Constants (Apache Dubbo 2.7.18 API)

```
public interface Constants
```

Field Summary

Fields
Modifier and Type	Field and Description
`static String`	`ADDRESS_KEY`
`static String`	`ARGUMENTS` prefix of arguments router key
`static String`	`CLUSTER_AVAILABLE_CHECK_KEY` To decide whether to exclude unavailable invoker from the cluster
`static String`	`CLUSTER_STICKY_KEY` To decide whether to enable sticky strategy for cluster
`static String`	`CONFIG_VERSION_KEY`
`static boolean`	`DEFAULT_CLUSTER_AVAILABLE_CHECK` The default value of cluster.availablecheck
`static boolean`	`DEFAULT_CLUSTER_STICKY` The default value of sticky
`static int`	`DEFAULT_FAILBACK_TASKS`
`static int`	`DEFAULT_FORKS`
`static String`	`DEFAULT_SCRIPT_TYPE_KEY`
`static int`	`DEFAULT_WARMUP`
`static int`	`DEFAULT_WEIGHT`
`static String`	`EXPORT_KEY` The key name for export URL in register center
`static String`	`FAIL_BACK_TASKS_KEY`
`static String`	`FORCE_KEY`
`static String`	`INVOCATION_NEED_MOCK` When this attribute appears in invocation's attachment, mock invoker will be used
`static String`	`MOCK_PROTOCOL`
`static String`	`OVERRIDE_PROVIDERS_KEY`
`static String`	`PRIORITY_KEY`
`static String`	`REFER_KEY` The key name for reference URL in register center
`static String`	`ROUTER_KEY` key for router type, for e.g., "script"/"file", corresponding to ScriptRouterFactory.NAME, FileRouterFactory.NAME
`static String`	`ROUTER_TYPE_CLEAR` when ROUTER_KEY's value is set to ROUTER_TYPE_CLEAR, RegistryDirectory will clean all current routers
`static String`	`RULE_KEY`
`static String`	`RUNTIME_KEY`
`static String`	`TYPE_KEY`
`static String`	`WARMUP_KEY`
`static String`	`WEIGHT_KEY`

- Field Detail
  - FAIL_BACK_TASKS_KEY
```
static final String FAIL_BACK_TASKS_KEY
```
    See Also:
    
    Constant Field Values
  - DEFAULT_FAILBACK_TASKS
```
static final int DEFAULT_FAILBACK_TASKS
```
    See Also:
    
    Constant Field Values
  - DEFAULT_FORKS
```
static final int DEFAULT_FORKS
```
    See Also:
    
    Constant Field Values
  - WEIGHT_KEY
```
static final String WEIGHT_KEY
```
    See Also:
    
    Constant Field Values
  - DEFAULT_WEIGHT
```
static final int DEFAULT_WEIGHT
```
    See Also:
    
    Constant Field Values
  - MOCK_PROTOCOL
```
static final String MOCK_PROTOCOL
```
    See Also:
    
    Constant Field Values
  - FORCE_KEY
```
static final String FORCE_KEY
```
    See Also:
    
    Constant Field Values
  - CLUSTER_AVAILABLE_CHECK_KEY
```
static final String CLUSTER_AVAILABLE_CHECK_KEY
```
    To decide whether to exclude unavailable invoker from the cluster
    
    See Also:
    
    Constant Field Values
  - DEFAULT_CLUSTER_AVAILABLE_CHECK
```
static final boolean DEFAULT_CLUSTER_AVAILABLE_CHECK
```
    The default value of cluster.availablecheck
    
    See Also:
    
    CLUSTER_AVAILABLE_CHECK_KEY, Constant Field Values
  - CLUSTER_STICKY_KEY
```
static final String CLUSTER_STICKY_KEY
```
    To decide whether to enable sticky strategy for cluster
    
    See Also:
    
    Constant Field Values
  - DEFAULT_CLUSTER_STICKY
```
static final boolean DEFAULT_CLUSTER_STICKY
```
    The default value of sticky
    
    See Also:
    
    CLUSTER_STICKY_KEY, Constant Field Values
  - ADDRESS_KEY
```
static final String ADDRESS_KEY
```
    See Also:
    
    Constant Field Values
  - INVOCATION_NEED_MOCK
```
static final String INVOCATION_NEED_MOCK
```
    When this attribute appears in invocation's attachment, mock invoker will be used
    
    See Also:
    
    Constant Field Values
  - ROUTER_TYPE_CLEAR
```
static final String ROUTER_TYPE_CLEAR
```
    when ROUTER_KEY's value is set to ROUTER_TYPE_CLEAR, RegistryDirectory will clean all current routers
    
    See Also:
    
    Constant Field Values
  - DEFAULT_SCRIPT_TYPE_KEY
```
static final String DEFAULT_SCRIPT_TYPE_KEY
```
    See Also:
    
    Constant Field Values
  - PRIORITY_KEY
```
static final String PRIORITY_KEY
```
    See Also:
    
    Constant Field Values
  - RULE_KEY
```
static final String RULE_KEY
```
    See Also:
    
    Constant Field Values
  - TYPE_KEY
```
static final String TYPE_KEY
```
    See Also:
    
    Constant Field Values
  - RUNTIME_KEY
```
static final String RUNTIME_KEY
```
    See Also:
    
    Constant Field Values
  - WARMUP_KEY
```
static final String WARMUP_KEY
```
    See Also:
    
    Constant Field Values
  - DEFAULT_WARMUP
```
static final int DEFAULT_WARMUP
```
    See Also:
    
    Constant Field Values
  - CONFIG_VERSION_KEY
```
static final String CONFIG_VERSION_KEY
```
    See Also:
    
    Constant Field Values
  - OVERRIDE_PROVIDERS_KEY
```
static final String OVERRIDE_PROVIDERS_KEY
```
    See Also:
    
    Constant Field Values
  - ROUTER_KEY
```
static final String ROUTER_KEY
```
    key for router type, for e.g., "script"/"file", corresponding to ScriptRouterFactory.NAME, FileRouterFactory.NAME
    
    See Also:
    
    Constant Field Values
  - REFER_KEY
```
static final String REFER_KEY
```
    The key name for reference URL in register center
    
    See Also:
    
    Constant Field Values
  - EXPORT_KEY
```
static final String EXPORT_KEY
```
    The key name for export URL in register center
    
    See Also:
    
    Constant Field Values
  - ARGUMENTS
```
static final String ARGUMENTS
```
    prefix of arguments router key
    
    See Also:
    
    Constant Field Values

Interface Constants

Field Summary

Field Detail

FAIL_BACK_TASKS_KEY

DEFAULT_FAILBACK_TASKS

DEFAULT_FORKS

WEIGHT_KEY

DEFAULT_WEIGHT

MOCK_PROTOCOL

FORCE_KEY

CLUSTER_AVAILABLE_CHECK_KEY

DEFAULT_CLUSTER_AVAILABLE_CHECK

CLUSTER_STICKY_KEY

DEFAULT_CLUSTER_STICKY

ADDRESS_KEY

INVOCATION_NEED_MOCK

ROUTER_TYPE_CLEAR

DEFAULT_SCRIPT_TYPE_KEY

PRIORITY_KEY

RULE_KEY

TYPE_KEY

RUNTIME_KEY

WARMUP_KEY

DEFAULT_WARMUP

CONFIG_VERSION_KEY

OVERRIDE_PROVIDERS_KEY

ROUTER_KEY

REFER_KEY

EXPORT_KEY

ARGUMENTS