Package org.apache.cayenne.exp.parser
Class ASTExists
- 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.ConditionNode
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- org.apache.cayenne.exp.parser.ASTExists
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- All Implemented Interfaces:
Serializable
,Node
,XMLSerializable
public class ASTExists extends ConditionNode
- Since:
- 4.2
- See Also:
- Serialized Form
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Field Summary
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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 ASTExists(ASTSubquery subquery)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description protected Boolean
evaluateSubNode(Object o, Object[] evaluatedChildren)
protected String
getExpressionOperator(int index)
protected int
getRequiredChildrenCount()
int
getType()
Returns a type of expression.Expression
shallowCopy()
Creates a copy of this expression node, without copying children.-
Methods inherited from class org.apache.cayenne.exp.parser.ConditionNode
evaluateNode, jjtSetParent
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Methods inherited from class org.apache.cayenne.exp.parser.SimpleNode
appendAsEJBQL, appendAsEJBQL, appendAsEscapedString, appendAsString, appendChildrenAsEJBQL, appendScalarAsString, connectChildren, encodeScalarAsEJBQL, evaluate, evaluateChild, expName, flattenTree, getEJBQLExpressionOperator, getOperand, getOperandCount, getPathAliases, jjtAddChild, jjtClose, jjtGetChild, jjtGetNumChildren, jjtGetParent, jjtOpen, notExp, pruneNodeForPrunedChild, setOperand, unwrapChild, wrapChild
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Methods inherited from class org.apache.cayenne.exp.Expression
andExp, andExp, deepCopy, encodeAsXML, equals, filter, filterObjects, first, hashCode, 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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ASTExists
public ASTExists(ASTSubquery subquery)
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Method Detail
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getRequiredChildrenCount
protected int getRequiredChildrenCount()
- Specified by:
getRequiredChildrenCount
in classConditionNode
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evaluateSubNode
protected Boolean evaluateSubNode(Object o, Object[] evaluatedChildren) throws Exception
- Specified by:
evaluateSubNode
in classConditionNode
- Throws:
Exception
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getExpressionOperator
protected String getExpressionOperator(int index)
- Specified by:
getExpressionOperator
in classSimpleNode
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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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getType
public int getType()
Description copied from class:Expression
Returns a type of expression. Most common types are defined as public static fields of this interface.- Overrides:
getType
in classExpression
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