/*
* Copyright (c) 2015 Pantheon Technologies s.r.o. and others. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v1.0 which accompanies this distribution,
* and is available at http://www.eclipse.org/legal/epl-v10.html
*/
package org.opendaylight.yangtools.yang.model.util.type;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.ImmutableMap.Builder;
import java.util.HashMap;
import java.util.Map;
import javax.annotation.Nonnull;
import org.opendaylight.yangtools.yang.model.api.SchemaPath;
import org.opendaylight.yangtools.yang.model.api.type.EnumTypeDefinition;
import org.opendaylight.yangtools.yang.model.api.type.EnumTypeDefinition.EnumPair;
public final class EnumerationTypeBuilder extends AbstractRestrictedTypeBuilder<EnumTypeDefinition> {
private final Builder<String, EnumPair> builder = ImmutableMap.builder();
EnumerationTypeBuilder(final SchemaPath path) {
super(null, path);
}
EnumerationTypeBuilder(final EnumTypeDefinition baseType, final SchemaPath path) {
super(baseType, path);
}
public EnumerationTypeBuilder addEnum(@Nonnull final EnumPair item) {
// in case we are dealing with a restricted enumeration type, validate if the enum is a subset of its base type
if (getBaseType() != null) {
validateRestrictedEnum(item);
}
builder.put(item.getName(), item);
touch();
return this;
}
private void validateRestrictedEnum(@Nonnull final EnumPair item) {
boolean isASubsetOfBaseEnums = false;
for (EnumPair baseTypeEnumPair : getBaseType().getValues()) {
if (item.getName().equals(baseTypeEnumPair.getName())) {
if (item.getValue() != baseTypeEnumPair.getValue()) {
throw new InvalidEnumDefinitionException(item, "Value of enum '%s' must be the same as the value" +
" of corresponding enum in the base enumeration type %s.", item.getName(),
getBaseType().getQName());
}
isASubsetOfBaseEnums = true;
break;
}
}
if (!isASubsetOfBaseEnums) {
throw new InvalidEnumDefinitionException(item, "Enum '%s' is not a subset of its base enumeration type %s.",
item.getName(), getBaseType().getQName());
}
}
@Override
public EnumTypeDefinition buildType() {
final Map<String, EnumPair> map = builder.build();
final Map<Integer, EnumPair> positionMap = new HashMap<>();
for (EnumPair p : map.values()) {
final EnumPair conflict = positionMap.put(p.getValue(), p);
if (conflict != null) {
throw new InvalidEnumDefinitionException(p, "Bit %s conflicts on position with bit ", conflict);
}
}
if (getBaseType() == null) {
return new BaseEnumerationType(getPath(), getUnknownSchemaNodes(), map.values());
} else {
return new RestrictedEnumerationType(getBaseType(), getPath(), getUnknownSchemaNodes(), map.values());
}
}
}