SqlAbstractParserImpl.MetadataImpl

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org.eigenbase.sql.parser
Class SqlAbstractParserImpl.MetadataImpl

java.lang.Object
  org.eigenbase.sql.parser.SqlAbstractParserImpl.MetadataImpl

public static class SqlAbstractParserImpl.MetadataImpl
extends Object
implements SqlAbstractParserImpl.Metadata
extends Object
implements SqlAbstractParserImpl.Metadata

Default implementation of the SqlAbstractParserImpl.Metadata interface.

Field Summary
`private Set<String>`	`contextVariableNames`
`private Set<String>`	`nonReservedKeyWordSet`
`private Set<String>`	`reservedFunctionNames`
`private Set<String>`	`reservedWords`
`private String`	`sql92ReservedWords`
`private List<String>`	`tokenList` Immutable list of all tokens, in alphabetical order.
`private SortedSet<String>`	`tokenSet` Set of all tokens.

Constructor Summary
`SqlAbstractParserImpl.MetadataImpl(SqlAbstractParserImpl sqlParser)` Creates a MetadataImpl.

Method Summary
`private String`	`constructSql92ReservedWordList()` Builds a comma-separated list of JDBC reserved words.
`String`	`getJdbcKeywords()` Returns comma-separated list of JDBC keywords.
`List<String>`	`getTokens()` Returns a list of all tokens in alphabetical order.
`private void`	`initList(SqlAbstractParserImpl parserImpl, Set<String> keywords, String name)` Initializes lists of keywords.
`boolean`	`isContextVariableName(String token)` Returns whether token is the name of a context variable such as "CURRENT_USER".
`boolean`	`isKeyword(String token)` Returns whether token is a keyword.
`boolean`	`isNonReservedKeyword(String token)` Returns true if token is a keyword but not a reserved word.
`boolean`	`isReservedFunctionName(String token)` Returns whether token is a reserved function name such as "CURRENT_USER".
`boolean`	`isReservedWord(String token)` Returns whether token is a reserved word.
`boolean`	`isSql92ReservedWord(String token)` Returns whether token is a reserved word as specified by the SQL:92 standard.
`private Object`	`virtualCall(SqlAbstractParserImpl parserImpl, String name)` Uses reflection to invoke a method on this parser.

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

Field Detail

private final Set<String> reservedFunctionNames

private final Set<String> contextVariableNames

private final Set<String> nonReservedKeyWordSet

private final SortedSet<String> tokenSet

Set of all tokens.

private final List<String> tokenList

Immutable list of all tokens, in alphabetical order.

private final Set<String> reservedWords

private final String sql92ReservedWords

Constructor Detail

public SqlAbstractParserImpl.MetadataImpl(SqlAbstractParserImpl sqlParser)

Creates a MetadataImpl.

Method Detail

private void initList(SqlAbstractParserImpl parserImpl,
                      Set<String> keywords,
                      String name)

Initializes lists of keywords.

private Object virtualCall(SqlAbstractParserImpl parserImpl,
                           String name)
                    throws Throwable

Uses reflection to invoke a method on this parser. The method must be public and have no parameters.

Parameters:: parserImpl - Parser; name - Name of method. For example "ReservedFunctionName".
Returns:: Result of calling method
Throws:: Throwable

private String constructSql92ReservedWordList()

Builds a comma-separated list of JDBC reserved words.