H2ConnectionOption (Reactive Relational Database Connectivity

java.lang.Object
- java.lang.Enum<H2ConnectionOption>
- - io.r2dbc.h2.H2ConnectionOption

All Implemented Interfaces:

Serializable, Comparable<H2ConnectionOption>
```
public enum H2ConnectionOption
extends Enum<H2ConnectionOption>
```
Collection of H2 configuration options.

Enum Constant Summary

Enum Constants
Enum Constant and Description
`ACCESS_MODE_DATA` r\|rw\|rws\|rwd (r=read, rw=read/write)
`AUTO_SERVER` TRUE\|FALSE
`AUTO_SERVER_PORT` A port number
`CACHE_TYPE` TQ\|SOFT_LRU
`DB_CLOSE_DELAY` Seconds to stay open or -1 to to keep in-memory DB open as long as the virtual machine is alive.
`DB_CLOSE_ON_EXIT` TRUE\|FALSE
`FILE_LOCK` FILE\|SOCKET\|NO
`IFEXISTS` TRUE\|FALSE
`IGNORE_UNKNOWN_SETTINGS` TRUE\|FALSE
`INIT` DML or DDL commands on startup, use "\\;" to chain multiple commands
`LOG`
`MODE` DB2\|Derby\|HSQLDB\|MSSQLServer\|MySQL\|Oracle\|PostgreSQL\|Ignite
`MULTI_THREADED` Number of threads (e.g.
`PAGE_SIZE` Bytes (e.g.
`PASSWORD_HASH` TRUE\|FALSE
`TRACE_LEVEL_FILE` 0..3 (0=OFF, 1=ERROR, 2=INFO, 3=DEBUG)
`TRACE_LEVEL_SYSTEM_OUT` 0..3 (0=OFF, 1=ERROR, 2=INFO, 3=DEBUG)
`TRACE_MAX_FILE_SIZE` Megabytes (to override the 16mb default, e.g.

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`String`	`getKey()`
`static H2ConnectionOption`	`valueOf(String name)` Returns the enum constant of this type with the specified name.
`static H2ConnectionOption[]`	`values()` Returns an array containing the constants of this enum type, in the order they are declared.

Methods inherited from class java.lang.Enum
clone, compareTo, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf

Methods inherited from class java.lang.Object
getClass, notify, notifyAll, wait, wait, wait

- Enum Constant Detail
  - FILE_LOCK
```
public static final H2ConnectionOption FILE_LOCK
```
    FILE|SOCKET|NO
    
    See Also:
    
    Database File Locking
  - IFEXISTS
```
public static final H2ConnectionOption IFEXISTS
```
    TRUE|FALSE
    
    See Also:
    
    Opening a Database Only If It Already Exists
  - DB_CLOSE_DELAY
```
public static final H2ConnectionOption DB_CLOSE_DELAY
```
    Seconds to stay open or -1 to to keep in-memory DB open as long as the virtual machine is alive.
    
    See Also:
    
    Delayed Database Closing
  - DB_CLOSE_ON_EXIT
```
public static final H2ConnectionOption DB_CLOSE_ON_EXIT
```
    TRUE|FALSE
    
    See Also:
    
    Don't Close a Database when the VM Exits
  - INIT
```
public static final H2ConnectionOption INIT
```
    DML or DDL commands on startup, use "\\;" to chain multiple commands
    
    See Also:
    
    Execute SQL on Connection
  - TRACE_LEVEL_FILE
```
public static final H2ConnectionOption TRACE_LEVEL_FILE
```
    0..3 (0=OFF, 1=ERROR, 2=INFO, 3=DEBUG)
    
    See Also:
    
    Using the Trace Options
  - TRACE_MAX_FILE_SIZE
```
public static final H2ConnectionOption TRACE_MAX_FILE_SIZE
```
    Megabytes (to override the 16mb default, e.g. 64)
    
    See Also:
    
    Using the Trace Options
  - TRACE_LEVEL_SYSTEM_OUT
```
public static final H2ConnectionOption TRACE_LEVEL_SYSTEM_OUT
```
    0..3 (0=OFF, 1=ERROR, 2=INFO, 3=DEBUG)
    
    See Also:
    
    Changing Other Settings
  - LOG
```
public static final H2ConnectionOption LOG
```
  - IGNORE_UNKNOWN_SETTINGS
```
public static final H2ConnectionOption IGNORE_UNKNOWN_SETTINGS
```
    TRUE|FALSE
    
    See Also:
    
    Ignore Unknown Settings
  - ACCESS_MODE_DATA
```
public static final H2ConnectionOption ACCESS_MODE_DATA
```
    r|rw|rws|rwd (r=read, rw=read/write)
    
    See Also:
    
    Custom File Access Mode
  - MODE
```
public static final H2ConnectionOption MODE
```
    DB2|Derby|HSQLDB|MSSQLServer|MySQL|Oracle|PostgreSQL|Ignite
    
    See Also:
    
    Compatibility Mode
  - AUTO_SERVER
```
public static final H2ConnectionOption AUTO_SERVER
```
    TRUE|FALSE
    
    See Also:
    
    Auto Mixed Mode
  - AUTO_SERVER_PORT
```
public static final H2ConnectionOption AUTO_SERVER_PORT
```
    A port number
    
    See Also:
    
    Auto Mixed Mode
  - PAGE_SIZE
```
public static final H2ConnectionOption PAGE_SIZE
```
    Bytes (e.g. 512)
    
    See Also:
    
    Page Size
  - MULTI_THREADED
```
public static final H2ConnectionOption MULTI_THREADED
```
    Number of threads (e.g. 4)
    
    See Also:
    
    Multiple Connections
  - CACHE_TYPE
```
public static final H2ConnectionOption CACHE_TYPE
```
    TQ|SOFT_LRU
    
    See Also:
    
    Cache Settings
  - PASSWORD_HASH
```
public static final H2ConnectionOption PASSWORD_HASH
```
    TRUE|FALSE
    
    See Also:
    
    Password Hash
- Method Detail
  - values
```
public static H2ConnectionOption[] values()
```
    Returns an array containing the constants of this enum type, in the order they are declared. This method may be used to iterate over the constants as follows:
```
for (H2ConnectionOption c : H2ConnectionOption.values())
    System.out.println(c);
```
    Returns:
    
    an array containing the constants of this enum type, in the order they are declared
  - valueOf
```
public static H2ConnectionOption valueOf(String name)
```
    Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)
    
    Parameters:
    
    name - the name of the enum constant to be returned.
    
    Returns:
    
    the enum constant with the specified name
    
    Throws:
    
    IllegalArgumentException - if this enum type has no constant with the specified name
    
    NullPointerException - if the argument is null
  - getKey
```
public String getKey()
```

Enum H2ConnectionOption

Enum Constant Summary

Method Summary

Methods inherited from class java.lang.Enum

Methods inherited from class java.lang.Object

Enum Constant Detail

FILE_LOCK

IFEXISTS

DB_CLOSE_DELAY

DB_CLOSE_ON_EXIT

INIT

TRACE_LEVEL_FILE

TRACE_MAX_FILE_SIZE

TRACE_LEVEL_SYSTEM_OUT

LOG

IGNORE_UNKNOWN_SETTINGS

ACCESS_MODE_DATA

MODE

AUTO_SERVER

AUTO_SERVER_PORT

PAGE_SIZE

MULTI_THREADED

CACHE_TYPE

PASSWORD_HASH

Method Detail

values

valueOf

getKey