com.speedment.common.injector.internal.dependency.DependencyNodeImpl Maven / Gradle / Ivy
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A Speedment bundle that shades all dependencies into one jar. This is
useful when deploying an application on a server.
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/*
*
* Copyright (c) 2006-2019, Speedment, Inc. All Rights Reserved.
*
* 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.speedment.common.injector.internal.dependency;
import com.speedment.common.injector.State;
import com.speedment.common.injector.dependency.Dependency;
import com.speedment.common.injector.dependency.DependencyNode;
import com.speedment.common.injector.execution.Execution;
import static java.util.Collections.newSetFromMap;
import java.util.List;
import static java.util.Objects.requireNonNull;
import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.CopyOnWriteArrayList;
/**
*
* @author Emil Forslund
* @since 1.0.0
*/
public final class DependencyNodeImpl implements DependencyNode {
private final Class representedType;
private final Set dependencies;
private final List> executions;
private State currentState;
public DependencyNodeImpl(Class representedType) {
this.representedType = requireNonNull(representedType);
this.dependencies = newSetFromMap(new ConcurrentHashMap<>());
this.executions = new CopyOnWriteArrayList<>();
this.currentState = State.CREATED;
}
@Override
public Class getRepresentedType() {
return representedType;
}
@Override
public Set getDependencies() {
return dependencies;
}
@Override
public List> getExecutions() {
return executions;
}
@Override
public State getCurrentState() {
return currentState;
}
@Override
public void setState(State newState) {
currentState = requireNonNull(newState);
}
@Override
public boolean canBe(State state) {
// Make sure all dependencies of the executions have been satisfied.
return executions.stream()
.filter(e -> e.getState().ordinal() <= state.ordinal())
.flatMap(e -> e.getDependencies().stream())
.map(Dependency::getNode)
.allMatch(node -> node.is(state));
}
@Override
public boolean is(State state) {
return currentState.ordinal() >= state.ordinal();
}
}