Package org.apache.cayenne.exp.parser
Class ASTSubstring
- java.lang.Object
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- org.apache.cayenne.exp.Expression
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- org.apache.cayenne.exp.parser.SimpleNode
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- org.apache.cayenne.exp.parser.EvaluatedNode
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- org.apache.cayenne.exp.parser.ASTFunctionCall
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- org.apache.cayenne.exp.parser.ASTSubstring
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- All Implemented Interfaces:
Serializable
,Node
,XMLSerializable
public class ASTSubstring extends ASTFunctionCall
- Since:
- 4.0
- See Also:
- Serialized Form
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Field Summary
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Fields inherited from class org.apache.cayenne.exp.parser.ASTFunctionCall
functionName
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Fields inherited from class org.apache.cayenne.exp.parser.SimpleNode
children, id, parent
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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
Constructors Constructor Description ASTSubstring(Expression path, Expression length, Expression offset)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description protected Object
evaluateSubNode(Object o, Object[] evaluatedChildren)
protected int
getRequiredChildrenCount()
Expression
shallowCopy()
Creates a copy of this expression node, without copying children.-
Methods inherited from class org.apache.cayenne.exp.parser.ASTFunctionCall
appendAsEJBQL, appendAsString, appendFunctionNameAsString, equals, getExpressionOperator, getFunctionName, getType, hashCode, nameToCamelCase, needParenthesis, setFunctionName
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Methods inherited from class org.apache.cayenne.exp.parser.EvaluatedNode
evaluateNode
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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
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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 Detail
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ASTSubstring
public ASTSubstring(Expression path, Expression length, Expression offset)
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Method Detail
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evaluateSubNode
protected Object evaluateSubNode(Object o, Object[] evaluatedChildren) throws Exception
- Specified by:
evaluateSubNode
in classEvaluatedNode
- Throws:
Exception
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getRequiredChildrenCount
protected int getRequiredChildrenCount()
- Specified by:
getRequiredChildrenCount
in classEvaluatedNode
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shallowCopy
public Expression 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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