Class OpExpressionNode

java.lang.Object

org.apache.cayenne.access.sqlbuilder.sqltree.Node

org.apache.cayenne.access.sqlbuilder.sqltree.ExpressionNode

org.apache.cayenne.access.sqlbuilder.sqltree.OpExpressionNode

public class OpExpressionNode
extends ExpressionNode

Since:

4.2

Field Summary

Fields inherited from class Node

children, childrenCount, parent, type

Constructor Summary

Constructors

Constructor	Description
OpExpressionNode(String op)

Method Summary

Modifier and Type	Method	Description
void	appendChildrenSeparator(SQLAppendable buffer, int childInd)
Node	copy()
boolean	equals(Object o)
String	getOp()
int	hashCode()
protected boolean	isComparison()
protected String	logicalOperator()

Methods inherited from class ExpressionNode

append, appendChildrenEnd, appendChildrenStart, needsParentheses, toString

Methods inherited from class Node

addChild, addChild, deepCopy, deepEquals, getChild, getChildrenCount, getParent, getType, replaceChild, setParent, visit

Methods inherited from class Object

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

Constructor Details

OpExpressionNode

public OpExpressionNode(String op)

Method Details

appendChildrenSeparator

public void appendChildrenSeparator(SQLAppendable buffer,
 int childInd)

Overrides:

appendChildrenSeparator in class Node

logicalOperator

protected String logicalOperator()

Overrides:

logicalOperator in class ExpressionNode

Returns:

"AND" or "OR" if this node is a logical connective, otherwise null.

isComparison

protected boolean isComparison()

Overrides:

isComparison in class ExpressionNode

Returns:

true for comparison operators that bind tighter than AND/OR and therefore don't need parentheses when nested directly under them.

copy

public Node copy()

Overrides:

copy in class ExpressionNode

getOp

public String getOp()

equals

public boolean equals(Object o)

Overrides:

equals in class Node

hashCode

public int hashCode()

Overrides:

hashCode in class Node