Class Comparer

Known Direct Subclasses:: DescendingComparer, DoubleComparer, LowercaseFirstComparer, TextComparer, UppercaseFirstComparer

public abstract class Comparer

extends Object

A Comparer used for comparing keys

Method Summary
`abstract int`	`compare(Object a, Object b)` Compare two objects.
`Comparer`	`setDataType(String dataTypeURI, String dataTypeLocalName)` Set data type.
`Comparer`	`setOrder(boolean isAscending)` Set order.

public abstract int compare(Object a,
                            Object b)

Compare two objects.
Returns:
<0 if a0 if a>b

public Comparer setDataType(String dataTypeURI,
                            String dataTypeLocalName)

Set data type. The comparer has the option of returning a different comparer once it knows the data type

public Comparer setOrder(boolean isAscending)

Set order. The comparer has the option of returning a different comparer

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Method Summary