Package org.apache.derby.catalog
Class Java5SystemProcedures
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- org.apache.derby.catalog.Java5SystemProcedures
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public class Java5SystemProcedures extends java.lang.Object
System procedures which run only on Java 5 or higher.
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Field Summary
Fields Modifier and Type Field Description private static java.lang.String
CUSTOM_TOOL_CLASS_NAME
Generic name for all user-supplied tools: the first optional arg is the tool class nameprivate static java.lang.String[][]
OPTIONAL_TOOLS
Mapping of tool names to their implementing classes for use by SYSCS_REGISTER_TOOLprivate static int
TOOL_CLASS_NAME
private static int
TOOL_NAME
Offsets into arrays in OPTIONAL_TOOLS
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Constructor Summary
Constructors Constructor Description Java5SystemProcedures()
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Method Summary
All Methods Static Methods Concrete Methods Modifier and Type Method Description private static StandardException
badCustomTool(java.lang.String className)
private static StandardException
badTool(java.lang.String toolName)
private static java.lang.String
findToolClassName(java.lang.String toolName, java.lang.String... optionalArgs)
Lookup the class name corresponding to the name of an optional toolprivate static Context
getContext(java.lang.String contextID)
Privileged lookup of a Context.private static java.lang.String[]
stripCustomClassName(java.lang.String... optionalArgs)
For a custom tool, we strip the first arg from the list of optional args.static void
SYSCS_REGISTER_TOOL(java.lang.String toolName, boolean register, java.lang.String... optionalArgs)
Load or unload an optional tool package.private static StandardException
wrap(java.lang.Throwable t)
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Field Detail
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TOOL_NAME
private static final int TOOL_NAME
Offsets into arrays in OPTIONAL_TOOLS- See Also:
- Constant Field Values
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TOOL_CLASS_NAME
private static final int TOOL_CLASS_NAME
- See Also:
- Constant Field Values
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CUSTOM_TOOL_CLASS_NAME
private static final java.lang.String CUSTOM_TOOL_CLASS_NAME
Generic name for all user-supplied tools: the first optional arg is the tool class name- See Also:
- Constant Field Values
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OPTIONAL_TOOLS
private static final java.lang.String[][] OPTIONAL_TOOLS
Mapping of tool names to their implementing classes for use by SYSCS_REGISTER_TOOL
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Method Detail
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SYSCS_REGISTER_TOOL
public static void SYSCS_REGISTER_TOOL(java.lang.String toolName, boolean register, java.lang.String... optionalArgs) throws java.sql.SQLException
Load or unload an optional tool package. If the tool name is the special CUSTOM_TOOL_CLASS_NAME tool, then the first optionalArg is the name of a user-supplied class which implements OptionalTool.
- Parameters:
toolName
- Name of the tool package.register
- True if the package should be loaded, false otherwise.optionalArgs
- Tool-specific configuration parameters.- Throws:
java.sql.SQLException
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findToolClassName
private static java.lang.String findToolClassName(java.lang.String toolName, java.lang.String... optionalArgs) throws StandardException
Lookup the class name corresponding to the name of an optional tool- Throws:
StandardException
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badTool
private static StandardException badTool(java.lang.String toolName)
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badCustomTool
private static StandardException badCustomTool(java.lang.String className)
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stripCustomClassName
private static java.lang.String[] stripCustomClassName(java.lang.String... optionalArgs)
For a custom tool, we strip the first arg from the list of optional args. By the time we get to this method, it has already been determined that there is at least one arg and it is the name of a class which implements OptionalTool.
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wrap
private static StandardException wrap(java.lang.Throwable t)
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getContext
private static Context getContext(java.lang.String contextID)
Privileged lookup of a Context. Must be private so that user code can't call this entry point.
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