org.mmbase.storage.search.legacy

Class DBLogicalOperator

java.lang.Object

org.mmbase.storage.search.legacy.ParseItem

org.mmbase.storage.search.legacy.DBLogicalOperator

class DBLogicalOperator
extends ParseItem

Class for conversion of operators to their SQL equivalent. This class converts:
'+' to 'AND'
'-' to 'AND NOT'
'|' to 'OR'

Field Summary

Fields

Modifier and Type	Field and Description
static char	AND
(package private) char	logOperator
static char	NOT
static char	OR

Constructor Summary

Constructors

Constructor and Description
DBLogicalOperator(char operator)
DBLogicalOperator(String operator) Creates the operator

Method Summary

Modifier and Type	Method and Description
void	sqlConversion(StringBuffer result) Appends the converted operator to the stringbuffer.

Methods inherited from class org.mmbase.storage.search.legacy.ParseItem

toString

Methods inherited from class java.lang.Object

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

Field Detail

AND

public static final char AND

See Also:

Constant Field Values

NOT

public static final char NOT

See Also:

Constant Field Values

OR

public static final char OR

See Also:

Constant Field Values

logOperator

char logOperator

Constructor Detail

DBLogicalOperator

public DBLogicalOperator(String operator)

Creates the operator

DBLogicalOperator

public DBLogicalOperator(char operator)

Method Detail

sqlConversion

public void sqlConversion(StringBuffer result)

Appends the converted operator to the stringbuffer.

Overrides:

sqlConversion in class ParseItem

Parameters:

result - the stringbuffer to which to add the operator