org.jboss.errai.ioc.rebind.ioc.graph.impl.DependencyGraphImpl.java Source code

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Here is the source code for org.jboss.errai.ioc.rebind.ioc.graph.impl.DependencyGraphImpl.java

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/**
 * Copyright (C) 2016 Red Hat, Inc. and/or its affiliates.
 *
 * 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.jboss.errai.ioc.rebind.ioc.graph.impl;

import java.util.Iterator;
import java.util.Map;

import org.jboss.errai.ioc.rebind.ioc.graph.api.DependencyGraph;
import org.jboss.errai.ioc.rebind.ioc.graph.api.Injectable;

import com.google.common.collect.Iterators;

/**
 * @see DependencyGraph
 * @author Max Barkley <mbarkley@redhat.com>
 */
class DependencyGraphImpl implements DependencyGraph {

    private final Map<String, Injectable> injectablesByName;

    DependencyGraphImpl(final Map<String, Injectable> injectablesByName) {
        this.injectablesByName = injectablesByName;
    }

    @Override
    public Iterator<Injectable> iterator() {
        return Iterators.unmodifiableIterator(injectablesByName.values().iterator());
    }

    @Override
    public Injectable getConcreteInjectable(final String injectableName) {
        return injectablesByName.get(injectableName);
    }

    @Override
    public int getNumberOfInjectables() {
        return injectablesByName.size();
    }

}