Matchers (Terracotta Statistics 2.0.2 API)

java.lang.Object
- org.terracotta.context.query.Matchers

```
public final class Matchers
extends Object
```
A static library of Matcher implementations that can be used with the QueryBuilder.filter(Matcher) method.

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method and Description
`static <T> Matcher<T>`	`allOf(Matcher<? super T>... matchers)` Returns a matcher that matches when against objects which match all of the supplied matchers.
`static <T> Matcher<T>`	`anyOf(Matcher<? super T>... matchers)` Returns a matcher that matches when against objects which match any of the supplied matchers.
`static Matcher<ContextElement>`	`attributes(Matcher<Map<String,Object>> matcher)` Returns a matcher that matches context elements whose `ContextElement.attributes()` match against the supplied matcher.
`static Matcher<TreeNode>`	`context(Matcher<ContextElement> matcher)` Returns a matcher that matches tree nodes whose `TreeNode.getContext()` match against the supplied matcher.
`static Matcher<Map<String,Object>>`	`hasAttribute(String key, Matcher<? extends Object> value)` Returns a matcher that matches attribute maps the include an attribute with the given name, and whose value matches the given matcher.
`static Matcher<Map<String,Object>>`	`hasAttribute(String key, Object value)` Returns a matcher that matches attribute maps that include the given attribute entry.
`static Matcher<ContextElement>`	`identifier(Matcher<Class<?>> matcher)` Returns a matcher that matches context elements whose `ContextElement.identifier()` match against the supplied matcher.
`static <T> Matcher<T>`	`not(Matcher<T> matcher)`
`static Matcher<Class<?>>`	`subclassOf(Class<?> klazz)` Returns a matcher that matches classes that are sub-types of the supplied class.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Method Detail
  - context
```
public static Matcher<TreeNode> context(Matcher<ContextElement> matcher)
```
    Returns a matcher that matches tree nodes whose TreeNode.getContext() match against the supplied matcher.
    
    Parameters:
    
    matcher - ContextElement matcher
    
    Returns:
    
    a TreeNode matcher
  - attributes
```
public static Matcher<ContextElement> attributes(Matcher<Map<String,Object>> matcher)
```
    Returns a matcher that matches context elements whose ContextElement.attributes() match against the supplied matcher.
    
    Parameters:
    
    matcher - a Map (attributes) matcher
    
    Returns:
    
    a ContextElement matcher
  - identifier
```
public static Matcher<ContextElement> identifier(Matcher<Class<?>> matcher)
```
    Returns a matcher that matches context elements whose ContextElement.identifier() match against the supplied matcher.
    
    Parameters:
    
    matcher - Class<?> matcher
    
    Returns:
    
    a ContextElement matcher
  - subclassOf
```
public static Matcher<Class<?>> subclassOf(Class<?> klazz)
```
    Returns a matcher that matches classes that are sub-types of the supplied class.
    
    Parameters:
    
    klazz - a potential super-type
    
    Returns:
    
    a Class<?> matcher
  - hasAttribute
```
public static Matcher<Map<String,Object>> hasAttribute(String key,
                                                       Object value)
```
    Returns a matcher that matches attribute maps that include the given attribute entry.
    
    Parameters:
    
    key - attribute name
    
    value - attribute value
    
    Returns:
    
    a Map<String, Object> matcher
  - hasAttribute
```
public static Matcher<Map<String,Object>> hasAttribute(String key,
                                                       Matcher<? extends Object> value)
```
    Returns a matcher that matches attribute maps the include an attribute with the given name, and whose value matches the given matcher.
    
    Parameters:
    
    key - attribute name
    
    value - attribute value matcher
    
    Returns:
    
    a Map<String, Object> matcher
  - anyOf
```
@SafeVarargs
public static <T> Matcher<T> anyOf(Matcher<? super T>... matchers)
```
    Returns a matcher that matches when against objects which match any of the supplied matchers.
    
    Type Parameters:
    
    T - type of the object to be matched
    
    Parameters:
    
    matchers - list of matchers to match
    
    Returns:
    
    a compound matcher
  - allOf
```
@SafeVarargs
public static <T> Matcher<T> allOf(Matcher<? super T>... matchers)
```
    Returns a matcher that matches when against objects which match all of the supplied matchers.
    
    Type Parameters:
    
    T - type of the object to be matched
    
    Parameters:
    
    matchers - list of matchers to match
    
    Returns:
    
    a compound matcher
  - not
```
public static <T> Matcher<T> not(Matcher<T> matcher)
```

Class Matchers

Method Summary

Methods inherited from class java.lang.Object

Method Detail

context

attributes

identifier

subclassOf

hasAttribute

hasAttribute

anyOf

allOf

not