org.teiid.translator.mongodb.MergeDetails.java Source code

Introduction

Here is the source code for org.teiid.translator.mongodb.MergeDetails.java

Source

/*
 * JBoss, Home of Professional Open Source.
 * See the COPYRIGHT.txt file distributed with this work for information
 * regarding copyright ownership.  Some portions may be licensed
 * to Red Hat, Inc. under one or more contributor license agreements.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
 * 02110-1301 USA.
 */
package org.teiid.translator.mongodb;

import java.util.ArrayList;
import java.util.List;

import org.teiid.translator.TranslatorException;

import com.mongodb.DB;
import com.mongodb.DBRef;

public class MergeDetails implements Cloneable {
    enum Association {
        ONE, MANY
    };

    private String parentTable;
    private IDRef id;
    private List<String> referenceColumns;
    private List<String> columns;

    private String embeddedTable;
    private Association association;
    private String name;
    private String idReference;
    private String referenceName;
    private String alias;
    private boolean nested;
    private MongoDocument document;

    public MergeDetails(MongoDocument document) {
        this.document = document;
    }

    public String getAlias() {
        if (this.alias != null) {
            return alias;
        }
        return this.name;
    }

    public void setAlias(String alias) {
        this.alias = alias;
    }

    public String getReferenceName() {
        // this is name of the reference key in the document that the embedded document represents.
        return this.referenceName;
    }

    public void setReferenceName(String name) {
        this.referenceName = name;
    }

    public String getName() {
        return this.name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public DBRef getDBRef(DB db, boolean push) {
        if (this.id != null) {
            if (this.idReference != null) {
                return new DBRef(db, push ? this.parentTable : this.embeddedTable,
                        new DBRef(db, this.idReference, this.id.getValue()));
            }
            return new DBRef(db, push ? this.parentTable : this.embeddedTable, this.id.getValue());
        }
        return null;
    }

    public Object getValue() {
        if (this.id != null) {
            return this.id.getValue();
        }
        return null;
    }

    public String getParentTable() {
        return this.parentTable;
    }

    public void setParentTable(String parentTable) {
        this.parentTable = parentTable;
    }

    public Object getId() throws TranslatorException {
        if (this.id == null) {
            return null;
        }
        if (this.id.pk.keySet().size() != this.columns.size()) {
            throw new TranslatorException(MongoDBPlugin.Util.gs(MongoDBPlugin.Event.TEIID18014));
        }
        return this.id.getValue();
    }

    public void setId(String column, Object value) {
        if (this.id == null) {
            this.id = new IDRef();
        }
        this.id.addColumn(column, value);
    }

    public List<String> getReferenceColumns() {
        return this.referenceColumns;
    }

    public void setReferenceColumns(List<String> columns) {
        this.referenceColumns = new ArrayList<String>(columns);
    }

    public String getEmbeddedTable() {
        return this.embeddedTable;
    }

    public void setEmbeddedTable(String embeddedTable) {
        this.embeddedTable = embeddedTable;
    }

    public Association getAssociation() {
        return this.association;
    }

    public void setAssociation(Association association) {
        this.association = association;
    }

    public List<String> getColumns() {
        return this.columns;
    }

    public void setColumns(List<String> columns) {
        this.columns = new ArrayList<String>(columns);
    }

    public String getIdReference() {
        return this.idReference;
    }

    public void setIdReference(String idReference) {
        this.idReference = idReference;
    }

    public boolean isNested() {
        return nested;
    }

    public void setNested(boolean nested) {
        this.nested = nested;
    }

    public String getParentColumnName(String columnName) {
        for (int i = 0; i < this.columns.size(); i++) {
            if (this.columns.get(i).equalsIgnoreCase(columnName)) {
                return this.referenceColumns.get(i);
            }
        }
        return null;
    }

    @Override
    public String toString() {
        StringBuilder sb = new StringBuilder();
        sb.append("ParentTable:").append(this.parentTable); //$NON-NLS-1$
        sb.append(" id:").append(this.id); //$NON-NLS-1$
        sb.append(" EmbeddedTable:").append(this.embeddedTable); //$NON-NLS-1$
        return sb.toString();
    }

    @Override
    public MergeDetails clone() {
        MergeDetails clone = new MergeDetails(this.document);
        clone.parentTable = this.parentTable;
        if (this.id != null) {
            clone.id = this.id.clone();
        }
        clone.referenceColumns = new ArrayList(this.referenceColumns);
        clone.columns = new ArrayList<String>(this.columns);
        clone.embeddedTable = this.embeddedTable;
        clone.association = this.association;
        clone.name = this.name;
        clone.idReference = this.idReference;
        clone.referenceName = this.referenceName;
        clone.alias = this.alias;
        clone.nested = this.nested;
        return clone;
    }
}