Package org.firebirdsql.jdbc.metadata

Class MetadataPattern

java.lang.Object

org.firebirdsql.jdbc.metadata.MetadataPattern

@InternalApi
public final class MetadataPattern
extends java.lang.Object

Holder of a database metadata pattern.

Provides information whether the pattern is the all-pattern, or if the condition needs a normal equality comparison, a SQL LIKE, or a SQL STARTING WITH.

Since:

4.0

Author:

Mark Rotteveel

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	MetadataPattern.ConditionType

Method Summary

Modifier and Type	Method	Description
static MetadataPattern	compile(java.lang.String metadataPattern)	Compiles the metadata pattern.
static boolean	containsPatternSpecialChars(java.lang.String pattern)	Scans string to determine if string contains any of \_% that indicates additional processing is needed.
static java.lang.String	escapeWildcards(java.lang.String objectName)	Escapes the like wildcards and escape (\_% in the provided search string with a \.
MetadataPattern.ConditionType	getConditionType()
java.lang.String	getConditionValue()
static boolean	isAllCondition(java.lang.String metadataPattern)
static boolean	isPatternSpecialChar(char charVal)	Checks if character is a database metadata pattern special.
java.lang.String	renderCondition(java.lang.String columnName)	Renders the condition for this pattern.
MetadataPatternMatcher	toMetadataPatternMatcher()

Methods inherited from class java.lang.Object

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

Method Detail

getConditionType

public MetadataPattern.ConditionType getConditionType()

Returns:

Type of condition to use for this metadata pattern

getConditionValue

public java.lang.String getConditionValue()

Returns:

Value for the condition; null signals no condition

renderCondition

public java.lang.String renderCondition(java.lang.String columnName)

Renders the condition for this pattern.

Parameters:

columnName - column name

Returns:

Rendered condition (can be empty string if there is no condition).

toMetadataPatternMatcher

public MetadataPatternMatcher toMetadataPatternMatcher()

Returns:

Metadata pattern matcher for this metadata pattern

compile

public static MetadataPattern compile(java.lang.String metadataPattern)

Compiles the metadata pattern.

Parameters:

metadataPattern - Metadata pattern string

Returns:

MetadataPattern instance

containsPatternSpecialChars

public static boolean containsPatternSpecialChars(java.lang.String pattern)

Scans string to determine if string contains any of \_% that indicates additional processing is needed.

Parameters:

pattern - metadata pattern

Returns:

true if the string contains any like special characters

isPatternSpecialChar

public static boolean isPatternSpecialChar(char charVal)

Checks if character is a database metadata pattern special.

Parameters:

charVal - Character to check

Returns:

true if charVal is a pattern special (\_%)

escapeWildcards

public static java.lang.String escapeWildcards(java.lang.String objectName)

Escapes the like wildcards and escape (\_% in the provided search string with a \.

Parameters:

objectName - Object name to escape.

Returns:

Object name with wildcards escaped.

isAllCondition

public static boolean isAllCondition(java.lang.String metadataPattern)