public static boolean visit(
Like obj, BooleanJunction<BooleanJunction> junction, QueryBuilder queryBuilder)
throws TranslatorException {
LogManager.logTrace(LogConstants.CTX_CONNECTOR, "Parsing LIKE criteria."); // $NON-NLS-1$
Expression lhs = obj.getLeftExpression();
Expression rhs = obj.getRightExpression();
Column c = null;
Expression literalExp = null;
if (lhs instanceof ColumnReference) {
c = ((ColumnReference) lhs).getMetadataObject();
literalExp = rhs;
} else {
c = ((ColumnReference) rhs).getMetadataObject();
literalExp = lhs;
}
String value = null;
if (literalExp instanceof Literal) {
value = (String) escapeReservedChars(((Literal) literalExp).getValue());
createLikeQuery(
c, value.replaceAll("%", ""), junction, queryBuilder); // "*" //$NON-NLS-1$ //$NON-NLS-2$
} else {
final String msg =
ObjectPlugin.Util.getString(
"LuceneSearch.Unsupported_expression", //$NON-NLS-1$
new Object[] {literalExp.toString(), "LIKE"}); // $NON-NLS-1$
throw new TranslatorException(msg);
}
return true;
}
@SuppressWarnings("rawtypes")
public static FilterConditionContext visit(
Like obj, QueryBuilder queryBuilder, FilterConditionBeginContext fcbc)
throws TranslatorException {
LogManager.logTrace(LogConstants.CTX_CONNECTOR, "Parsing LIKE criteria."); // $NON-NLS-1$
Expression lhs = obj.getLeftExpression();
Expression rhs = obj.getRightExpression();
Column c = null;
Expression literalExp = null;
if (lhs instanceof ColumnReference) {
c = ((ColumnReference) lhs).getMetadataObject();
literalExp = rhs;
} else {
c = ((ColumnReference) rhs).getMetadataObject();
literalExp = lhs;
}
String value = null;
if (literalExp instanceof Literal) {
value = (String) escapeReservedChars(((Literal) literalExp).getValue());
if (fcbc == null) {
if (obj.isNegated()) {
return queryBuilder.not().having(c.getSourceName()).like(value);
}
return queryBuilder.having(c.getSourceName()).like(value);
}
if (obj.isNegated()) {
return fcbc.not().having(c.getSourceName()).like(value);
}
return fcbc.having(c.getSourceName()).like(value);
}
throw new TranslatorException(
InfinispanPlugin.Util.gs(
InfinispanPlugin.Event.TEIID25052, new Object[] {literalExp.toString(), "LIKE"}));
}
public void helpTest(Expression srcExpression, String tgtType, String expectedExpression)
throws Exception {
Function func =
LANG_FACTORY.createFunction(
"convert", //$NON-NLS-1$
Arrays.asList(srcExpression, LANG_FACTORY.createLiteral(tgtType, String.class)),
TypeFacility.getDataTypeClass(tgtType));
assertEquals(
"Error converting from " + srcExpression.getType() + " to " + tgtType,
expectedExpression,
helpGetString(func));
}
