KeyValueClient (consul-client 1.2.2 API)

java.lang.Object
- com.orbitz.consul.KeyValueClient

public class KeyValueClient
extends Object

HTTP Client for /v1/kv/ endpoints.

Field Summary

Fields
Modifier and Type Field and Description

protected Http http

static int NOT_FOUND_404

Fields
Modifier and Type	Field and Description
`protected Http`	`http`
`static int`	`NOT_FOUND_404`

Method Summary

All Methods Instance Methods Concrete Methods Deprecated Methods
Modifier and Type	Method and Description
`boolean`	`acquireLock(String key, String session)` Aquire a lock for a given key.
`boolean`	`acquireLock(String key, String value, String session)` Aquire a lock for a given key.
`void`	`deleteKey(String key)` Deletes a specified key.
`void`	`deleteKey(String key, DeleteOptions deleteOptions)` Deletes a specified key.
`void`	`deleteKeys(String key)` Deletes a specified key and any below it.
`ClientConfig`	`getConfig()`
`Optional<ConsulResponse<Value>>`	`getConsulResponseWithValue(String key)` Retrieves a `ConsulResponse` with the `Value` for a spefici key from the key/value store
`Optional<ConsulResponse<Value>>`	`getConsulResponseWithValue(String key, QueryOptions queryOptions)` Returns a `ConsulResponse` for a specific key from the kv store.
`ConsulResponse<List<Value>>`	`getConsulResponseWithValues(String key)` Retrieves a `ConsulResponse` with a list of `Value` objects along with consul response headers for a specific key from the key/value store.
`ConsulResponse<List<Value>>`	`getConsulResponseWithValues(String key, QueryOptions queryOptions)` Retrieves a `ConsulResponse` with a list of `Value` objects along with consul response headers for a specific key from the key/value store.
`ClientEventHandler`	`getEventHandler()`
`List<String>`	`getKeys(String key)` Retrieves a list of matching keys for the given key.
`Optional<String>`	`getSession(String key)` Retrieves a session string for a specific key from the key/value store.
`Optional<Value>`	`getValue(String key)` Retrieves a `Value` for a specific key from the key/value store.
`Optional<Value>`	`getValue(String key, QueryOptions queryOptions)` Retrieves a `Value` for a specific key from the key/value store.
`void`	`getValue(String key, QueryOptions queryOptions, ConsulResponseCallback<Optional<Value>> callback)` Asynchronously retrieves a `Value` for a specific key from the key/value store.
`Optional<String>`	`getValueAsString(String key)` Retrieves a string value for a specific key from the key/value store.
`Optional<String>`	`getValueAsString(String key, Charset charset)` Retrieves a string value for a specific key from the key/value store.
`List<Value>`	`getValues(String key)` Retrieves a list of `Value` objects for a specific key from the key/value store.
`List<Value>`	`getValues(String key, QueryOptions queryOptions)` Retrieves a list of `Value` objects for a specific key from the key/value store.
`void`	`getValues(String key, QueryOptions queryOptions, ConsulResponseCallback<List<Value>> callback)` Asynchronously retrieves a list of `Value` objects for a specific key from the key/value store.
`List<String>`	`getValuesAsString(String key)` Retrieves a list of string values for a specific key from the key/value store.
`List<String>`	`getValuesAsString(String key, Charset charset)` Retrieves a list of string values for a specific key from the key/value store.
`ConsulResponse<TxResponse>`	`performTransaction(ConsistencyMode consistency, Operation... operations)` Deprecated. Replaced by `performTransaction(TransactionOptions, Operation...)`
`ConsulResponse<TxResponse>`	`performTransaction(Operation... operations)` Performs a Consul transaction.
`ConsulResponse<TxResponse>`	`performTransaction(TransactionOptions transactionOptions, Operation... operations)` Performs a Consul transaction.
`boolean`	`putValue(String key)` Puts a null value into the key/value store.
`boolean`	`putValue(String key, byte[] value, long flags, PutOptions putOptions)` Puts a value into the key/value store.
`boolean`	`putValue(String key, String value)` Puts a value into the key/value store.
`boolean`	`putValue(String key, String value, Charset charset)` Puts a value into the key/value store.
`boolean`	`putValue(String key, String value, long flags)` Puts a value into the key/value store.
`boolean`	`putValue(String key, String value, long flags, Charset charset)` Puts a value into the key/value store.
`boolean`	`putValue(String key, String value, long flags, PutOptions putOptions)` Puts a value into the key/value store.
`boolean`	`putValue(String key, String value, long flags, PutOptions putOptions, Charset charset)` Puts a value into the key/value store.
`boolean`	`releaseLock(String key, String sessionId)` Releases the lock for a given service and session.

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

- Field Detail
  - NOT_FOUND_404
```
public static final int NOT_FOUND_404
```
    See Also:
    
    Constant Field Values
  - http
```
protected final Http http
```
- Method Detail
  - getValue
```
public Optional<Value> getValue(String key)
```
    Retrieves a Value for a specific key from the key/value store. GET /v1/kv/{key}
    
    Parameters:
    
    key - The key to retrieve.
    
    Returns:
    
    An Optional containing the value or Optional.empty()()
  - getConsulResponseWithValue
```
public Optional<ConsulResponse<Value>> getConsulResponseWithValue(String key)
```
    Retrieves a ConsulResponse with the Value for a spefici key from the key/value store
    
    Parameters:
    
    key - The key to retrieve
    
    Returns:
    
    An Optional containing the ConsulResponse or Optional.empty()()
  - getValue
```
public Optional<Value> getValue(String key,
                                QueryOptions queryOptions)
```
    Retrieves a Value for a specific key from the key/value store. GET /v1/kv/{key}
    
    Parameters:
    
    key - The key to retrieve.
    
    queryOptions - The query options.
    
    Returns:
    
    An Optional containing the value or Optional.empty()()
  - getConsulResponseWithValue
```
public Optional<ConsulResponse<Value>> getConsulResponseWithValue(String key,
                                                                  QueryOptions queryOptions)
```
    Returns a ConsulResponse for a specific key from the kv store. Contains the consul response headers along with the configuration value. GET /v1/kv/{key}
    
    Parameters:
    
    key - The key to retrieve.
    
    queryOptions - The query options.
    
    Returns:
    
    An Optional containing the ConsulResponse or Optional.empty()
  - getValue
```
public void getValue(String key,
                     QueryOptions queryOptions,
                     ConsulResponseCallback<Optional<Value>> callback)
```
    Asynchronously retrieves a Value for a specific key from the key/value store. GET /v1/kv/{key}
    
    Parameters:
    
    key - The key to retrieve.
    
    queryOptions - The query options.
    
    callback - Callback implemented by callee to handle results.
  - getValues
```
public List<Value> getValues(String key)
```
    Retrieves a list of Value objects for a specific key from the key/value store. GET /v1/kv/{key}?recurse
    
    Parameters:
    
    key - The key to retrieve.
    
    Returns:
    
    A list of zero to many Value objects.
  - getConsulResponseWithValues
```
public ConsulResponse<List<Value>> getConsulResponseWithValues(String key)
```
    Retrieves a ConsulResponse with a list of Value objects along with consul response headers for a specific key from the key/value store. GET /v1/kv/{key}?recurse
    
    Parameters:
    
    key - The key to retrieve.
    
    Returns:
    
    A ConsulResponse with a list of zero to many Value objects and consul response headers.
  - getValues
```
public List<Value> getValues(String key,
                             QueryOptions queryOptions)
```
    Retrieves a list of Value objects for a specific key from the key/value store. GET /v1/kv/{key}?recurse
    
    Parameters:
    
    key - The key to retrieve.
    
    queryOptions - The query options.
    
    Returns:
    
    A list of zero to many Value objects.
  - getConsulResponseWithValues
```
public ConsulResponse<List<Value>> getConsulResponseWithValues(String key,
                                                               QueryOptions queryOptions)
```
    Retrieves a ConsulResponse with a list of Value objects along with consul response headers for a specific key from the key/value store. GET /v1/kv/{key}?recurse
    
    Parameters:
    
    key - The key to retrieve.
    
    queryOptions - The query options to use.
    
    Returns:
    
    A ConsulResponse with a list of zero to many Value objects and consul response headers.
  - getValues
```
public void getValues(String key,
                      QueryOptions queryOptions,
                      ConsulResponseCallback<List<Value>> callback)
```
    Asynchronously retrieves a list of Value objects for a specific key from the key/value store. GET /v1/kv/{key}?recurse
    
    Parameters:
    
    key - The key to retrieve.
    
    queryOptions - The query options.
    
    callback - Callback implemented by callee to handle results.
  - getValueAsString
```
public Optional<String> getValueAsString(String key)
```
    Retrieves a string value for a specific key from the key/value store. GET /v1/kv/{key}
    
    Parameters:
    
    key - The key to retrieve.
    
    Returns:
    
    An Optional containing the value as a string or Optional.empty()
  - getValueAsString
```
public Optional<String> getValueAsString(String key,
                                         Charset charset)
```
    Retrieves a string value for a specific key from the key/value store. GET /v1/kv/{key}
    
    Parameters:
    
    key - The key to retrieve.
    
    charset - The charset of the value
    
    Returns:
    
    An Optional containing the value as a string or Optional.empty()
  - getValuesAsString
```
public List<String> getValuesAsString(String key)
```
    Retrieves a list of string values for a specific key from the key/value store. GET /v1/kv/{key}?recurse
    
    Parameters:
    
    key - The key to retrieve.
    
    Returns:
    
    A list of zero to many string values.
  - getValuesAsString
```
public List<String> getValuesAsString(String key,
                                      Charset charset)
```
    Retrieves a list of string values for a specific key from the key/value store. GET /v1/kv/{key}?recurse
    
    Parameters:
    
    key - The key to retrieve.
    
    charset - The charset of the value
    
    Returns:
    
    A list of zero to many string values.
  - putValue
```
public boolean putValue(String key)
```
    Puts a null value into the key/value store.
    
    Parameters:
    
    key - The key to use as index.
    
    Returns:
    
    true if the value was successfully indexed.
  - putValue
```
public boolean putValue(String key,
                        String value)
```
    Puts a value into the key/value store.
    
    Parameters:
    
    key - The key to use as index.
    
    value - The value to index.
    
    Returns:
    
    true if the value was successfully indexed.
  - putValue
```
public boolean putValue(String key,
                        String value,
                        Charset charset)
```
    Puts a value into the key/value store.
    
    Parameters:
    
    key - The key to use as index.
    
    value - The value to index.
    
    Returns:
    
    true if the value was successfully indexed.
  - putValue
```
public boolean putValue(String key,
                        String value,
                        long flags)
```
    Puts a value into the key/value store.
    
    Parameters:
    
    key - The key to use as index.
    
    value - The value to index.
    
    flags - The flags for this key.
    
    Returns:
    
    true if the value was successfully indexed.
  - putValue
```
public boolean putValue(String key,
                        String value,
                        long flags,
                        Charset charset)
```
    Puts a value into the key/value store.
    
    Parameters:
    
    key - The key to use as index.
    
    value - The value to index.
    
    flags - The flags for this key.
    
    Returns:
    
    true if the value was successfully indexed.
  - putValue
```
public boolean putValue(String key,
                        String value,
                        long flags,
                        PutOptions putOptions)
```
    Puts a value into the key/value store.
    
    Parameters:
    
    key - The key to use as index.
    
    value - The value to index.
    
    putOptions - PUT options (e.g. wait, acquire).
    
    Returns:
    
    true if the value was successfully indexed.
  - putValue
```
public boolean putValue(String key,
                        String value,
                        long flags,
                        PutOptions putOptions,
                        Charset charset)
```
    Puts a value into the key/value store.
    
    Parameters:
    
    key - The key to use as index.
    
    value - The value to index.
    
    putOptions - PUT options (e.g. wait, acquire).
    
    Returns:
    
    true if the value was successfully indexed.
  - putValue
```
public boolean putValue(String key,
                        byte[] value,
                        long flags,
                        PutOptions putOptions)
```
    Puts a value into the key/value store.
    
    Parameters:
    
    key - The key to use as index.
    
    value - The value to index.
    
    putOptions - PUT options (e.g. wait, acquire).
    
    Returns:
    
    true if the value was successfully indexed.
  - getKeys
```
public List<String> getKeys(String key)
```
    Retrieves a list of matching keys for the given key. GET /v1/kv/{key}?keys
    
    Parameters:
    
    key - The key to retrieve.
    
    Returns:
    
    A list of zero to many keys.
  - deleteKey
```
public void deleteKey(String key)
```
    Deletes a specified key. DELETE /v1/kv/{key}
    
    Parameters:
    
    key - The key to delete.
  - deleteKeys
```
public void deleteKeys(String key)
```
    Deletes a specified key and any below it. DELETE /v1/kv/{key}?recurse
    
    Parameters:
    
    key - The key to delete.
  - deleteKey
```
public void deleteKey(String key,
                      DeleteOptions deleteOptions)
```
    Deletes a specified key. DELETE /v1/kv/{key}
    
    Parameters:
    
    key - The key to delete.
    
    deleteOptions - DELETE options (e.g. recurse, cas)
  - acquireLock
```
public boolean acquireLock(String key,
                           String session)
```
    Aquire a lock for a given key. PUT /v1/kv/{key}?acquire={session}
    
    Parameters:
    
    key - The key to acquire the lock.
    
    session - The session to acquire lock.
    
    Returns:
    
    true if the lock is acquired successfully, false otherwise.
  - acquireLock
```
public boolean acquireLock(String key,
                           String value,
                           String session)
```
    Aquire a lock for a given key. PUT /v1/kv/{key}?acquire={session}
    
    Parameters:
    
    key - The key to acquire the lock.
    
    session - The session to acquire lock.
    
    value - key value (usually - application specific info about the lock requester)
    
    Returns:
    
    true if the lock is acquired successfully, false otherwise.
  - getSession
```
public Optional<String> getSession(String key)
```
    Retrieves a session string for a specific key from the key/value store. GET /v1/kv/{key}
    
    Parameters:
    
    key - The key to retrieve.
    
    Returns:
    
    An Optional containing the value as a string or Optional.empty()
  - releaseLock
```
public boolean releaseLock(String key,
                           String sessionId)
```
    Releases the lock for a given service and session. GET /v1/kv/{key}?release={sessionId}
    
    Parameters:
    
    key - identifying the service.
    
    sessionId -
    
    Returns:
    
    SessionInfo.
  - performTransaction
```
public ConsulResponse<TxResponse> performTransaction(Operation... operations)
```
    Performs a Consul transaction. PUT /v1/tx
    
    Parameters:
    
    operations - A list of KV operations.
    
    Returns:
    
    A ConsulResponse containing results and potential errors.
  - performTransaction
```
@Deprecated
public ConsulResponse<TxResponse> performTransaction(ConsistencyMode consistency,
                                                                 Operation... operations)
```
    Deprecated. Replaced by performTransaction(TransactionOptions, Operation...)
    
    Performs a Consul transaction. PUT /v1/tx
    
    Parameters:
    
    consistency - The consistency to use for the transaction.
    
    operations - A list of KV operations.
    
    Returns:
    
    A ConsulResponse containing results and potential errors.
  - performTransaction
```
public ConsulResponse<TxResponse> performTransaction(TransactionOptions transactionOptions,
                                                     Operation... operations)
```
    Performs a Consul transaction. PUT /v1/tx
    
    Parameters:
    
    transactionOptions - transaction options (e.g. dc, consistency).
    
    operations - A list of KV operations.
    
    Returns:
    
    A ConsulResponse containing results and potential errors.
  - getConfig
```
public ClientConfig getConfig()
```
  - getEventHandler
```
public ClientEventHandler getEventHandler()
```

Class KeyValueClient

Field Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

NOT_FOUND_404

http

Method Detail

getValue

getConsulResponseWithValue

getValue

getConsulResponseWithValue

getValue

getValues

getConsulResponseWithValues

getValues

getConsulResponseWithValues

getValues

getValueAsString

getValueAsString

getValuesAsString

getValuesAsString

putValue

putValue

putValue

putValue

putValue

putValue

putValue

putValue

getKeys

deleteKey

deleteKeys

deleteKey

acquireLock

acquireLock

getSession

releaseLock

performTransaction

performTransaction

performTransaction

getConfig

getEventHandler