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liquibase.command

public Class CommandArgumentDefinition<DataType>

extends Object
implements Comparable<CommandArgumentDefinition<?>>
Class Inheritance
All Implemented Interfaces
java.lang.Comparable
Imports
liquibase.Scope, liquibase.command.core.helpers.ReferenceDbUrlConnectionCommandStep, liquibase.configuration.ConfigurationValueConverter, .ConfigurationValueObfuscator, liquibase.exception.CommandValidationException, .MissingRequiredArgumentException, liquibase.integration.commandline.LiquibaseCommandLineConfiguration, liquibase.util.ObjectUtil, .StringUtil, java.util.Collections, .Objects, .SortedSet, .TreeSet, java.util.regex.Pattern

Defines a known, type-safe argument for a specific CommandStep. Includes metadata about the argument such as a description, if it is required, a default value, etc.

Because this definition is tied to a specific step, multiple steps in a pipeline can define arguments of the same name.

See Also
for constructing new instances.

Nested and Inner Type Summary

Modifier and TypeClass and Description
public static class

Field Summary

Modifier and TypeField and Description
private final SortedSet<String>
private static final Pattern
private static final String
private final Class<DataType>
private DataType
private String
private String
private boolean
private final String
private boolean
private CommandArgumentDefinition<?>
private ConfigurationValueConverter<DataType>
private ConfigurationValueObfuscator<DataType>

Constructor Summary

AccessConstructor and Description
protected
CommandArgumentDefinition(String name, Class<DataType> type)

Method Summary

Modifier and TypeMethod and Description
public int
compareTo(CommandArgumentDefinition<?>
the object to be compared.
o
)

Implements java.lang.Comparable.compareTo.

Compares this object with the specified object for order.

public boolean
equals(Object
the reference object with which to compare.
o
)

Overrides java.lang.Object.equals.

Indicates whether some other object is "equal to" this one.

public SortedSet<String>
getAliases()

Aliases for the argument.

public Class<DataType>
getDataType()

The datatype this argument will return.

public DataType
getDefaultValue()

The default value to use for this argument

public String
getDefaultValueDescription()

A description of the default value.

public String
getDescription()

The description of the argument.

public boolean
getHidden()

Hidden arguments are ones that can be called via integrations, but should not be normally shown in help to users.

public String
getName()

The name of the argument.

public CommandArgumentDefinition<?>
public ConfigurationValueConverter<DataType>
getValueConverter()

Function for converting values set in underlying liquibase.configuration.ConfigurationValueProviders into the type needed for this command.

public ConfigurationValueObfuscator<DataType>
getValueObfuscator()

Used when sending the value to user output to protect secure values.

public int
hashCode()

Overrides java.lang.Object.hashCode.

Returns a hash code value for this object.

public boolean
isRequired()

Whether this argument is required.

public void
public String
toString()

Overrides java.lang.Object.toString.

Returns a string representation of the object.

public void
validate(CommandScope commandScope)

Validates that the value stored in the given CommandScope is valid.

Inherited from java.lang.Object:
clonefinalizegetClassnotifynotifyAllwaitwaitwait

Field Detail

aliasesback to summary
private final SortedSet<String> aliases
ALLOWED_ARGUMENT_PATTERNback to summary
private static final Pattern ALLOWED_ARGUMENT_PATTERN
ALLOWED_ARGUMENT_REGEXback to summary
private static final String ALLOWED_ARGUMENT_REGEX
dataTypeback to summary
private final Class<DataType> dataType
defaultValueback to summary
private DataType defaultValue
defaultValueDescriptionback to summary
private String defaultValueDescription
descriptionback to summary
private String description
hiddenback to summary
private boolean hidden
nameback to summary
private final String name
requiredback to summary
private boolean required
supersededByback to summary
private CommandArgumentDefinition<?> supersededBy
valueConverterback to summary
private ConfigurationValueConverter<DataType> valueConverter
valueObfuscatorback to summary
private ConfigurationValueObfuscator<DataType> valueObfuscator

Constructor Detail

CommandArgumentDefinitionback to summary
protected CommandArgumentDefinition(String name, Class<DataType> type)

Method Detail

compareToback to summary
public int compareTo(CommandArgumentDefinition<?> o)

Implements java.lang.Comparable.compareTo.

Doc from java.lang.Comparable.compareTo.

Compares this object with the specified object for order. Returns a negative integer, zero, or a positive integer as this object is less than, equal to, or greater than the specified object.

The implementor must ensure signum(x.compareTo(y)) == -signum(y.compareTo(x)) for all x and y. (This implies that x.compareTo(y) must throw an exception if and only if y.compareTo(x) throws an exception.)

The implementor must also ensure that the relation is transitive: (x.compareTo(y) > 0 && y.compareTo(z) > 0) implies x.compareTo(z) > 0.

Finally, the implementor must ensure that x.compareTo(y)==0 implies that signum(x.compareTo(z)) == signum(y.compareTo(z)), for all z.

Parameters
o:CommandArgumentDefinition<?>

the object to be compared.

Returns:int

a negative integer, zero, or a positive integer as this object is less than, equal to, or greater than the specified object.

Annotations
@Override
equalsback to summary
public boolean equals(Object o)

Overrides java.lang.Object.equals.

Doc from java.lang.Object.equals.

Indicates whether some other object is "equal to" this one.

The equals method implements an equivalence relation on non-null object references:

  • It is reflexive: for any non-null reference value x, x.equals(x) should return true.
  • It is symmetric: for any non-null reference values x and y, x.equals(y) should return true if and only if y.equals(x) returns true.
  • It is transitive: for any non-null reference values x, y, and z, if x.equals(y) returns true and y.equals(z) returns true, then x.equals(z) should return true.
  • It is consistent: for any non-null reference values x and y, multiple invocations of x.equals(y) consistently return true or consistently return false, provided no information used in equals comparisons on the objects is modified.
  • For any non-null reference value x, x.equals(null) should return false.

An equivalence relation partitions the elements it operates on into equivalence classes; all the members of an equivalence class are equal to each other. Members of an equivalence class are substitutable for each other, at least for some purposes.

Parameters
o:Object

the reference object with which to compare.

Returns:boolean

true if this object is the same as the obj argument; false otherwise.

Annotations
@Override
getAliasesback to summary
public SortedSet<String> getAliases()

Aliases for the argument. Must be camelCase alphanumeric.

getDataTypeback to summary
public Class<DataType> getDataType()

The datatype this argument will return.

getDefaultValueback to summary
public DataType getDefaultValue()

The default value to use for this argument

getDefaultValueDescriptionback to summary
public String getDefaultValueDescription()

A description of the default value. Defaults to String#valueOf(Object) of getDefaultValue() but can be explicitly with Building#defaultValue(Object, String).

getDescriptionback to summary
public String getDescription()

The description of the argument. Used in generated help documentation.

getHiddenback to summary
public boolean getHidden()

Hidden arguments are ones that can be called via integrations, but should not be normally shown in help to users.

getNameback to summary
public String getName()

The name of the argument. Must be camelCase alphanumeric.

getSupersededByback to summary
public CommandArgumentDefinition<?> getSupersededBy()
getValueConverterback to summary
public ConfigurationValueConverter<DataType> getValueConverter()

Function for converting values set in underlying liquibase.configuration.ConfigurationValueProviders into the type needed for this command.

getValueObfuscatorback to summary
public ConfigurationValueObfuscator<DataType> getValueObfuscator()

Used when sending the value to user output to protect secure values.

hashCodeback to summary
public int hashCode()

Overrides java.lang.Object.hashCode.

Doc from java.lang.Object.hashCode.

Returns a hash code value for this object. This method is supported for the benefit of hash tables such as those provided by java.util.HashMap.

The general contract of hashCode is:

  • Whenever it is invoked on the same object more than once during an execution of a Java application, the hashCode method must consistently return the same integer, provided no information used in equals comparisons on the object is modified. This integer need not remain consistent from one execution of an application to another execution of the same application.
  • If two objects are equal according to the equals method, then calling the hashCode method on each of the two objects must produce the same integer result.
  • It is not required that if two objects are unequal according to the equals method, then calling the hashCode method on each of the two objects must produce distinct integer results. However, the programmer should be aware that producing distinct integer results for unequal objects may improve the performance of hash tables.
Returns:int

a hash code value for this object

Annotations
@Override
isRequiredback to summary
public boolean isRequired()

Whether this argument is required. Exposed as a separate setting for help doc purposes. validate(CommandScope) will ensure required values are set.

setSupersededByback to summary
public void setSupersededBy(CommandArgumentDefinition<?> supersededBy)
toStringback to summary
public String toString()

Overrides java.lang.Object.toString.

Doc from java.lang.Object.toString.

Returns a string representation of the object. Satisfying this method's contract implies a non-null result must be returned.

Returns:String

a string representation of the object

Annotations
@Override
validateback to summary
public void validate(CommandScope commandScope) throws CommandValidationException

Validates that the value stored in the given CommandScope is valid.

Exceptions
CommandValidationException:
if the stored value is not valid.
liquibase.command back to summary

public Class CommandArgumentDefinition.Building<DataType>

extends Object
Class Inheritance

A new CommandArgumentDefinition under construction from CommandBuilder

Field Summary

Modifier and TypeField and Description
private final String[][]
private final CommandArgumentDefinition<DataType>

Constructor Summary

AccessConstructor and Description
pack-priv
Building(String[][] commandNames, CommandArgumentDefinition<DataType> newCommandArgument)

Method Summary

Modifier and TypeMethod and Description
public CommandArgumentDefinition.Building<DataType>
addAlias(String alias)

Adds an alias for this command argument

public CommandArgumentDefinition<DataType>
build()

Complete construction and register the definition with the rest of the system.

public CommandArgumentDefinition.Building<DataType>
defaultValue(DataType defaultValue, String description)

Set the default value for this argument as well as the description of the default value.

public CommandArgumentDefinition.Building<DataType>
defaultValue(DataType defaultValue)

Convenience version of defaultValue(Object, String) but using String#valueOf(Object) for the description.

public CommandArgumentDefinition.Building<DataType>
description(String description)

Add a description

public CommandArgumentDefinition.Building<DataType>
hidden()

Mark argument as hidden.

public CommandArgumentDefinition.Building<DataType>
optional()

Mark argument as optional.

public CommandArgumentDefinition.Building<DataType>
required()

Mark argument as required.

public CommandArgumentDefinition.Building<DataType>
setValueHandler(ConfigurationValueConverter<DataType> valueHandler)

Set the getValueConverter() to use.

public CommandArgumentDefinition.Building<DataType>
setValueObfuscator(ConfigurationValueObfuscator<DataType> valueObfuscator)

Set the getValueObfuscator() to use.

public CommandArgumentDefinition.Building<DataType>
supersededBy(CommandArgumentDefinition<?> commandArgumentDefinition)

Specifies a CommandArgument that can replace this one if it is not available.

Inherited from java.lang.Object:
cloneequalsfinalizegetClasshashCodenotifynotifyAlltoStringwaitwaitwait

Field Detail

commandNamesback to summary
private final String[][] commandNames
newCommandArgumentback to summary
private final CommandArgumentDefinition<DataType> newCommandArgument

Constructor Detail

Buildingback to summary
pack-priv Building(String[][] commandNames, CommandArgumentDefinition<DataType> newCommandArgument)

Method Detail

addAliasback to summary
public CommandArgumentDefinition.Building<DataType> addAlias(String alias)

Adds an alias for this command argument

buildback to summary
public CommandArgumentDefinition<DataType> build() throws IllegalArgumentException

Complete construction and register the definition with the rest of the system.

Exceptions
IllegalArgumentException:
is an invalid configuration was specified
defaultValueback to summary
public CommandArgumentDefinition.Building<DataType> defaultValue(DataType defaultValue, String description)

Set the default value for this argument as well as the description of the default value.

defaultValueback to summary
public CommandArgumentDefinition.Building<DataType> defaultValue(DataType defaultValue)

Convenience version of defaultValue(Object, String) but using String#valueOf(Object) for the description.

descriptionback to summary
public CommandArgumentDefinition.Building<DataType> description(String description)

Add a description

hiddenback to summary
public CommandArgumentDefinition.Building<DataType> hidden()

Mark argument as hidden.

optionalback to summary
public CommandArgumentDefinition.Building<DataType> optional()

Mark argument as optional.

See Also
required()
requiredback to summary
public CommandArgumentDefinition.Building<DataType> required()

Mark argument as required.

See Also
optional()
setValueHandlerback to summary
public CommandArgumentDefinition.Building<DataType> setValueHandler(ConfigurationValueConverter<DataType> valueHandler)

Set the getValueConverter() to use.

setValueObfuscatorback to summary
public CommandArgumentDefinition.Building<DataType> setValueObfuscator(ConfigurationValueObfuscator<DataType> valueObfuscator)

Set the getValueObfuscator() to use.

supersededByback to summary
public CommandArgumentDefinition.Building<DataType> supersededBy(CommandArgumentDefinition<?> commandArgumentDefinition)

Specifies a CommandArgument that can replace this one if it is not available.