// 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.tinkerpop;
import org.janusgraph.core.attribute.Geoshape;
import org.janusgraph.core.Cardinality;
import org.janusgraph.core.PropertyKey;
import org.janusgraph.core.schema.DefaultSchemaMaker;
import org.janusgraph.core.schema.PropertyKeyMaker;
import java.util.Date;
import java.util.UUID;
/**
* {@link org.janusgraph.core.schema.DefaultSchemaMaker} implementation for Blueprints graphs
*
* @author Matthias Broecheler (me@matthiasb.com)
*/
public class JanusGraphDefaultSchemaMaker implements DefaultSchemaMaker {
public static final DefaultSchemaMaker INSTANCE = new JanusGraphDefaultSchemaMaker();
private JanusGraphDefaultSchemaMaker() {
}
@Override
public Cardinality defaultPropertyCardinality(String key) {
return Cardinality.SINGLE;
}
@Override
public PropertyKey makePropertyKey(PropertyKeyMaker factory, Object value) {
String name = factory.getName();
Class klass = determineClass(value);
return factory.cardinality(defaultPropertyCardinality(name)).dataType(klass).make();
}
@Override
public boolean ignoreUndefinedQueryTypes() {
return true;
}
protected Class determineClass(Object value) {
if (value instanceof String) {
return String.class;
} else if (value instanceof Character) {
return Character.class;
} else if (value instanceof Boolean) {
return Boolean.class;
} else if (value instanceof Byte) {
return Byte.class;
} else if (value instanceof Short) {
return Short.class;
} else if (value instanceof Integer) {
return Integer.class;
} else if (value instanceof Long) {
return Long.class;
} else if (value instanceof Float) {
return Float.class;
} else if (value instanceof Double) {
return Double.class;
} else if (value instanceof Date) {
return Date.class;
} else if (value instanceof Geoshape) {
return Geoshape.class;
} else if (value instanceof UUID) {
return UUID.class;
} else {
return Object.class;
}
}
}