org.apache.cayenne.exp
Class TernaryExpression

java.lang.Object
  org.apache.cayenne.exp.Expression
      org.apache.cayenne.exp.TernaryExpression

All Implemented Interfaces:

java.io.Serializable, XMLSerializable

Deprecated. since 1.2

public class TernaryExpression
extends Expression

Generic ternary expression. Describes expression in a form: "doSomething(operand1, operand2, operand3)". SQL example of ternary expression is BETWEEN expression.

See Also:

Serialized Form

Field Summary

protected java.lang.Object	operand0 Deprecated.
protected java.lang.Object	operand1 Deprecated.
protected java.lang.Object	operand2 Deprecated.

Fields inherited from class org.apache.cayenne.exp.Expression

ADD, ALL, AND, ANY, AVG, BETWEEN, COUNT, DB_PATH, DIVIDE, EQUAL_TO, EXISTS, GREATER_THAN, GREATER_THAN_EQUAL_TO, IN, LESS_THAN, LESS_THAN_EQUAL_TO, LIKE, LIKE_IGNORE_CASE, LIST, MAX, MIN, MULTIPLY, NEGATIVE, NOT, NOT_BETWEEN, NOT_EQUAL_TO, NOT_IN, NOT_LIKE, NOT_LIKE_IGNORE_CASE, OBJ_PATH, OR, POSITIVE, PRUNED_NODE, RAW_SQL, SOME, SUBQUERY, SUBTRACT, SUM, type

Constructor Summary

TernaryExpression()
Deprecated.

TernaryExpression(int type)
Deprecated.

Method Summary

void	encodeAsString(java.io.PrintWriter pw) Deprecated. Stores a String representation of Expression using a provided PrintWriter.
java.lang.Object	evaluate(java.lang.Object o) Deprecated. Calculates expression value with object as a context for path expressions.
protected void	flattenTree() Deprecated. Restructures expression to make sure that there are no children of the same type as this expression.
java.lang.Object	getOperand(int index) Deprecated. Returns a value of operand at index.
int	getOperandCount() Deprecated. Returns a count of operands of this expression.
Expression	notExp() Deprecated. Returns a logical NOT of current expression.
protected boolean	pruneNodeForPrunedChild(java.lang.Object prunedChild) Deprecated. Returns true if this node should be pruned from expression tree in the event a child is removed.
void	setOperand(int index, java.lang.Object value) Deprecated. Sets a value of operand at index.
Expression	shallowCopy() Deprecated. Creates a copy of this expression node, without copying children.

Methods inherited from class org.apache.cayenne.exp.Expression

andExp, deepCopy, encodeAsXML, equals, expName, expWithParameters, expWithParameters, filter, filterObjects, fromString, getType, joinExp, match, orExp, setType, toString, transform, transformExpression, traverse, traverse

Methods inherited from class java.lang.Object

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

Field Detail

operand0

protected java.lang.Object operand0

Deprecated.

operand1

protected java.lang.Object operand1

Deprecated.

operand2

protected java.lang.Object operand2

Deprecated.

Constructor Detail

TernaryExpression

public TernaryExpression()

Deprecated.

TernaryExpression

public TernaryExpression(int type)

Deprecated.

Method Detail

notExp

public Expression notExp()

Deprecated.

Description copied from class: Expression

Returns a logical NOT of current expression.

Specified by:

notExp in class Expression

evaluate

public java.lang.Object evaluate(java.lang.Object o)

Deprecated.

Description copied from class: Expression

Calculates expression value with object as a context for path expressions.

Specified by:

evaluate in class Expression

flattenTree

protected void flattenTree()

Deprecated.

Description copied from class: Expression

Restructures expression to make sure that there are no children of the same type as this expression.

Specified by:

flattenTree in class Expression

pruneNodeForPrunedChild

protected boolean pruneNodeForPrunedChild(java.lang.Object prunedChild)

Deprecated.

Description copied from class: Expression

Returns true if this node should be pruned from expression tree in the event a child is removed.

Specified by:

pruneNodeForPrunedChild in class Expression

getOperandCount

public final int getOperandCount()

Deprecated.

Description copied from class: Expression

Returns a count of operands of this expression. In real life there are unary (count == 1), binary (count == 2) and ternary (count == 3) expressions.

Specified by:

getOperandCount in class Expression

shallowCopy

public Expression shallowCopy()

Deprecated.

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

Specified by:

shallowCopy in class Expression

Since:

1.1

getOperand

public java.lang.Object getOperand(int index)

Deprecated.

Description copied from class: Expression

Returns a value of operand at index. Operand indexing starts at 0.

Specified by:

getOperand in class Expression

setOperand

public void setOperand(int index,
                       java.lang.Object value)

Deprecated.

Description copied from class: Expression

Sets a value of operand at index. Operand indexing starts at 0.

Specified by:

setOperand in class Expression

encodeAsString

public void encodeAsString(java.io.PrintWriter pw)

Deprecated.

Description copied from class: Expression

Stores a String representation of Expression using a provided PrintWriter.

Specified by:

encodeAsString in class Expression

Since:

1.1