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/*
 * Copyright Red Hat, Inc. and/or its affiliates
 * and other contributors as indicated by the @author tags and
 * the COPYRIGHT.txt file distributed with this work.
 *
 * 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.teiid.query.parser;

import java.io.Serializable;

import org.teiid.core.util.PropertiesUtils;


public class ParseInfo implements Serializable{

	private static final long serialVersionUID = -7323683731955992888L;
    private static final boolean ANSI_QUOTED_DEFAULT = PropertiesUtils.getHierarchicalProperty("org.teiid.ansiQuotedIdentifiers", true, Boolean.class); //$NON-NLS-1$
    public static boolean REQUIRE_UNQUALIFIED_NAMES = PropertiesUtils.getHierarchicalProperty("org.teiid.requireUnqualifiedNames", true, Boolean.class); //$NON-NLS-1$

    public int referenceCount = 0;
    
    public static final ParseInfo DEFAULT_INSTANCE = new ParseInfo();
    static {
    	DEFAULT_INSTANCE.ansiQuotedIdentifiers = true;
    }

    // treat a double quoted variable as variable instead of string 
    public boolean ansiQuotedIdentifiers=ANSI_QUOTED_DEFAULT;
    boolean backslashDefaultMatchEscape=false;
    
	public ParseInfo() { }
	
	public boolean useAnsiQuotedIdentifiers() {
	    return ansiQuotedIdentifiers;
	}
	
	@Override
	public int hashCode() {
		return ansiQuotedIdentifiers?1:0;
	}
	
	@Override
	public boolean equals(Object obj) {
		if (obj == this) {
			return true;
		}
		if (!(obj instanceof ParseInfo)) {
			return false;
		}
		ParseInfo other = (ParseInfo)obj;
		return this.ansiQuotedIdentifiers == other.ansiQuotedIdentifiers
		        && this.backslashDefaultMatchEscape == other.backslashDefaultMatchEscape;
	}
	
	public boolean isBackslashDefaultMatchEscape() {
        return backslashDefaultMatchEscape;
    }
	
	public void setBackslashDefaultMatchEscape(
            boolean backslashDefaultMatchEscape) {
        this.backslashDefaultMatchEscape = backslashDefaultMatchEscape;
    }
}




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