com.unboundid.ldap.matchingrules
Class MatchingRule

java.lang.Object
  extended by com.unboundid.ldap.matchingrules.MatchingRule
All Implemented Interfaces:
java.io.Serializable
Direct Known Subclasses:
BooleanMatchingRule, CaseIgnoreListMatchingRule, DistinguishedNameMatchingRule, GeneralizedTimeMatchingRule, IntegerMatchingRule, SimpleMatchingRule

public abstract class MatchingRule
extends java.lang.Object
implements java.io.Serializable

This class defines the API for an LDAP matching rule, which may be used to determine whether two values are equal to each other, and to normalize values so that they may be more easily compared.

See Also:
Serialized Form

Field Summary
static byte SUBSTRING_TYPE_SUBANY
          The substring element type used for subAny substring assertion components.
static byte SUBSTRING_TYPE_SUBFINAL
          The substring element type used for subFinal substring assertion components.
static byte SUBSTRING_TYPE_SUBINITIAL
          The substring element type used for subInitial substring assertion components.
 
Constructor Summary
protected MatchingRule()
          Creates a new instance of this matching rule.
 
Method Summary
abstract  int compareValues(ASN1OctetString value1, ASN1OctetString value2)
          Compares the provided values to determine their relative order in a sorted list.
static MatchingRule getDefaultEqualityMatchingRule()
          Retrieves the default matching rule that will be used for equality matching if no other matching rule is specified or available.
static MatchingRule getDefaultOrderingMatchingRule()
          Retrieves the default matching rule that will be used for ordering matching if no other matching rule is specified or available.
static MatchingRule getDefaultSubstringMatchingRule()
          Retrieves the default matching rule that will be used for substring matching if no other matching rule is specified or available.
abstract  java.lang.String getEqualityMatchingRuleName()
          Retrieves the name for this matching rule when used to perform equality matching, if appropriate.
 java.lang.String getEqualityMatchingRuleNameOrOID()
          Retrieves the name for this matching rule when used to perform equality matching if defined, or the OID if no name is available.
abstract  java.lang.String getEqualityMatchingRuleOID()
          Retrieves the OID for this matching rule when used to perform equality matching, if appropriate.
abstract  java.lang.String getOrderingMatchingRuleName()
          Retrieves the name for this matching rule when used to perform ordering matching, if appropriate.
 java.lang.String getOrderingMatchingRuleNameOrOID()
          Retrieves the name for this matching rule when used to perform ordering matching if defined, or the OID if no name is available.
abstract  java.lang.String getOrderingMatchingRuleOID()
          Retrieves the OID for this matching rule when used to perform ordering matching, if appropriate.
abstract  java.lang.String getSubstringMatchingRuleName()
          Retrieves the name for this matching rule when used to perform substring matching, if appropriate.
 java.lang.String getSubstringMatchingRuleNameOrOID()
          Retrieves the name for this matching rule when used to perform substring matching if defined, or the OID if no name is available.
abstract  java.lang.String getSubstringMatchingRuleOID()
          Retrieves the OID for this matching rule when used to perform substring matching, if appropriate.
abstract  boolean matchesSubstring(ASN1OctetString value, ASN1OctetString subInitial, ASN1OctetString[] subAny, ASN1OctetString subFinal)
          Indicates whether the provided value matches the given substring assertion, according to the constraints of this matching rule.
abstract  ASN1OctetString normalize(ASN1OctetString value)
          Normalizes the provided value for easier matching.
abstract  ASN1OctetString normalizeSubstring(ASN1OctetString value, byte substringType)
          Normalizes the provided value for use as part of a substring assertion.
static MatchingRule selectEqualityMatchingRule(java.lang.String ruleID)
          Attempts to select the appropriate matching rule to use for equality matching using the specified matching rule.
static MatchingRule selectEqualityMatchingRule(java.lang.String attrName, Schema schema)
          Attempts to select the appropriate matching rule to use for equality matching against the specified attribute.
static MatchingRule selectEqualityMatchingRule(java.lang.String attrName, java.lang.String ruleID, Schema schema)
          Attempts to select the appropriate matching rule to use for equality matching against the specified attribute.
static MatchingRule selectMatchingRuleForSyntax(java.lang.String syntaxOID)
          Attempts to select the appropriate matching rule for use with the syntax with the specified OID.
static MatchingRule selectOrderingMatchingRule(java.lang.String ruleID)
          Attempts to select the appropriate matching rule to use for ordering matching using the specified matching rule.
static MatchingRule selectOrderingMatchingRule(java.lang.String attrName, Schema schema)
          Attempts to select the appropriate matching rule to use for ordering matching against the specified attribute.
static MatchingRule selectOrderingMatchingRule(java.lang.String attrName, java.lang.String ruleID, Schema schema)
          Attempts to select the appropriate matching rule to use for ordering matching against the specified attribute.
static MatchingRule selectSubstringMatchingRule(java.lang.String ruleID)
          Attempts to select the appropriate matching rule to use for substring matching using the specified matching rule.
static MatchingRule selectSubstringMatchingRule(java.lang.String attrName, Schema schema)
          Attempts to select the appropriate matching rule to use for substring matching against the specified attribute.
static MatchingRule selectSubstringMatchingRule(java.lang.String attrName, java.lang.String ruleID, Schema schema)
          Attempts to select the appropriate matching rule to use for substring matching against the specified attribute.
abstract  boolean valuesMatch(ASN1OctetString value1, ASN1OctetString value2)
          Indicates whether the provided values are equal to each other, according to the constraints of this matching rule.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

SUBSTRING_TYPE_SUBINITIAL

public static final byte SUBSTRING_TYPE_SUBINITIAL
The substring element type used for subInitial substring assertion components.

See Also:
Constant Field Values

SUBSTRING_TYPE_SUBANY

public static final byte SUBSTRING_TYPE_SUBANY
The substring element type used for subAny substring assertion components.

See Also:
Constant Field Values

SUBSTRING_TYPE_SUBFINAL

public static final byte SUBSTRING_TYPE_SUBFINAL
The substring element type used for subFinal substring assertion components.

See Also:
Constant Field Values
Constructor Detail

MatchingRule

protected MatchingRule()
Creates a new instance of this matching rule.

Method Detail

getEqualityMatchingRuleName

public abstract java.lang.String getEqualityMatchingRuleName()
Retrieves the name for this matching rule when used to perform equality matching, if appropriate.

Returns:
The name for this matching rule when used to perform equality matching, or null if this matching rule is not intended to be used for equality matching.

getEqualityMatchingRuleOID

public abstract java.lang.String getEqualityMatchingRuleOID()
Retrieves the OID for this matching rule when used to perform equality matching, if appropriate.

Returns:
The OID for this matching rule when used to perform equality matching, or null if this matching rule is not intended to be used for equality matching.

getEqualityMatchingRuleNameOrOID

public java.lang.String getEqualityMatchingRuleNameOrOID()
Retrieves the name for this matching rule when used to perform equality matching if defined, or the OID if no name is available.

Returns:
The name or OID for this matching rule when used to perform equality matching, or null if this matching rule cannot be used to perform equality matching.

getOrderingMatchingRuleName

public abstract java.lang.String getOrderingMatchingRuleName()
Retrieves the name for this matching rule when used to perform ordering matching, if appropriate.

Returns:
The name for this matching rule when used to perform ordering matching, or null if this matching rule is not intended to be used for ordering matching.

getOrderingMatchingRuleOID

public abstract java.lang.String getOrderingMatchingRuleOID()
Retrieves the OID for this matching rule when used to perform ordering matching, if appropriate.

Returns:
The OID for this matching rule when used to perform ordering matching, or null if this matching rule is not intended to be used for ordering matching.

getOrderingMatchingRuleNameOrOID

public java.lang.String getOrderingMatchingRuleNameOrOID()
Retrieves the name for this matching rule when used to perform ordering matching if defined, or the OID if no name is available.

Returns:
The name or OID for this matching rule when used to perform ordering matching, or null if this matching rule cannot be used to perform equality matching.

getSubstringMatchingRuleName

public abstract java.lang.String getSubstringMatchingRuleName()
Retrieves the name for this matching rule when used to perform substring matching, if appropriate.

Returns:
The name for this matching rule when used to perform substring matching, or null if this matching rule is not intended to be used for substring matching.

getSubstringMatchingRuleOID

public abstract java.lang.String getSubstringMatchingRuleOID()
Retrieves the OID for this matching rule when used to perform substring matching, if appropriate.

Returns:
The OID for this matching rule when used to perform substring matching, or null if this matching rule is not intended to be used for substring matching.

getSubstringMatchingRuleNameOrOID

public java.lang.String getSubstringMatchingRuleNameOrOID()
Retrieves the name for this matching rule when used to perform substring matching if defined, or the OID if no name is available.

Returns:
The name or OID for this matching rule when used to perform substring matching, or null if this matching rule cannot be used to perform equality matching.

valuesMatch

public abstract boolean valuesMatch(ASN1OctetString value1,
                                    ASN1OctetString value2)
                             throws LDAPException
Indicates whether the provided values are equal to each other, according to the constraints of this matching rule.

Parameters:
value1 - The first value for which to make the determination.
value2 - The second value for which to make the determination.
Returns:
true if the provided values are considered equal, or false if not.
Throws:
LDAPException - If a problem occurs while making the determination, or if this matching rule does not support equality matching.

matchesSubstring

public abstract boolean matchesSubstring(ASN1OctetString value,
                                         ASN1OctetString subInitial,
                                         ASN1OctetString[] subAny,
                                         ASN1OctetString subFinal)
                                  throws LDAPException
Indicates whether the provided value matches the given substring assertion, according to the constraints of this matching rule.

Parameters:
value - The value for which to make the determination.
subInitial - The subInitial portion of the substring assertion, or null if there is no subInitial element.
subAny - The subAny elements of the substring assertion, or null if there are no subAny elements.
subFinal - The subFinal portion of the substring assertion, or null if there is no subFinal element.
Returns:
true if the provided value matches the substring assertion, or false if not.
Throws:
LDAPException - If a problem occurs while making the determination, or if this matching rule does not support substring matching.

compareValues

public abstract int compareValues(ASN1OctetString value1,
                                  ASN1OctetString value2)
                           throws LDAPException
Compares the provided values to determine their relative order in a sorted list.

Parameters:
value1 - The first value to compare.
value2 - The second value to compare.
Returns:
A negative value if value1 should come before value2 in a sorted list, a positive value if value1 should come after value2 in a sorted list, or zero if the values are equal or there is no distinction between their orders in a sorted list.
Throws:
LDAPException - If a problem occurs while making the determination, or if this matching rule does not support ordering matching.

normalize

public abstract ASN1OctetString normalize(ASN1OctetString value)
                                   throws LDAPException
Normalizes the provided value for easier matching.

Parameters:
value - The value to be normalized.
Returns:
The normalized form of the provided value.
Throws:
LDAPException - If a problem occurs while normalizing the provided value.

normalizeSubstring

public abstract ASN1OctetString normalizeSubstring(ASN1OctetString value,
                                                   byte substringType)
                                            throws LDAPException
Normalizes the provided value for use as part of a substring assertion.

Parameters:
value - The value to be normalized for use as part of a substring assertion.
substringType - The substring assertion component type for the provided value. It should be one of SUBSTRING_TYPE_SUBINITIAL, SUBSTRING_TYPE_SUBANY, or SUBSTRING_TYPE_SUBFINAL.
Returns:
The normalized form of the provided value.
Throws:
LDAPException - If a problem occurs while normalizing the provided value.

selectEqualityMatchingRule

public static MatchingRule selectEqualityMatchingRule(java.lang.String attrName,
                                                      Schema schema)
Attempts to select the appropriate matching rule to use for equality matching against the specified attribute. If an appropriate matching rule cannot be determined, then the default equality matching rule will be selected.

Parameters:
attrName - The name of the attribute to examine in the provided schema.
schema - The schema to examine to make the appropriate determination. If this is null, then the default equality matching rule will be selected.
Returns:
The selected matching rule.

selectEqualityMatchingRule

public static MatchingRule selectEqualityMatchingRule(java.lang.String attrName,
                                                      java.lang.String ruleID,
                                                      Schema schema)
Attempts to select the appropriate matching rule to use for equality matching against the specified attribute. If an appropriate matching rule cannot be determined, then the default equality matching rule will be selected.

Parameters:
attrName - The name of the attribute to examine in the provided schema. It may be null if the matching rule should be selected using the matching rule ID.
ruleID - The OID of the desired matching rule. It may be null if the matching rule should be selected only using the attribute name. If a rule ID is provided, then it will be the only criteria used to select the matching rule.
schema - The schema to examine to make the appropriate determination. If this is null and no rule ID was provided, then the default equality matching rule will be selected.
Returns:
The selected matching rule.

selectEqualityMatchingRule

public static MatchingRule selectEqualityMatchingRule(java.lang.String ruleID)
Attempts to select the appropriate matching rule to use for equality matching using the specified matching rule. If an appropriate matching rule cannot be determined, then the default equality matching rule will be selected.

Parameters:
ruleID - The name or OID of the desired matching rule.
Returns:
The selected matching rule.

getDefaultEqualityMatchingRule

public static MatchingRule getDefaultEqualityMatchingRule()
Retrieves the default matching rule that will be used for equality matching if no other matching rule is specified or available. The rule returned will perform case-ignore string matching.

Returns:
The default matching rule that will be used for equality matching if no other matching rule is specified or available.

selectOrderingMatchingRule

public static MatchingRule selectOrderingMatchingRule(java.lang.String attrName,
                                                      Schema schema)
Attempts to select the appropriate matching rule to use for ordering matching against the specified attribute. If an appropriate matching rule cannot be determined, then the default ordering matching rule will be selected.

Parameters:
attrName - The name of the attribute to examine in the provided schema.
schema - The schema to examine to make the appropriate determination. If this is null, then the default ordering matching rule will be selected.
Returns:
The selected matching rule.

selectOrderingMatchingRule

public static MatchingRule selectOrderingMatchingRule(java.lang.String attrName,
                                                      java.lang.String ruleID,
                                                      Schema schema)
Attempts to select the appropriate matching rule to use for ordering matching against the specified attribute. If an appropriate matching rule cannot be determined, then the default ordering matching rule will be selected.

Parameters:
attrName - The name of the attribute to examine in the provided schema. It may be null if the matching rule should be selected using the matching rule ID.
ruleID - The OID of the desired matching rule. It may be null if the matching rule should be selected only using the attribute name. If a rule ID is provided, then it will be the only criteria used to select the matching rule.
schema - The schema to examine to make the appropriate determination. If this is null and no rule ID was provided, then the default ordering matching rule will be selected.
Returns:
The selected matching rule.

selectOrderingMatchingRule

public static MatchingRule selectOrderingMatchingRule(java.lang.String ruleID)
Attempts to select the appropriate matching rule to use for ordering matching using the specified matching rule. If an appropriate matching rule cannot be determined, then the default ordering matching rule will be selected.

Parameters:
ruleID - The name or OID of the desired matching rule.
Returns:
The selected matching rule.

getDefaultOrderingMatchingRule

public static MatchingRule getDefaultOrderingMatchingRule()
Retrieves the default matching rule that will be used for ordering matching if no other matching rule is specified or available. The rule returned will perform case-ignore string matching.

Returns:
The default matching rule that will be used for ordering matching if no other matching rule is specified or available.

selectSubstringMatchingRule

public static MatchingRule selectSubstringMatchingRule(java.lang.String attrName,
                                                       Schema schema)
Attempts to select the appropriate matching rule to use for substring matching against the specified attribute. If an appropriate matching rule cannot be determined, then the default substring matching rule will be selected.

Parameters:
attrName - The name of the attribute to examine in the provided schema.
schema - The schema to examine to make the appropriate determination. If this is null, then the default substring matching rule will be selected.
Returns:
The selected matching rule.

selectSubstringMatchingRule

public static MatchingRule selectSubstringMatchingRule(java.lang.String attrName,
                                                       java.lang.String ruleID,
                                                       Schema schema)
Attempts to select the appropriate matching rule to use for substring matching against the specified attribute. If an appropriate matching rule cannot be determined, then the default substring matching rule will be selected.

Parameters:
attrName - The name of the attribute to examine in the provided schema. It may be null if the matching rule should be selected using the matching rule ID.
ruleID - The OID of the desired matching rule. It may be null if the matching rule should be selected only using the attribute name. If a rule ID is provided, then it will be the only criteria used to select the matching rule.
schema - The schema to examine to make the appropriate determination. If this is null and no rule ID was provided, then the default substring matching rule will be selected.
Returns:
The selected matching rule.

selectSubstringMatchingRule

public static MatchingRule selectSubstringMatchingRule(java.lang.String ruleID)
Attempts to select the appropriate matching rule to use for substring matching using the specified matching rule. If an appropriate matching rule cannot be determined, then the default substring matching rule will be selected.

Parameters:
ruleID - The name or OID of the desired matching rule.
Returns:
The selected matching rule.

getDefaultSubstringMatchingRule

public static MatchingRule getDefaultSubstringMatchingRule()
Retrieves the default matching rule that will be used for substring matching if no other matching rule is specified or available. The rule returned will perform case-ignore string matching.

Returns:
The default matching rule that will be used for substring matching if no other matching rule is specified or available.

selectMatchingRuleForSyntax

public static MatchingRule selectMatchingRuleForSyntax(java.lang.String syntaxOID)
Attempts to select the appropriate matching rule for use with the syntax with the specified OID. If an appropriate matching rule cannot be determined, then the case-ignore string matching rule will be selected.

Parameters:
syntaxOID - The OID of the attribute syntax for which to make the determination.
Returns:
The selected matching rule.