eu.larkc.iris.storage.IRIWritable.java Source code

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Here is the source code for eu.larkc.iris.storage.IRIWritable.java

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/*
 * Copyright 2010 Softgress - http://www.softgress.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.
 */
package eu.larkc.iris.storage;

import java.io.DataInput;
import java.io.DataOutput;
import java.io.IOException;

import org.apache.commons.lang.builder.EqualsBuilder;
import org.apache.commons.lang.builder.HashCodeBuilder;
import org.deri.iris.api.basics.IPredicate;
import org.deri.iris.api.terms.concrete.IIri;

/**
 * @author vroman
 *
 */
public class IRIWritable extends eu.larkc.iris.storage.WritableComparable {

    /**
     * serialVersionUID
     */
    private static final long serialVersionUID = -880894757243165205L;

    protected String iri;

    public IRIWritable() {
    }

    public IRIWritable(IPredicate predicate) {
        this.iri = predicate.getPredicateSymbol();
    }

    public IRIWritable(IIri iri) {
        this.iri = iri.getValue();
    }

    public String getValue() {
        return iri;
    }

    public void setValue(String value) {
        this.iri = value;
    }

    /* (non-Javadoc)
     * @see eu.larkc.iris.storage.WritableComparable#getCompareValue()
     */
    @Override
    protected String getCompareValue() {
        return iri;
    }

    @Override
    public void write(DataOutput out) throws IOException {
        out.writeUTF(iri);
    }

    @Override
    public void readFields(DataInput in) throws IOException {
        iri = in.readUTF();
    }

    public static IRIWritable read(DataInput in) throws IOException {
        IRIWritable iriWritable = new IRIWritable();
        String iri = in.readUTF();
        iriWritable.iri = iri;
        return iriWritable;
    }

    @Override
    public String toString() {
        return "iri[" + iri + "]";
    }

    @Override
    public boolean equals(Object obj) {
        if (obj == this) {
            return true;
        }
        if (!(obj instanceof IRIWritable)) {
            return false;
        }
        IRIWritable i = (IRIWritable) obj;
        return new EqualsBuilder().append(iri, i.iri).isEquals();
    }

    @Override
    public int hashCode() {
        return new HashCodeBuilder().append(iri).hashCode();
    }

}