com.marklogic.mapreduce.NodePath Maven / Gradle / Ivy
/*
* Copyright (c) 2020 MarkLogic Corporation
*
* 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.marklogic.mapreduce;
import java.io.DataInput;
import java.io.DataOutput;
import java.io.IOException;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.io.WritableComparable;
import com.marklogic.mapreduce.utilities.InternalUtilities;
/**
* Node path usable as a key for a node record. Use with
* {@link NodeInputFormat} and {@link NodeOutputFormat}.
*
* @author jchen
*/
public class NodePath implements WritableComparable {
// TODO: revisit -- is it faster to use Text or String?
private String docUri;
private String path; // relative path
public NodePath() {}
public NodePath(String uri, String path) {
docUri = uri;
this.path = path;
}
public void set(String uri, String path) {
docUri = uri;
this.path = path;
}
@Override
public void readFields(DataInput in) throws IOException {
docUri = Text.readString(in);
path = Text.readString(in);
}
@Override
public void write(DataOutput out) throws IOException {
Text.writeString(out, docUri);
Text.writeString(out, path);
}
public String getDocumentUri() {
return docUri;
}
public void setDocumentUri(String docUri) {
this.docUri = docUri;
}
public String getRelativePath() {
return path;
}
public void setRelativePath(String path) {
this.path = path;
}
public String getFullPath() {
StringBuilder buf = new StringBuilder();
buf.append("fn:doc(\"");
buf.append(InternalUtilities.unparse(docUri));
buf.append("\")");
buf.append(path);
return buf.toString();
}
@Override
public int compareTo(NodePath o) {
return (docUri + path).compareTo(o.getDocumentUri() + o.getRelativePath());
}
}