ASTAvg (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.ASTFunctionCall
      - org.apache.cayenne.exp.parser.ASTAggregateFunctionCall
        
        org.apache.cayenne.exp.parser.ASTAvg

All Implemented Interfaces:

Serializable, Node, XMLSerializable
```
public class ASTAvg
extends ASTAggregateFunctionCall
```
Since:

4.0

See Also:

Serialized Form

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

Constructor Summary

Constructors
Constructor Description

ASTAvg(Expression expression)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`protected Object`	`evaluateCollection(Collection<?> values)`
`Expression`	`shallowCopy()`	Creates a copy of this expression node, without copying children.

Methods inherited from class org.apache.cayenne.exp.parser.ASTAggregateFunctionCall
evaluateNode, evaluateSubNode, getRequiredChildrenCount

Methods inherited from class org.apache.cayenne.exp.parser.ASTFunctionCall
appendAsEJBQL, appendAsString, appendFunctionNameAsString, equals, getExpressionOperator, getFunctionName, getType, hashCode, nameToCamelCase, needParenthesis, setFunctionName

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

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

- Constructor Detail
  - ASTAvg
```
public ASTAvg(Expression expression)
```
- Method Detail
  - shallowCopy
```
public Expression shallowCopy()
```
    Description copied from class: Expression
    
    Creates a copy of this expression node, without copying children.
    
    Specified by:
    
    shallowCopy in class Expression
  - evaluateCollection
```
protected Object evaluateCollection(Collection<?> values)
```
    Overrides:
    
    evaluateCollection in class ASTAggregateFunctionCall