Package liquibase.configuration.core

Class ScopeValueProvider

java.lang.Object

liquibase.configuration.AbstractConfigurationValueProvider

liquibase.configuration.core.ScopeValueProvider

All Implemented Interfaces:

ConfigurationValueProvider

public class ScopeValueProvider
extends AbstractConfigurationValueProvider

Searches the Scope for the given key. Does not perform any key smoothing/translating.

Constructor Summary

Constructors

Constructor	Description
ScopeValueProvider()

Method Summary

Modifier and Type	Method	Description
int	getPrecedence()	Returns the precedence of values returned by this provider.
ProvidedValue	getProvidedValue(String... keyAndAliases)	Lookup the given key(s) in this source.
protected Properties	getSystemProperties()

Methods inherited from class liquibase.configuration.AbstractConfigurationValueProvider

validate

Methods inherited from class java.lang.Object

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

Constructor Detail

ScopeValueProvider

public ScopeValueProvider()

Method Detail

getPrecedence

public int getPrecedence()

Description copied from interface: ConfigurationValueProvider

Returns the precedence of values returned by this provider. Higher a provider with higher precedence overrides values from lower precedence providers.

Standard provider precedence:

• 400 ScopeValueProvider
• 350 DeprecatedConfigurationValueProvider
• 250 Integration specific providers
• 300: TODO JNDI attributes
• 250: TODO Servlet Context
• 200 SystemPropertyValueProvider
• 150 EnvironmentValueProvider
• 100: TODO profile/context specific properties files
• 50: DefaultsFileValueProvider

getProvidedValue

public ProvidedValue getProvidedValue(String... keyAndAliases)

Description copied from interface: ConfigurationValueProvider

Lookup the given key(s) in this source. It is up to the implementation to provide any "smoothing" or translation of key names. For example, an EnvironmentValueProvider will look check environment variables containing _'s rather than .'s.

Parameters:

keyAndAliases - an array of keys to check, where the first element is the canonical key name, any aliases for that key as later elements.

Returns:

null if the key is not defined in this provider.

getSystemProperties

protected Properties getSystemProperties()