Class ASTSubtract

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.EvaluatedMathNode

org.apache.cayenne.exp.parser.ASTSubtract

All Implemented Interfaces:

Serializable, Node, XMLSerializable

public class ASTSubtract
extends EvaluatedMathNode

"Subtract" expression.

Since:

1.1

See Also:

• Serialized Form

Field Summary

Fields inherited from class SimpleNode

children, id, parent

Fields inherited from class 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

Constructor	Description
ASTSubtract()
ASTSubtract(Object... nodes)
ASTSubtract(Collection<?> nodes)

Method Summary

Modifier and Type	Method	Description
protected String	getExpressionOperator(int index)
int	getType()	Returns a type of expression.
void	jjtClose()	Called after all the child nodes have been added.
protected BigDecimal	op(BigDecimal result, BigDecimal arg)
Expression	shallowCopy()	Creates a copy of this expression node, without copying children.

Methods inherited from class EvaluatedMathNode

evaluateSubNode, getRequiredChildrenCount

Methods inherited from class EvaluatedNode

evaluateNode

Methods inherited from class SimpleNode

appendAsEJBQL, appendAsEJBQL, appendAsEscapedString, appendAsString, appendChildrenAsEJBQL, appendScalarAsString, connectChildren, encodeScalarAsEJBQL, evaluate, evaluateChild, exists, expName, flattenTree, getEJBQLExpressionOperator, getOperand, getOperandCount, getPathAliases, isValidParent, jjtAddChild, jjtGetChild, jjtGetNumChildren, jjtGetParent, jjtOpen, jjtSetParent, notExists, notExp, numericToString, pruneNodeForPrunedChild, setOperand, unwrapChild, wrapChild

Methods inherited from class 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

Methods inherited from class Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Details

ASTSubtract

public ASTSubtract()

ASTSubtract

public ASTSubtract(Object... nodes)

ASTSubtract

public ASTSubtract(Collection<?> nodes)

Method Details

op

protected BigDecimal op(BigDecimal result,
 BigDecimal arg)

Specified by:

op in class EvaluatedMathNode

shallowCopy

public Expression shallowCopy()

Creates a copy of this expression node, without copying children.

Specified by:

shallowCopy in class Expression

getExpressionOperator

protected String getExpressionOperator(int index)

Specified by:

getExpressionOperator in class SimpleNode

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 class Expression

jjtClose

public void jjtClose()

Description copied from interface: Node

Called after all the child nodes have been added.

Specified by:

jjtClose in interface Node

Overrides:

jjtClose in class SimpleNode