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
- See Also:
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Nested Class Summary
Modifier and TypeClassDescriptionstatic enum
Available components of date/time. -
Field Summary
Fields inherited from class org.apache.cayenne.exp.parser.ASTFunctionCall
functionName
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, CUSTOM_OP, DB_PATH, DBID_PATH, DIVIDE, 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, SUBQUERY, SUBTRACT, TRUE, type
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Constructor Summary
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Method Summary
Modifier and TypeMethodDescriptionprotected void
protected Object
evaluateSubNode
(Object o, Object[] evaluatedChildren) getPart()
protected int
void
This method is used by FunctionExpressionFactoryCreates 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, setFunctionName
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
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Constructor Details
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ASTExtract
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Method Details
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getFunctionName
- Overrides:
getFunctionName
in classASTFunctionCall
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appendFunctionNameAsString
- Overrides:
appendFunctionNameAsString
in classASTFunctionCall
- Throws:
IOException
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setPart
This method is used by FunctionExpressionFactory- Parameters:
part
- date/time part to extract
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getPart
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getPartCamelCaseName
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shallowCopy
Description copied from class:Expression
Creates a copy of this expression node, without copying children.- Specified by:
shallowCopy
in classExpression
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getRequiredChildrenCount
protected int getRequiredChildrenCount()- Specified by:
getRequiredChildrenCount
in classEvaluatedNode
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evaluateSubNode
- Specified by:
evaluateSubNode
in classEvaluatedNode
- Throws:
Exception
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