com.azaptree.services.command.CommandKey.java Source code

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Here is the source code for com.azaptree.services.command.CommandKey.java

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package com.azaptree.services.command;

/*
 * #%L
 * AZAPTREE-COMMAND-SERVICE
 * %%
 * Copyright (C) 2012 AZAPTREE.COM
 * %%
 * 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.
 * #L%
 */

import java.io.Serializable;
import java.util.Objects;

import org.apache.commons.chain.CatalogFactory;
import org.hibernate.validator.constraints.NotBlank;
import org.springframework.util.Assert;

import com.google.common.collect.ComparisonChain;

public class CommandKey implements Serializable, Comparable<CommandKey> {
    private static final long serialVersionUID = 1L;

    private final String catalogName;
    private final String commandName;

    private final int hashCode;

    public CommandKey(final String catalogName, final String commandName) {
        Assert.hasText(catalogName);
        Assert.hasText(commandName);
        this.catalogName = catalogName;
        this.commandName = commandName;
        this.hashCode = Objects.hash(catalogName, commandName);
    }

    @Override
    public int compareTo(final CommandKey o) {
        if (o == null) {
            return 1;
        }
        return ComparisonChain.start().compare(catalogName, o.catalogName).compare(commandName, o.commandName)
                .result();
    }

    @Override
    public boolean equals(final Object obj) {
        if (this == obj) {
            return true;
        }
        if (obj == null) {
            return false;
        }
        if (!(obj instanceof CommandKey)) {
            return false;
        }
        final CommandKey other = (CommandKey) obj;
        if (catalogName == null) {
            if (other.catalogName != null) {
                return false;
            }
        } else if (!catalogName.equals(other.catalogName)) {
            return false;
        }
        if (commandName == null) {
            if (other.commandName != null) {
                return false;
            }
        } else if (!commandName.equals(other.commandName)) {
            return false;
        }
        return true;
    }

    @NotBlank
    public String getCatalogName() {
        return catalogName;
    }

    @NotBlank
    public String getCommandName() {
        return commandName;
    }

    @Override
    public int hashCode() {
        return hashCode;
    }

    @Override
    public String toString() {
        return toString(new StringBuilder(64));
    }

    public String toString(StringBuilder sb) {
        return sb.append(catalogName).append(CatalogFactory.DELIMITER).append(commandName).toString();
    }

}