Examples with MetadataException org.neo4j.ogm.exception.core.MetadataException used on opensource projects

Example 1 with MetadataException

use of org.neo4j.ogm.exception.core.MetadataException in project neo4j-ogm by neo4j.

the class ClassInfo method getCompositeIndexes.

public Collection<CompositeIndex> getCompositeIndexes() {
    Collection<CompositeIndex> result = this.compositeIndexes;
    if (result == null) {
        synchronized (this) {
            result = this.compositeIndexes;
            if (result == null) {
                CompositeIndex[] annotations = cls.getDeclaredAnnotationsByType(CompositeIndex.class);
                List<CompositeIndex> intermediateResult = new ArrayList<>(annotations.length);
                for (CompositeIndex annotation : annotations) {
                    String[] properties = annotation.value().length > 0 ? annotation.value() : annotation.properties();
                    if (properties.length < 1) {
                        throw new MetadataException("Incorrect CompositeIndex definition on " + className + ". Provide at least 1 property");
                    }
                    for (String property : properties) {
                        // Determine the original field in case the user uses a MapCompositeConverter.
                        Matcher m = AutoIndexManager.COMPOSITE_KEY_MAP_COMPOSITE_PATTERN.matcher(property);
                        if (m.matches()) {
                            property = m.group(1);
                        }
                        FieldInfo fieldInfo = propertyField(property);
                        if (fieldInfo == null) {
                            throw new MetadataException("Incorrect CompositeIndex definition on " + className + ". Property " + property + " does not exists.");
                        }
                    }
                    intermediateResult.add(annotation);
                }
                this.compositeIndexes = Collections.unmodifiableList(intermediateResult);
                result = this.compositeIndexes;
            }
        }
    }
    return result;
}

Example 2 with MetadataException

use of org.neo4j.ogm.exception.core.MetadataException in project neo4j-ogm by neo4j.

the class ClassInfo method getOrComputeIdentityField.

private Optional<FieldInfo> getOrComputeIdentityField() {
    Optional<FieldInfo> result = this.identityField;
    if (result == null) {
        synchronized (this) {
            result = this.identityField;
            if (result == null) {
                // Didn't want to add yet another method related to determining the identy field
                // so the actual resolving of the field inside the Double-checked locking here
                // has been inlined.
                Collection<FieldInfo> identityFields = getFieldInfos(FieldInfo::isInternalIdentity);
                if (identityFields.size() == 1) {
                    this.identityField = Optional.of(identityFields.iterator().next());
                } else if (identityFields.size() > 1) {
                    throw new MetadataException("Expected exactly one internal identity field (@Id with " + "InternalIdStrategy), found " + identityFields.size() + " " + identityFields);
                } else {
                    this.identityField = fieldsInfo.fields().stream().filter(f -> "id".equals(f.getName())).filter(f -> "java.lang.Long".equals(f.getTypeDescriptor())).findFirst();
                }
                result = this.identityField;
            }
        }
    }
    return result;
}