ASTSubtract (cayenne-doc: Cayenne Documentation 4.2 API)

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 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

Constructor Summary

Constructors
Constructor Description

ASTSubtract()

ASTSubtract(Object... nodes)

ASTSubtract(Collection<?> nodes)

Method Summary

All Methods Instance Methods Concrete Methods
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 org.apache.cayenne.exp.parser.EvaluatedMathNode
evaluateSubNode, getRequiredChildrenCount

Methods inherited from class org.apache.cayenne.exp.parser.EvaluatedNode
evaluateNode

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, jjtGetChild, jjtGetNumChildren, jjtGetParent, jjtOpen, jjtSetParent, notExp, pruneNodeForPrunedChild, setOperand, unwrapChild, wrapChild

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

Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait

- Constructor Detail
  - ASTSubtract
```
public ASTSubtract()
```
  - ASTSubtract
```
public ASTSubtract(Object... nodes)
```
  - ASTSubtract
```
public ASTSubtract(Collection<?> nodes)
```
- Method Detail
  - 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