org.datanucleus.store.rdbms.sql.method
Class StringMatchesMethod

java.lang.Object
  org.datanucleus.store.rdbms.sql.method.AbstractSQLMethod
      org.datanucleus.store.rdbms.sql.method.StringMatchesMethod

All Implemented Interfaces:

SQLMethod

Direct Known Subclasses:

StringMatchesDerbyMethod, StringSimilarPostgresqlMethod

public class StringMatchesMethod
extends AbstractSQLMethod

Expression handler to evaluate {stringExpression}.matches(StringExpression). Returns a BooleanExpression using LIKE.

Field Summary

Fields inherited from class org.datanucleus.store.rdbms.sql.method.AbstractSQLMethod

clr, exprFactory, LOCALISER, stmt

Constructor Summary

StringMatchesMethod()

Method Summary

protected BooleanExpression	getBooleanLikeExpression(SQLExpression expr, SQLExpression regExpr, SQLExpression escapeExpr)
SQLExpression	getExpression(SQLExpression expr, List args) Return the expression for this SQL function.
protected BooleanExpression	getExpressionForStringExpressionInput(SQLExpression expr, SQLExpression regExpr, SQLExpression escapeExpr)

Methods inherited from class org.datanucleus.store.rdbms.sql.method.AbstractSQLMethod

getMappingForClass, setStatement

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

StringMatchesMethod

public StringMatchesMethod()

Method Detail

getExpression

public SQLExpression getExpression(SQLExpression expr,
                                   List args)

Description copied from interface: SQLMethod

Return the expression for this SQL function.

Parameters:

expr - The expression that it is invoked on

args - Arguments passed in

Returns:

The SQL expression using the SQL function

getExpressionForStringExpressionInput

protected BooleanExpression getExpressionForStringExpressionInput(SQLExpression expr,
                                                                  SQLExpression regExpr,
                                                                  SQLExpression escapeExpr)

getBooleanLikeExpression

protected BooleanExpression getBooleanLikeExpression(SQLExpression expr,
                                                     SQLExpression regExpr,
                                                     SQLExpression escapeExpr)