Examples with Expression com.yahoo.vespa.indexinglanguage.expressions.Expression used on opensource projects

Example 1 with Expression

use of com.yahoo.vespa.indexinglanguage.expressions.Expression in project vespa by vespa-engine.

the class IndexingScript method addContentInOrder.

private void addContentInOrder(IlscriptsConfig.Ilscript.Builder ilscriptBuilder) {
    ArrayList<Expression> later = new ArrayList<>();
    Set<String> touchedFields = new HashSet<String>();
    for (Expression exp : expressions) {
        FieldScanVisitor fieldFetcher = new FieldScanVisitor();
        if (modifiesSelf(exp)) {
            later.add(exp);
        } else {
            ilscriptBuilder.content(exp.toString());
        }
        fieldFetcher.visit(exp);
        touchedFields.addAll(fieldFetcher.touchedFields());
    }
    for (Expression exp : later) {
        ilscriptBuilder.content(exp.toString());
    }
    generateSyntheticStatementsForUntouchedFields(ilscriptBuilder, touchedFields);
}

Example 2 with Expression

use of com.yahoo.vespa.indexinglanguage.expressions.Expression in project vespa by vespa-engine.

the class ExpressionConverterTestCase method requireThatSwitchElementsCanBeRemoved.

@Test
public void requireThatSwitchElementsCanBeRemoved() {
    Map<String, Expression> cases = new HashMap<>();
    Expression foo = new AttributeExpression("foo");
    Expression bar = new AttributeExpression("bar");
    cases.put("foo", foo);
    cases.put("bar", bar);
    SwitchExpression before = new SwitchExpression(cases);
    Expression after = new SearchReplace(foo, null).convert(before);
    assertTrue(after instanceof SwitchExpression);
    assertEquals(1, ((SwitchExpression) after).getCases().size());
    after = new SearchReplace(bar, null).convert(before);
    assertTrue(after instanceof SwitchExpression);
    assertEquals(1, ((SwitchExpression) after).getCases().size());
}

Example 3 with Expression

use of com.yahoo.vespa.indexinglanguage.expressions.Expression in project vespa by vespa-engine.

the class ExpressionConverterTestCase method requireThatScriptElementsCanBeRemoved.

@Test
public void requireThatScriptElementsCanBeRemoved() {
    StatementExpression foo = new StatementExpression(new AttributeExpression("foo"));
    StatementExpression bar = new StatementExpression(new AttributeExpression("bar"));
    ScriptExpression before = new ScriptExpression(foo, bar);
    Expression after = new SearchReplace(foo, null).convert(before);
    assertTrue(after instanceof ScriptExpression);
    assertEquals(1, ((ScriptExpression) after).size());
    assertEquals(bar, ((ScriptExpression) after).get(0));
    after = new SearchReplace(bar, null).convert(before);
    assertTrue(after instanceof ScriptExpression);
    assertEquals(1, ((ScriptExpression) after).size());
    assertEquals(foo, ((ScriptExpression) after).get(0));
}

Example 4 with Expression

use of com.yahoo.vespa.indexinglanguage.expressions.Expression in project vespa by vespa-engine.

the class AssertIndexingScript method assertIndexing.

public static void assertIndexing(List<String> expected, Iterable<Expression> actual) {
    List<String> parsedExpected = new LinkedList<>();
    for (String str : expected) {
        try {
            parsedExpected.add(Expression.fromString(str).toString());
        } catch (ParseException e) {
            fail(e.getMessage());
        }
    }
    for (Expression actualExp : actual) {
        String str = actualExp.toString();
        assertTrue("Unexpected: " + str, parsedExpected.remove(str));
    }
    assertTrue("Missing: " + parsedExpected.toString(), parsedExpected.isEmpty());
}

Example 5 with Expression

use of com.yahoo.vespa.indexinglanguage.expressions.Expression in project vespa by vespa-engine.

the class DocumentTestCase method requireThatConcatenationOfEmbracedStatementsWorks.

@Test
public void requireThatConcatenationOfEmbracedStatementsWorks() throws ParseException {
    DocumentType docType = new DocumentType("my_input");
    docType.addField(new Field("str_a", DataType.STRING));
    docType.addField(new Field("str_b", DataType.STRING));
    docType.addField(new Field("out", DataType.getArray(DataType.STRING)));
    Expression exp = Expression.fromString("(input str_a | split ',') . (input str_b | split ',') | index out");
    {
        Document doc = new Document(docType, "doc:scheme:");
        assertNotNull(doc = Expression.execute(exp, doc));
        FieldValue val = doc.getFieldValue("out");
        assertNotNull(val);
        assertEquals(DataType.getArray(DataType.STRING), val.getDataType());
        assertTrue(val instanceof Array);
        Array arr = (Array) val;
        assertEquals(0, arr.size());
    }
    {
        Document doc = new Document(docType, "doc:scheme:");
        doc.setFieldValue("str_a", new StringFieldValue("a1"));
        assertNotNull(doc = Expression.execute(exp, doc));
        FieldValue val = doc.getFieldValue("out");
        assertNotNull(val);
        assertEquals(DataType.getArray(DataType.STRING), val.getDataType());
        assertTrue(val instanceof Array);
        Array arr = (Array) val;
        assertEquals(1, arr.size());
    }
    {
        Document doc = new Document(docType, "doc:scheme:");
        doc.setFieldValue("str_a", new StringFieldValue("a1,a2"));
        doc.setFieldValue("str_b", new StringFieldValue("b1"));
        assertNotNull(doc = Expression.execute(exp, doc));
        FieldValue val = doc.getFieldValue("out");
        assertNotNull(val);
        assertEquals(DataType.getArray(DataType.STRING), val.getDataType());
        assertTrue(val instanceof Array);
        Array arr = (Array) val;
        assertEquals(3, arr.size());
    }
}