com.avaje.ebeaninternal.server.expression.CaseInsensitiveEqualExpression Maven / Gradle / Ivy

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package com.avaje.ebeaninternal.server.expression;

import com.avaje.ebean.event.BeanQueryRequest;
import com.avaje.ebeaninternal.api.SpiExpressionRequest;
import com.avaje.ebeaninternal.api.SpiLuceneExpr;
import com.avaje.ebeaninternal.server.el.ElPropertyValue;
import com.avaje.ebeaninternal.server.query.LuceneResolvableRequest;


class CaseInsensitiveEqualExpression extends AbstractExpression implements LuceneAwareExpression {

	private static final long serialVersionUID = -6406036750998971064L;
	
	private final String value;
	
	CaseInsensitiveEqualExpression(FilterExprPath pathPrefix, String propertyName, String value) {
		super(pathPrefix, propertyName);
		this.value = value.toLowerCase();
	}
	    
    @Override
    public boolean isLuceneResolvable(LuceneResolvableRequest req) {
        return true;
    }

    public SpiLuceneExpr createLuceneExpr(SpiExpressionRequest request) {
        
        String propertyName = getPropertyName();
        return new CaseInsensitiveEqualExpressionLucene().createLuceneExpr(request, propertyName, value);
    }

	public void addBindValues(SpiExpressionRequest request) {
        
	    ElPropertyValue prop = getElProp(request);
        if (prop != null && prop.isDbEncrypted()) {
            // bind the key as well as the value
            String encryptKey = prop.getBeanProperty().getEncryptKey().getStringValue();
            request.addBindValue(encryptKey);
        }
          
        request.addBindValue(value);  
	}

	public void addSql(SpiExpressionRequest request) {
	    
        String propertyName = getPropertyName();
	    String pname = propertyName;
        
        ElPropertyValue prop = getElProp(request);
        if (prop != null && prop.isDbEncrypted()){
            pname = prop.getBeanProperty().getDecryptProperty(propertyName);
        }
        
		request.append("lower(").append(pname).append(") =? ");
	}

	public int queryAutoFetchHash() {
		int hc = CaseInsensitiveEqualExpression.class.getName().hashCode();
		hc = hc * 31 + propName.hashCode();
		return hc;
	}

	public int queryPlanHash(BeanQueryRequest request) {
		return queryAutoFetchHash();
	}
	
	public int queryBindHash() {
		return value.hashCode();
	}
}