Enum TransactionMode
- java.lang.Object
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- java.lang.Enum<TransactionMode>
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- com.google.cloud.spanner.connection.TransactionMode
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- All Implemented Interfaces:
Serializable
,Comparable<TransactionMode>
public enum TransactionMode extends Enum<TransactionMode>
Enum used to define the transaction type of aConnection
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Enum Constant Summary
Enum Constants Enum Constant Description READ_ONLY_TRANSACTION
READ_WRITE_TRANSACTION
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Method Summary
All Methods Static Methods Instance Methods Concrete Methods Modifier and Type Method Description String
getStatementString()
Use this method to get the correct format for use in a SQL statement.String
toString()
static TransactionMode
valueOf(String name)
Returns the enum constant of this type with the specified name.static TransactionMode[]
values()
Returns an array containing the constants of this enum type, in the order they are declared.
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Enum Constant Detail
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READ_ONLY_TRANSACTION
public static final TransactionMode READ_ONLY_TRANSACTION
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READ_WRITE_TRANSACTION
public static final TransactionMode READ_WRITE_TRANSACTION
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Method Detail
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values
public static TransactionMode[] 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 (TransactionMode c : TransactionMode.values()) System.out.println(c);
- Returns:
- an array containing the constants of this enum type, in the order they are declared
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valueOf
public static TransactionMode 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 nameNullPointerException
- if the argument is null
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getStatementString
public String getStatementString()
Use this method to get the correct format for use in a SQL statement. The SQL statement for setting the mode to read-only should for example be without the underscore:SET TRANSACTION READ ONLY
- Returns:
- a string representation of this
TransactionMode
that can be used in a SQL statement to set the transaction mode.
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toString
public String toString()
- Overrides:
toString
in classEnum<TransactionMode>
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