SessionPropertyContext.java

/*
 * 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 com.facebook.presto.spi.session;

import com.facebook.presto.common.type.TypeManager;
import com.facebook.presto.spi.NodeManager;

import java.util.Optional;

import static java.util.Objects.requireNonNull;

public class SessionPropertyContext
{
    private final Optional<TypeManager> typeManager;
    private final Optional<NodeManager> nodeManager;

    public SessionPropertyContext(Optional<TypeManager> typeManager, Optional<NodeManager> nodeManager)
    {
        this.typeManager = requireNonNull(typeManager, "typeManager is null");
        this.nodeManager = requireNonNull(nodeManager, "nodeManager is null");
    }

    public NodeManager getNodeManager()
    {
        return nodeManager.orElseThrow(() -> new IllegalArgumentException("nodeManager is not present"));
    }

    public TypeManager getTypeManager()
    {
        return typeManager.orElseThrow(() -> new IllegalArgumentException("typeManager is not present"));
    }
}