org.springframework.ldap.filter
Class BinaryLogicalFilter

java.lang.Object
  org.springframework.ldap.filter.AbstractFilter
      org.springframework.ldap.filter.BinaryLogicalFilter

All Implemented Interfaces:

Filter

Direct Known Subclasses:

AndFilter, OrFilter

public abstract class BinaryLogicalFilter
extends AbstractFilter

Abstract superclass for binary logical operations, that is "AND" and "OR" operations.

Author:

Mattias Hellborg Arthursson

Field Summary

protected List

queryList

Constructor Summary

BinaryLogicalFilter()

Method Summary

BinaryLogicalFilter	append(Filter query) Add a query to this logical operation.
StringBuffer	encode(StringBuffer buff) Encodes the filter to a StringBuffer.
boolean	equals(Object obj) Compares each filter in turn.
protected abstract String	getLogicalOperator() Implement this in subclass to return the logical operator, for example &qout;&&qout;.
int	hashCode() Hashes all contained data.

Methods inherited from class org.springframework.ldap.filter.AbstractFilter

encode, toString

Methods inherited from class java.lang.Object

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

Field Detail

queryList

protected List queryList

Constructor Detail

BinaryLogicalFilter

public BinaryLogicalFilter()

Method Detail

encode

public StringBuffer encode(StringBuffer buff)

Description copied from interface: Filter

Encodes the filter to a StringBuffer.

Specified by:

encode in interface Filter

Specified by:

encode in class AbstractFilter

Parameters:

buff - The StringBuffer to encode the filter to

Returns:

The same StringBuffer as was given

getLogicalOperator

protected abstract String getLogicalOperator()

Implement this in subclass to return the logical operator, for example &qout;&&qout;.

Returns:

the logical operator.

equals

public boolean equals(Object obj)

Compares each filter in turn.

Specified by:

equals in interface Filter

Overrides:

equals in class Object

Returns:

true if the objects are equal.

See Also:

Filter.equals(java.lang.Object)

hashCode

public int hashCode()

Hashes all contained data.

Specified by:

hashCode in interface Filter

Overrides:

hashCode in class Object

Returns:

the hash code according to the contract in Object.hashCode()

See Also:

Filter.hashCode()

append

public final BinaryLogicalFilter append(Filter query)

Add a query to this logical operation.

Parameters:

query - the query to add.

Returns:

This instance.