Java tutorial
/* * Copyright 2011 JBoss Inc * * 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.drools.planner.examples.machinereassignment.domain.solver; import java.io.Serializable; import org.apache.commons.lang.builder.CompareToBuilder; import org.apache.commons.lang.builder.EqualsBuilder; import org.apache.commons.lang.builder.HashCodeBuilder; import org.drools.planner.examples.machinereassignment.domain.MrMachine; import org.drools.planner.examples.machinereassignment.domain.MrMachineCapacity; import org.drools.planner.examples.machinereassignment.domain.MrResource; public class MrMachineTransientUsage implements Serializable, Comparable<MrMachineTransientUsage> { private MrMachineCapacity machineCapacity; private long usage; public MrMachineTransientUsage(MrMachineCapacity machineCapacity, long usage) { this.machineCapacity = machineCapacity; this.usage = usage; } public MrMachineCapacity getMachineCapacity() { return machineCapacity; } public long getUsage() { return usage; } public boolean equals(Object o) { if (this == o) { return true; } else if (o instanceof MrMachineTransientUsage) { MrMachineTransientUsage other = (MrMachineTransientUsage) o; return new EqualsBuilder().append(machineCapacity, other.machineCapacity).append(usage, other.usage) .isEquals(); } else { return false; } } public int hashCode() { return new HashCodeBuilder().append(machineCapacity).append(usage).toHashCode(); } // Used by the GUI to sort the ConstraintOccurrence list by causes public int compareTo(MrMachineTransientUsage other) { return new CompareToBuilder().append(machineCapacity, other.machineCapacity).append(usage, other.usage) .toComparison(); } public MrMachine getMachine() { return machineCapacity.getMachine(); } public MrResource getResource() { return machineCapacity.getResource(); } @Override public String toString() { return getMachine() + "-" + getResource() + "=" + usage; } }