this expression node, without copying children.- Specified by:
shallowCopy
in classExpression
-
getRequiredChildrenCount
protected int getRequiredChildrenCount()- Specified by:
getRequiredChildrenCount
in classEvaluatedNode
-
evaluateSubNode
- Specified by:
evaluateSubNode
in classEvaluatedNode
- Throws:
Exception
-