// Copyright 2017 JanusGraph Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package org.janusgraph.graphdb.types.indextype;
import com.google.common.collect.Iterables;
import org.janusgraph.core.schema.Parameter;
import org.janusgraph.core.PropertyKey;
import org.janusgraph.graphdb.types.*;
import org.apache.tinkerpop.gremlin.structure.Direction;
/**
* @author Matthias Broecheler (me@matthiasb.com)
*/
public class MixedIndexTypeWrapper extends IndexTypeWrapper implements MixedIndexType {
public static final String NAME_PREFIX = "extindex";
public MixedIndexTypeWrapper(SchemaSource base) {
super(base);
}
@Override
public boolean isCompositeIndex() {
return false;
}
@Override
public boolean isMixedIndex() {
return true;
}
ParameterIndexField[] fields = null;
@Override
public ParameterIndexField[] getFieldKeys() {
ParameterIndexField[] result = fields;
if (result==null) {
Iterable<SchemaSource.Entry> entries = base.getRelated(TypeDefinitionCategory.INDEX_FIELD,Direction.OUT);
int numFields = Iterables.size(entries);
result = new ParameterIndexField[numFields];
int pos = 0;
for (SchemaSource.Entry entry : entries) {
assert entry.getSchemaType() instanceof PropertyKey;
assert entry.getModifier() instanceof Parameter[];
result[pos++]=ParameterIndexField.of((PropertyKey)entry.getSchemaType(),(Parameter[])entry.getModifier());
}
fields = result;
}
assert result!=null;
return result;
}
@Override
public ParameterIndexField getField(PropertyKey key) {
return (ParameterIndexField)super.getField(key);
}
@Override
public void resetCache() {
super.resetCache();
fields = null;
}
@Override
public String getStoreName() {
return base.getDefinition().getValue(TypeDefinitionCategory.INDEXSTORE_NAME,String.class);
}
}