org.datanucleus.store.rdbms.sql.method

Class StringMatchesMethod

java.lang.Object

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

All Implemented Interfaces:

SQLMethod

Direct Known Subclasses:

StringMatchesDerbyMethod, StringSimilarPostgresqlMethod

public class StringMatchesMethod
extends Object
implements SQLMethod

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

Constructor Summary

Constructors

Constructor and Description
StringMatchesMethod()

Method Summary

Modifier and Type	Method and Description
protected BooleanExpression	getBooleanLikeExpression(SQLStatement stmt, SQLExpression expr, SQLExpression regExpr, SQLExpression escapeExpr)
SQLExpression	getExpression(SQLStatement stmt, SQLExpression expr, List<SQLExpression> args) Return the expression for this SQL function.
protected BooleanExpression	getExpressionForStringExpressionInput(SQLStatement stmt, SQLExpression expr, SQLExpression regExpr, SQLExpression escapeExpr)

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(SQLStatement stmt,
                                   SQLExpression expr,
                                   List<SQLExpression> args)

Description copied from interface: SQLMethod

Return the expression for this SQL function.

Specified by:

getExpression in interface SQLMethod

Parameters:

stmt - SQLStatement that this expression is for

expr - The expression that it is invoked on

args - Arguments passed in

Returns:

The SQL expression using the SQL function

getExpressionForStringExpressionInput

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

getBooleanLikeExpression

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