com.zaradai.bloodstone.model.validation.UniqueFlowIdValidator.java Source code

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Here is the source code for com.zaradai.bloodstone.model.validation.UniqueFlowIdValidator.java

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/**
 * Copyright 2014 Zaradai
 *
 * 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.zaradai.bloodstone.model.validation;

import com.google.common.collect.Maps;
import com.zaradai.bloodstone.model.ModelException;
import com.zaradai.bloodstone.model.generated.Bloodstone;
import com.zaradai.bloodstone.model.generated.Flow;

import java.util.Map;

/**
 * Ensures that all flows have unique identifiers.
 */
public class UniqueFlowIdValidator implements ConfigValidator {
    @Override
    public void validate(Bloodstone bloodstone) throws ModelException {
        Map<String, Object> uniqueMap = Maps.newHashMap();

        for (Flow flow : bloodstone.getFlows().values()) {
            String key = flow.getId();
            if (uniqueMap.containsKey(key)) {
                throw new ModelException(String.format("Configuration already contains a graph named %s", key));
            }
            uniqueMap.put(key, flow);
        }
    }
}